F02DCONTROLLING COMBUSTION ENGINES vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed B60K31/00; conjoint control of vehicle sub-units of different type or different function, road vehicle drive control systems for purposes other than the control of a single sub-unit B60WIn this subclass, the following term or expression is used with the meanings indicated:"fuel injection" means the introduction of a combustible substance into a space, e.g. cylinder, by means of a pressure source, e.g. a pump, continuously or cyclically acting behind the substance;"supercharging" means supplying to the working space, e.g. cylinder, combustion-air pressurised by means of a pressure source, e.g. a pump. Attention is drawn to the Notes preceding class F01.In this subclass, electrical aspects of control arrangements are classified in groups F02D41/00 - F02D45/00.In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. F02D1/00Controlling, e.g. regulating, fuel injection F02D1/00Controlling fuel-injection pumps, e.g. of high pressure injection type F02D3/00 takes precedence - in this subclass the following indexing codes are used: F02D2700/0282 and F02D2700/10 F02D2001/0005Details, component parts or accessories of centrifugal governors F02D2001/001Arrangement of centrifugal weights F02D2001/0015the weights being cup-shaped and carrying governor springs F02D2001/002Arrangement of governor springs F02D2001/0025having at least two springs, one of them being idling spring F02D2001/003the main spring being active at maximum speed only F02D2001/0035the main spring being active at all speeds, e.g. its tension varying with the load, i.e. the position of pump control F02D2001/004Arrangement of linkages between governor sleeve and pump control F02D2001/0045Arrangement of means for influencing governor characteristics by operator F02D2001/005varying main spring tension F02D2001/0055varying pivotal point of linkages between governor sleeve and pump control F02D2001/006Assembling; Disassembling; Replacing F02D2001/0065Selection of particular materials F02D2001/007Means for adjusting stops for minimum and maximum fuel delivery F02D2001/0075using engine temperature, e.g. to adjust the idling speed at cold start F02D2001/008using intake air pressure, e.g. adjusting full load stop at high supercharging pressures F02D2001/0085Arrangements using fuel pressure for controlling fuel delivery in quantity or timing F02D2001/009Means for varying the pressure of fuel supply pump according to engine working parameters F02D2001/0095Mounting of control means with respect to injection apparatus or the engine F02D1/02not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered F02D1/025by means dependent on engine working temperature F02D1/08 takes precedence F02D1/04by mechanical means dependent on engine speed, e.g. using centrifugal governors F02D1/08 takes precedence F02D1/045characterised by arrangement of springs or weights F02D1/06by means dependent on pressure of engine working fluid F02D1/08 takes precedence F02D1/065of intake of air F02D1/08Transmission of control impulse to pump control, e.g. with power drive or power assistance F02D2001/082electric F02D2001/085using solenoids F02D2001/087using step motors F02D1/10mechanical F02D1/12non-mechanical, e.g. hydraulic F02D1/122control impulse depending only on engine speed F02D1/125using a centrifugal governor F02D1/127using the pressure developed in a pump F02D1/14pneumatic F02D1/16Adjustment of injection timing F02D1/02 takes precedence F02D1/162by mechanical means dependent on engine speed for angular adjustment of driving and driven shafts F02D2001/165by means dependent on engine load F02D2001/167by means dependent on engine working temperature, e.g. at cold start F02D1/18with non-mechanical means for transmitting control impulsewith amplification of control impulse F02D1/183hydraulic F02D2001/186using a pressure-actuated piston for adjustment of a stationary cam or roller support F02D3/00Controlling low-pressure fuel injection, i.e. where the fuel-air mixture containing fuel thus injected will be substantially compressed by the compression stroke of the engine, by means other than controlling only an injection pump When the control apparatus or system forms part of the low-pressure fuel-injection apparatus it is classified in group F02M69/00. F02D3/02with continuous injection or continuous flow upstream of the injection nozzle F02D3/04Controlling fuel-injection and carburation, e.g. of alternative systems F02D7/00Other fuel-injection control F02D7/002Throttling of fuel passages between pumps and injectors or overflow passages low-pressure fuel injection F02M69/00 F02D7/005by mechanical means, e.g. using a centrifugal governor F02D7/007by fluid actuated means, e.g. slide valves F02D7/02Controlling fuel injection where fuel is injected by compressed air F02D2007/025Controlling compressed air quantity or pressureaccelerator lever means a lever actuated by foot or hand (e.g. pedal). throttle lever means a lever connected to the accelerator lever via a force transmitting element (e.g. cable, link) and mounted on the throttle axis. F02D9/00Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits - in this group the following indexing codes are used: F02D2700/00, F02D2700/02, F02D2700/04,
F02D2700/09 F02D9/02concerning induction conduits throttle valves, or arrangements thereof in conduits F02D9/08 F02D2009/0201Arrangements; Control features; Details thereof F02D2009/0203Mechanical governor F02D2009/0205working on the throttle valve and another valve, e.g. choke F02D2009/0206specially positioned with relation to engine or engine housing F02D2009/0208for small engines F02D2009/021combined with an electromechanical governor, e.g. centrifuged governor and electric governor acting on the governor lever F02D2009/0211combined with another mechanical or pneumatic governor F02D2009/0213Electronic or electric governor F02D2009/0215Pneumatic governor F02D2009/0216of the air-vane type F02D2009/0218Details of governor springs F02D2009/022Throttle control function parameters F02D2009/0222Exhaust gas temperature F02D2009/0223Cooling water temperature F02D2009/0225Intake air or mixture temperature F02D2009/0227Atmospheric pressure F02D2009/0228Manifold pressure F02D2009/023Engine speed F02D2009/0232Fuel pump rack position F02D2009/0233Engine vibration F02D2009/0235Throttle control functions F02D2009/0237Increasing combustion chamber gas temperature F02D2009/0238Increasing ignition delay F02D2009/024Increasing intake vacuum F02D2009/0242Increasing exhaust brake effect F02D2009/0244Choking air flow at low speed and load F02D2009/0245Shutting down engine, e.g. working together with fuel cut-off F02D2009/0247Opening the throttle a little on engine shutdown F02D2009/0249Starting engine, e.g. closing throttle in Diesel engine to reduce starting torque F02D2009/025Opening the throttle a little during starting F02D2009/0252Opening a special valve-controlled intake passage (by-pass) during starting F02D2009/0254Mechanical control linkage between accelerator lever and throttle valve F02D2009/0255with means for correcting throttle position, e.g. throttle cable of variable length F02D2009/0257having a pin and slob connection ("Leerweg") F02D2009/0259having a dashpot, e.g. working in the throttle opening and closing directions F02D2009/0261having a specially shaped transmission member, e.g. a cam, specially toothed gears, with a clutch F02D2009/0262having two or more levers on the throttle shaft F02D2009/0264in which movement is transmitted through a spring F02D2009/0266in which movement is transmitted through a vacuum motor F02D2009/0267for simultaneous action of a governor and an accelerator lever on the throttle F02D2009/0269Throttle closing springs; Acting of throttle closing springs on the throttle shaft F02D2009/0271with means for closing the throttle other than throttle closing springs F02D2009/0272Two or more throttles disposed in series F02D2009/0274one being controlled by pressure in intake conduit, e.g. for slowly opening the throttle as the other valve is suddenly opened F02D2009/0276Throttle and EGR-valve operated together F02D2009/0277Fail-safe mechanisms, e.g. with limp-home feature, to close throttle if actuator fails, or if control cable sticks or breaks F02D2009/0279Throttle valve control for intake system with two parallel air flow paths, each controlled by a throttle, e.g. a resilient flap disposed on a throttle F02D2009/0281with means for detecting malfunction of one throttle and actuating only the correctly working throttle F02D2009/0283Throttle in the form of an expander F02D2009/0284Throttle control device with means for signalling a certain throttle opening, e.g. by a steplike increase of throttle closing spring force F02D2009/0286Throttle control device with accelerator lever defining a stop for opening the throttle, e.g. the throttle itself being opened by air flow, a spring F02D2009/0288Throttle control device specially adapted for spark-assisted compression-ignition engine (Diesel engine) F02D2009/0289Throttle control device with means for establishing a variable resistance torque during throttle opening F02D2009/0291Throttle control device for throttle being disposed in a two-stroke engine transfer passage F02D2009/0293Throttle control device adapted to limit power development at low attitude F02D2009/0294Throttle control device with provisions for actuating electric or electronic sensors F02D2009/0296Throttle control device with stops for limiting throttle opening or closing beyond a certain position during certain periods of operation F02D2009/0298Throttle control device with holding devices, i.e. to hold throttle in a predetermined position F02D9/04concerning exhaust conduits throttle valves, or arrangements thereof in conduits F02D9/08 F02D9/06Exhaust brakes F02D9/08Throttle valves specially adapted thereforArrangements of such valves in conduits F02D9/10having pivotally-mounted flaps F02D9/1005Details of the flap F02D9/101Special flap shapes, ribs, bores or the like F02D9/1015Details of the edge of the flap, e.g. for lowering flow noise or improving flow sealing in closed flap position F02D9/102the flap having movable parts fixed onto it F02D9/1025the rotation axis of the flap being off-set from the flap center axis F02D9/103the rotation axis being located at an edge F02D9/1035Details of the valve housing F02D9/104Shaping of the flow path in the vicinity of the flap, e.g. having inserts in the housing F02D9/1045for sealing of the flow in closed flap position, e.g. the housing forming a valve seat F02D9/105having a throttle position sensor detection of actuation F02D11/106 F02D9/1055having a fluid by-pass F02D9/106Sealing of the valve shaft in the housing, e.g. details of the bearings F02D9/1065Mechanical control linkage between an actuator and the flap, e.g. including levers, gears, springs, clutches, limit stops of the like F02D9/107Manufacturing or mounting details F02D9/1075Materials, e.g. composites F02D9/108Plastics F02D9/1085Non-organic materials, e.g. metals, alloys, ceramics F02D9/109having two or more flaps F02D9/1095Rotating on a common axis, e.g. having a common shaft F02D9/12having slidably-mounted valve membershaving valve members movable longitudinally of conduit F02D9/14the members being slidable transversely of conduit F02D9/16the members being rotatable F02D9/18having elastic-wall valve members F02D11/00Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated specially for reversing F02D27/00 F02D11/02characterised by hand, foot, or like operator controlled initiation means F02D11/04characterised by mechanical control linkages F02D11/06 takes precedence F02D11/06characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance F02D11/08of the pneumatic type F02D11/10of the electric type F02D2011/101characterised by the means for actuating the throttles F02D2011/102at least one throttle being moved only by an electric actuator F02D2011/103at least one throttle being alternatively mechanically linked to the pedal or moved by an electric actuator F02D2011/104using electric step motors F02D11/105characterised by the function converting demand to actuation, e.g. a map indicating relations between an accelerator pedal position and throttle valve opening or target engine torque F02D11/106Detection of demand or actuation F02D11/107Safety-related aspects F02D2011/108with means for detecting or resolving a stuck throttle, e.g. when being frozen in a position F02D13/00Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing F02D2013/005of throttleless spark ignited engines F02D13/02during engine operation F02D13/0203Variable control of intake and exhaust valves F02D13/0207changing valve lift or valve lift and timing F02D13/0211the change of valve timing is caused by the change in valve lift, i.e. both valve lift and timing are functionally related F02D13/0215changing the valve timing only F02D13/0219by shifting the phase, i.e. the opening periods of the valves are constant F02D13/0223Variable control of the intake valves only F02D13/0226changing valve lift or valve lift and timing F02D13/023the change of valve timing is caused by the change in valve lift, i.e. both valve lift and timing are functionally related F02D13/0234changing the valve timing only F02D13/0238by shifting the phase, i.e. the opening periods of the valves are constant F02D13/0242Variable control of the exhaust valves only F02D13/0246changing valve lift or valve lift and timing F02D13/0249changing the valve timing only F02D13/0253Fully variable control of valve lift and timing using camless actuation systems such as hydraulic, pneumatic or electromagnetic actuators, e.g. solenoid valves F02D13/0257Independent control of two or more intake or exhaust valves respectively, i.e. one of two intake valves remains closed or is opened partially while the other is fully opened F02D13/0261Controlling the valve overlap F02D13/0265Negative valve overlap for temporarily storing residual gas in the cylinder F02D13/0269Controlling the valves to perform a Miller-Atkinson cycle F02D13/0273Multiple actuations of a valve within an engine cycle F02D13/0276Actuation of an additional valve for a special application, e.g. for decompression, exhaust gas recirculation or cylinder scavenging F02D13/028for two-stroke engines F02D13/0284Variable control of exhaust valves only F02D2013/0288for cleaning the valves F02D2013/0292in the start-up phase, e.g. for warming-up cold engine or catalyst F02D2013/0296Changing the valve lift only F02D13/04using engine as brake F02D13/06Cutting-out cylinders F02D13/08for rendering engine inoperative or idling F02D15/00Varying compression ratio - in this group the following indexing codes are used: F02D2700/03 F02D15/02by alteration or displacement of piston stroke F02D15/04by alteration of volume of compression space without changing piston stroke F02D17/00Controlling engines by cutting out individual cylindersRendering engines inoperative or idling controlling or rendering inoperative by varying inlet or exhaust valve operating characteristics F02D13/00 - in this group the following indexing codes are used: F02D2700/05 F02D17/02Cutting-out cutting-out engines in multiple engine arrangements F02D25/04 F02D17/023the inactive cylinders acting as compressor other than for pumping air into the exhaust system F02D17/026delivering compressed fluid, e.g. air, reformed gas, to the active cylinders other than during starting F02D17/04rendering engines inoperative or idling, e.g. caused by abnormal conditions dependent on lubricating conditions F01M1/22; dependent on cooling F01P5/14 F02D19/00Controlling peculiar to specified types or adaptations of engines F02D19/00Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures the non-fuel substances being gaseous F02D21/00 F02D19/02peculiar to engines working with gaseous fuels F02D19/021Control of components of the fuel supply system F02D19/022to adjust the fuel pressure, temperature or composition F02D19/023to adjust the fuel mass or volume flow F02D19/024by controlling fuel injectors F02D19/025Failure diagnosis or prevention; Safety measures; Testing F02D19/026Measuring or estimating parameters related to the fuel supply system F02D19/027Determining the fuel pressure, temperature or volume flow, the fuel tank fill level or a valve position F02D19/028by estimation, i.e. without using direct measured parameter of a corresponding sensor F02D19/029Determining density, viscosity, concentration or composition F02D19/04peculiar to engines working with solid fuels, e.g. pulverised coal F02D19/06peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed F02D19/0602Control of components of the fuel supply system F02D19/0605to adjust the fuel pressure or temperature F02D19/0607to adjust the fuel mass or volume flow F02D19/061by controlling fuel injectors F02D19/0613Switch-over from one fuel to another F02D19/081 takes precedence F02D19/0615being initiated by automatic means, e.g. based on engine or vehicle operating conditions F02D19/0618depending on the engine's or vehicle's position, e.g. on/off road or proximity to a harbor F02D19/0621Purging of the fuel system F02D19/0623Failure diagnosis or prevention; Safety measures; Testing F02D19/0626Measuring or estimating parameters related to the fuel supply system F02D19/0628Determining the fuel pressure, temperature or flow, the fuel tank fill level or a valve position F02D19/0631by estimation, i.e. without using direct measurements of a corresponding sensor F02D19/0634Determining a density, viscosity, composition or concentration F02D19/087 takes precedence F02D19/0636by estimation, i.e. without using direct measurements of a corresponding sensor F02D19/0639characterised by the type of fuels F02D19/0642at least one fuel being gaseous, the other fuels being gaseous or liquid at standard conditions F02D19/0644the gaseous fuel being hydrogen, ammonia or carbon monoxide F02D19/0647the gaseous fuel being liquefied petroleum gas [LPG], liquefied natural gas [LNG], compressed natural gas [CNG] or dimethyl ether [DME] F02D19/0649Liquid fuels having different boiling temperatures, volatilities, densities, viscosities, cetane or octane numbers F02D19/0652Biofuels, e.g. plant oils F02D19/0655at least one fuel being an alcohol, e.g. ethanol F02D19/084 takes precedence F02D19/0657Heavy or light fuel oils; Fuels characterised by their impurities such as sulfur content or differences in grade, e.g. for ships F02D19/066Retrofit of secondary fuel supply systems; Conversion of engines to operate on multiple fuels F02D19/0663Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers F02D19/0665Tanks, e.g. multiple tanks F02D19/0668Treating or cleaning means; Fuel filters F02D19/0671Means to generate or modify a fuel, e.g. reformers, electrolytic cells or membranes F02D19/0673Valves; Pressure or flow regulators; Mixers F02D19/0676Multi-way valves; Switch-over valves F02D19/0678Pressure or flow regulators therefor; Fuel metering valves therefor F02D19/0681Shut-off valves; Check valves; Safety valves; Pressure relief valves F02D19/0684High pressure fuel injection systems; Details on pumps, rails or the arrangement of valves in the fuel supply and return systems F02D19/0686Injectors F02D19/0689for in-cylinder direct injection F02D19/0692Arrangement of multiple injectors per combustion chamber F02D19/0694operating with a plurality of fuels F02D19/0697Arrangement of fuel supply systems on engines or vehicle bodies; Components of the fuel supply system being combined with another device F02D19/08simultaneously using pluralities of fuels F02D19/12 takes precedence F02D19/081Adjusting the fuel composition or mixing ratio; Transitioning from one fuel to the other F02D19/082Premixed fuels, i.e. emulsions or blends F02D19/084Blends of gasoline and alcohols, e.g. E85 F02D19/085Control based on the fuel type or composition F02D19/087with determination of densities, viscosities, composition, concentration or mixture ratios of fuels F02D19/088by estimation, i.e. without using direct measurements of a corresponding sensor F02D19/10peculiar to compression-ignition engines in which the main fuel is gaseous F02D19/105operating in a special mode, e.g. in a liquid fuel only mode for starting F02D19/12peculiar to engines working with non-fuel substances or with anti-knock agents, e.g. with anti-knock fuel F02D21/00Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas F02D21/02peculiar to oxygen-fed engines F02D21/04with circulation of exhaust gases in closed or semi-closed circuits F02D21/06peculiar to engines having other non-fuel gas added to combustion air F02D21/08the other gas being the exhaust gas of engine F02D2021/083controlling exhaust gas recirculation electronically F02D2021/086the exhaust gas recirculation valve being controlled by fuel pressure, e.g. indirectly F02D21/10having secondary air added to the fuel-air mixture F02D23/00Controlling engines characterised by their being supercharged F02D23/005with the supercharger being mechanically driven by the engine supercharger drives F02B39/00 F02D23/02the engines being of fuel-injection type F02D25/00Controlling two or more co-operating engines F02D25/02to synchronise speed F02D25/04by cutting-out engines F02D27/00Controlling engines characterised by their being reversible F02D27/02by performing a programme F02D28/00Programme-control of engines F02D29/00Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto - in this group the following indexing codes are used: F02D2700/07 F02D29/02peculiar to engines driving vehiclespeculiar to engines driving variable pitch propellers F02D29/04peculiar to engines driving pumps F02D29/06peculiar to engines driving electric generators F02D31/00Other non-electrical control of combustion engines F02D31/00Use of speed-sensing governors to control combustion engines, not otherwise provided for F02D31/001Electric control of rotation speed F02D31/002controlling air supply F02D31/003for idle speed control F02D31/004by controlling a throttle stop F02D31/005by controlling a throttle by-pass F02D31/006for maximum speed control F02D31/007controlling fuel supply F02D31/008for idle speed control F02D31/009for maximum speed control F02D33/00Controlling delivery of fuel or combustion-air, not otherwise provided for using exhaust gas sensors F02D35/0023, F02D35/0046 F02D33/003Controlling the feeding of liquid fuel from storage containers to carburettors or fuel-injection apparatus control of electrical fuel pumps F02D41/3082, controlling fuel flow to a common rail F02D41/3845; Failure or leakage prevention; Diagnosis or detection of failure; Arrangement of sensors in the fuel system; Electric wiring; Electrostatic discharge F02D33/006depending on engine operating conditions, e.g. start, stop or ambient conditions F02D33/02of combustion-air F02D35/00Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for F02D35/0007using electrical feedback F02D35/0015 takes precedence Attention is drawn to the note preceding F02D41/00. F02D35/0015using exhaust gas sensors F02D41/14 takes precedence F02D35/0023Controlling air supply F02D35/003by means of by-pass passages F02D35/0038by means of air pumps F02D35/0046Controlling fuel supply F02D35/0053by means of a carburettor F02D35/0061Controlling the emulsifying air only F02D35/0076, F02D35/0084 take precedence F02D35/0069Controlling the fuel flow only F02D35/0076, F02D35/0084 take precedence F02D35/0076using variable venturi carburettors F02D35/0084using two barrel carburettors F02D35/0092by means of fuel injection F02D35/02on interior conditions F02D35/021using an ionic current sensor F02D35/022using an optical sensor, e.g. in-cylinder light probe F02D35/023by determining the cylinder pressure F02D35/024using an estimation F02D35/025by determining temperatures inside the cylinder, e.g. combustion temperatures F02D35/026using an estimation F02D35/027using knock sensors F02D35/028by determining the combustion timing or phasing F02D37/00Non-electrical conjoint control of two or more functions of engines, not otherwise provided for F02D37/02one of the functions being ignition F02D39/00Other non-electrical control F02D39/02for four-stroke engines F02D39/04for engines with other cycles than four-stroke, e.g. two-stroke F02D39/06for engines adding the fuel substantially at the end of compression stroke F02D39/08for engines adding the fuel substantially before compression stroke F02D39/10for free-piston enginesfor engines without rotary main shaft F02D41/00Electrical control of combustion engines Groups F02D41/00 - F02D45/00 cover electrical aspects of electrically controlled devices. Groups F02D41/00 - F02D45/00 do not cover non-electrical aspects of electrically controlled devices, which are covered by groups F02D1/00 - F02D39/00 or by subclass F02M;both electrical and non-electrical aspects of electrically controlled devices, which are covered by groups F02D1/00 - F02D39/00 or by subclass F02M F02D41/00Electrical control of supply of combustible mixture or its constituents F02D43/00 takes precedence ; control of engine starters F02N11/08, electrical control of engine ignition timing F02P5/145 F02D41/0002Controlling intake air F02D41/0005during deceleration F02D41/0007for control of turbo-charged or super-charged engines control of the pumps per se F02B37/12 F02D2041/001for engines with variable valve actuation F02D2041/0012with selective deactivation of cylinders F02D2041/0015for engines with means for controlling swirl or tumble flow, e.g. by using swirl valves F02D2041/0017by simultaneous control of throttle and exhaust gas recirculation F02D2041/002by simultaneous control of throttle and variable valve actuation F02D2041/0022for diesel engines by throttle control F02D41/0025Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures F02D41/0027the fuel being gaseous non-electrical control F02D19/02 F02D41/003Adding fuel vapours, e.g. drawn from engine fuel reservoir F02D41/0032Controlling the purging of the canister as a function of the engine operating conditions F02D41/0035to achieve a special effect, e.g. to warm up the catalyst F02D41/0037for diagnosing the engine diagnosis of purge control systems F02M25/0809 F02D41/004Control of the valve or purge actuator, e.g. duty cycle, closed loop control of position F02D41/0042Controlling the combustible mixture as a function of the canister purging, e.g. control of injected fuel to compensate for deviation of air fuel ratio when purging F02D41/0045Estimating, calculating or determining the purging rate, amount, flow or concentration F02D41/0047Controlling exhaust gas recirculation [EGR] temperature control with cooler in recirculation circuit F02M26/33 F02D41/005according to engine operating conditions F02D41/0052Feedback control of engine parameters, e.g. for control of air/fuel ratio or intake air amount F02D41/0055Special engine operating conditions, e.g. for regeneration of exhaust gas treatment apparatus F02D41/0057Specific combustion modes combustion modes per se F02D41/3017 F02D41/006using internal EGR control of valve overlap for internal EGR F02D13/0261; arrangements for internal EGR F02M26/01 F02D41/0062Estimating, calculating or determining the internal EGR rate, amount or flow F02D41/0065Specific aspects of external EGR control constructional details of EGR system F02M26/00 F02D2041/0067Determining the EGR temperature F02D2041/007by estimation F02D41/0072Estimating, calculating or determining the EGR rate, amount or flow sensors in EGR systems F02M26/45 F02D2041/0075by using flow sensors F02D41/0077Control of the EGR valve or actuator, e.g. duty cycle, closed loop control of position EGR valve position sensor F02M26/48 F02D41/008Controlling each cylinder individually F02D41/0082per groups or banks F02D41/0087 takes precedence F02D41/0085Balancing of cylinder outputs, e.g. speed, torque or air-fuel ratio F02D41/0087Selective cylinder activation, i.e. partial cylinder operation deceleration cut-off F02D41/123 F02D41/009using means for generating position or synchronisation signals F02D2041/0092Synchronisation of the cylinders at engine start F02D2041/0095Synchronisation of the cylinders during engine shutdown F02D41/0097using means for generating speed signals F02D41/02Circuit arrangements for generating control signals F02D41/0205using an auxiliary engine speed control engine speed control per se F02D31/00 F02D41/021Introducing corrections for particular conditions exterior to the engine conjoint control of vehicle sub-units for propelling the vehicle B60W30/18 F02D41/0215in relation with elements of the transmission F02D41/022in relation with the clutch status F02D41/0225in relation with the gear ratio or shift lever position F02D41/023in relation with the gear ratio shifting conjoint control for improving gear change B60W30/19 F02D41/0235in relation with the state of the exhaust gas treating apparatus control of exhaust gas treating apparatus per se F01N F02D41/024to increase temperature of the exhaust gas treating apparatus F02D41/0245by increasing temperature of the exhaust gas leaving the engine F02D41/025by changing the composition of the exhaust gas, e.g. for exothermic reaction on exhaust gas treating apparatus F02D41/0255to accelerate the warming-up of the exhaust gas treating apparatus at engine start F02D2041/026using an external load, e.g. by increasing generator load or by changing the gear ratio F02D2041/0265to decrease temperature of the exhaust gas treating apparatus F02D41/027to purge or regenerate the exhaust gas treating apparatus F02D41/0275the exhaust gas treating apparatus being a NOx trap or adsorbent F02D41/028Desulfurisation of NOx traps or adsorbent F02D41/0285the exhaust gas treating apparatus being a SOx trap or adsorbent F02D41/029the exhaust gas treating apparatus being a particulate filter F02D41/0295Control according to the amount of oxygen that is stored on the exhaust gas treating apparatus F02D41/04Introducing corrections for particular operating conditions F02D41/14 takes precedence F02D41/042for stopping the engine F02D41/045Detection of accelerating or decelerating state detection thereof in general G01P F02D41/047Taking into account fuel evaporation or wall wetting; special correction after fuel cut-off F02D41/126 F02D41/06for engine starting or warming up F02D41/0255 takes precedence F02D41/061the corrections being time dependent F02D41/062for starting F02D41/061 takes precedence F02D41/064at cold start F02D41/067 takes precedence F02D41/065at hot start or restart F02D41/067 takes precedence F02D41/067with control of the choke non electronic control of choke see F02M1/10 F02D41/068for warming-up F02D41/08for idling F02D41/06, F02D41/16 take precedence F02D41/083taking into account engine load variation, e.g. air-conditionning F02D41/086taking into account the temperature of the engine F02D41/10for acceleration F02D41/102Switching from sequential injection to simultaneous injection F02D41/105using asynchronous injection F02D41/107and deceleration F02D41/12for deceleration F02D41/0005, F02D41/107 take precedence F02D41/123the fuel injection being cut-off F02D41/126transitional corrections at the end of the cut-off period F02D41/14Introducing closed-loop corrections F02D41/1401characterised by the control or regulation method F02D41/1473, F02D41/1477 take precedence F02D41/1402Adaptive control F02D41/1403Sliding mode control F02D41/1404Fuzzy logic control F02D41/1405Neural network control F02D41/1406with use of a optimisation method, e.g. iteration F02D41/1408Dithering techniques F02D2041/1409using at least a proportional, integral or derivative controller F02D2041/141using a feed-forward control element F02D2041/1411using a finite or infinite state machine, automaton or state graph for controlling or modelling F02D2041/1412using a predictive controller F02D2041/1413Controller structures or design F02D2041/1415using a state feedback or a state space representation F02D2041/1416Observer F02D2041/1417Kalman filter F02D2041/1418Several control loops, either as alternatives or simultaneous F02D2041/1419the control loops being cascaded, i.e. being placed in series or nested F02D2041/142using different types of control law in combination, e.g. adaptive combined with PID and sliding mode F02D2041/1422Variable gain or coefficients F02D2041/1423Identification of model or controller parameters F02D2041/1424Pole-zero cancellation F02D2041/1425using a bond graph model or models with nodes F02D2041/1426taking into account control stability F02D2041/1427Decoupling, i.e. using a feedback such that one output is controlled by only one input F02D2041/1429Linearisation, i.e. using a feedback law such that the system evolves as a linear one F02D2041/143the control loop including a non-linear model or compensator F02D2041/1431the system including an input-output delay F02D2041/1432the system including a filter, e.g. a low pass or high pass filter F02D2041/1433using a model or simulation of the system F02D2041/1434Inverse model F02D2041/1436Hybrid model F02D2041/1437Simulation F02D41/1438using means for determining characteristics of the combustion gases; Sensors therefor F02D41/1439characterised by the position of the sensor F02D41/144Sensor in intake manifold F02D41/1441Plural sensors F02D41/1443with one sensor per cylinder or group of cylinders F02D41/1444characterised by the characteristics of the combustion gases F02D41/1445the characteristics being related to the exhaust flow F02D41/1446the characteristics being exhaust temperatures F02D41/1447with determination means using an estimation F02D41/1448the characteristics being an exhaust gas pressure F02D41/145with determination means using an estimation F02D41/1451the sensor being an optical sensor F02D41/1452the characteristics being a COx content or concentration F02D41/1453the characteristics being a CO content or concentration F02D41/1454the characteristics being an oxygen content or concentration or the air-fuel ratio F02D41/1455with sensor resistivity varying with oxygen concentration F02D41/1456 takes precedence F02D41/1456with sensor output signal being linear or quasi-linear with the concentration of oxygen F02D41/1458with determination means using an estimation F02D41/1459the characteristics being a hydrocarbon content or concentration F02D41/146the characteristics being an NOx content or concentration F02D41/1461of the exhaust gases emitted by the engine F02D41/1462with determination means using an estimation F02D41/1463of the exhaust gases downstream of exhaust gas treatment apparatus F02D41/1465with determination means using an estimation F02D41/1466the characteristics being a soot concentration or content F02D41/1467with determination means using an estimation F02D2041/1468the characteristics being an ammonia content or concentration of the exhaust gases F02D2041/1469with determination means using an estimation F02D2041/147the characteristics being a hydrogen content or concentration of the exhaust gases F02D2041/1472the characteristics being a humidity or water content of the exhaust gases F02D41/1473characterised by the regulation method F02D41/1474by detecting the commutation time of the sensor F02D41/1475Regulating the air fuel ratio at a value other than stoichiometry F02D41/1476Biasing of the sensor F02D41/1477characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output) F02D41/1479Using a comparator with variable reference F02D41/148Using a plurality of comparators F02D41/1481Using a delaying circuit F02D41/1482Integrator, i.e. variable slope F02D41/1483Proportional component F02D41/1484Output circuit F02D41/1486with correction for particular operating conditions F02D41/1487Correcting the instantaneous control value F02D41/1488Inhibiting the regulation F02D41/1489Replacing of the control value by a constant F02D41/149Replacing of the control value by an other parameter F02D41/1491Replacing of the control value by a mean value F02D41/1493Details F02D41/1494Control of sensor heater F02D41/1495Detection of abnormalities in the air/fuel ratio feedback system F02D41/1496Measurement of the conductivity of a sensor F02D41/1455 takes precedence F02D41/1497With detection of the mechanical response of the engine F02D41/1498measuring engine roughness F02D41/16for idling F02D41/18by measuring intake air flow F02D41/182for the control of a fuel injection device F02D41/185using a vortex flow sensor F02D41/187using a hot wire flow sensor F02D41/20Output circuits, e.g. for controlling currents in command coils F02D2041/2003using means for creating a boost voltage, i.e. generation or use of a voltage higher than the battery voltage, e.g. to speed up injector opening F02D2041/2006by using a boost capacitor F02D2041/201by using a boost inductance F02D2041/2013by using a boost voltage source F02D2041/2017using means for creating a boost current or using reference switching F02D2041/202characterised by the control of the circuit F02D2041/2024the control switching a load after time-on and time-off pulses F02D2041/2027Control of the current by pulse width modulation or duty cycle control F02D2041/2031Control of the current by means of delays or monostable multivibrators F02D2041/2034Control of the current gradient F02D2041/2037for preventing bouncing of the valve needle F02D2041/2041for controlling the current in the free-wheeling phase F02D2041/2044using pre-magnetisation or post-magnetisation of the coils F02D2041/2048said control involving a limitation, e.g. applying current or voltage limits F02D2041/2051using voltage control F02D2041/2055with means for determining actual opening or closing time F02D2041/2058using information of the actual current value F02D2041/2062the current value is determined by simulation or estimation F02D2041/2065the control being related to the coil temperature F02D2041/2068characterised by the circuit design or special circuit elements F02D2041/2072Bridge circuits, i.e. the load being placed in the diagonal of a bridge to be controlled in both directions F02D2041/2075Type of transistors or particular use thereof F02D2041/2079the circuit having several coils acting on the same anchor F02D2041/2082the circuit being adapted to distribute current between different actuators or recuperate energy from actuators F02D2041/2086with means for detecting circuit failures F02D2041/2089detecting open circuits F02D2041/2093detecting short circuits F02D41/2096for controlling piezo-electric injectors drive and control circuit for piezo-electric devices in general H10N30/802 F02D41/22Safety or indicating devices for abnormal conditions in air/fuel ratio feedback systems F02D41/1495, in electric control linkage F02D11/107, in purge control systems F02M25/0809 F02D41/221relating to the failure of actuators or electrically driven elements F02D41/222relating to the failure of sensors or parameter detection devices F02D2041/223Diagnosis of fuel pressure sensors F02D2041/224Diagnosis of the fuel system F02D2041/225Leakage detection F02D2041/226Fail safe control for fuel injection pump F02D2041/227Limping Home, i.e. taking specific engine control measures at abnormal conditions F02D2041/228Warning displays F02D41/24characterised by the use of digital means F02D41/2403using essentially up/down counters F02D41/2406using essentially read only memories F02D41/2409Addressing techniques specially adapted therefor F02D41/2412One-parameter addressing technique F02D41/2416Interpolation techniques F02D41/2419Non-linear variation along at least one coordinate F02D41/2422Selective use of one or more tables F02D41/2425Particular ways of programming the data F02D41/2429Methods of calibrating or learning F02D41/2432Methods of calibration F02D41/2435characterised by the writing medium, e.g. bar code F02D41/2438Active learning methods F02D41/2441characterised by the learning conditions F02D41/2445characterised by a plurality of learning conditions or ranges F02D41/2448Prohibition of learning F02D41/2451characterised by what is learned or calibrated F02D41/2454Learning of the air-fuel ratio control F02D41/2458with an additional dither signal F02D41/2461by learning a value and then controlling another value F02D41/2464Characteristics of actuators F02D41/2467for injectors F02D41/247Behaviour for small quantities F02D41/2474Characteristics of sensors F02D41/2477characterised by the method used for learning F02D41/248using a plurality of learned values F02D41/2483restricting learned values F02D41/2487Methods for rewriting F02D41/249Methods for preventing the loss of data F02D41/2493Resetting of data to a predefined set of values F02D41/2496the memory being part of a closed loop F02D41/26using computer, e.g. microprocessor F02D41/263the program execution being modifiable by physical parameters F02D41/266the computer being backed-up or assisted by another circuit, e.g. analogue F02D41/28Interface circuits F02D2041/281between sensors and control unit F02D2041/283the sensor directly giving at least one digital reading F02D2041/285the sensor having a signal processing unit external to the engine control unit F02D2041/286comprising means for signal processing F02D2041/288for performing a transformation into the frequency domain, e.g. Fourier transformation F02D41/30Controlling fuel injection F02D41/182, F02D41/24 take precedence F02D41/3005Details not otherwise provided for F02D41/3011according to or using specific or several modes of combustion F02D41/3017characterised by the mode(s) being used F02D41/3023a mode being the stratified charge spark-ignited mode F02D41/3029further comprising a homogeneous charge spark-ignited mode F02D41/3035a mode being the premixed charge compression-ignition mode F02D41/3041with means for triggering compression ignition, e.g. spark plug F02D41/3047said means being a secondary injection of fuel F02D2041/3052the mode being the stratified charge compression-ignition mode F02D41/3058the engine working with a variable number of cycles F02D41/3064with special control during transition between modes F02D41/307to avoid torque shocks F02D41/3076with special conditions for selecting a mode of combustion, e.g. for starting, for diagnosing F02D41/3082Control of electrical fuel pumps F02D2041/3088for air assisted injectors F02D41/3094the fuel injection being effected by at least two different injectors, e.g. one in the intake manifold and one in the cylinder F02D41/32of the low pressure type F02D41/3082 takes precedence F02D41/34with means for controlling injection timing or duration F02D41/345Controlling injection timing F02D41/365 takes precedence F02D41/36with means for controlling distribution F02D41/365with means for controlling timing and distribution F02D41/38of the high pressure type F02D41/3809Common rail control systems common rail apparatus F02M55/025, F02M63/0225 F02D41/3818for petrol engines F02D41/3827for diesel engines F02D41/3836Controlling the fuel pressure F02D41/3845by controlling the flow into the common rail, e.g. the amount of fuel pumped F02D41/3854with elements in the low pressure part, e.g. low pressure pump F02D41/3863by controlling the flow out of the common rail, e.g. using pressure relief valves F02D41/3872characterised by leakage flow in injectors F02D2041/3881with multiple common rails, e.g. one rail per cylinder bank, or a high pressure rail and a low pressure rail F02D2041/389for injecting directly into the cylinder F02D41/40with means for controlling injection timing or duration F02D41/401Controlling injection timing F02D41/402 takes precedence F02D41/402Multiple injections F02D41/403with pilot injections F02D41/405with post injections F02D41/406Electrically controlling a diesel injection pump F02D41/401 takes precedence F02D41/407of the in-line type F02D41/408of the distributing type F02D43/00Conjoint electrical control of two or more functions, e.g. ignition, fuel-air mixture, recirculation, supercharging or exhaust-gas treatment F02D43/02using only analogue means F02D43/04using only digital means F02D45/00Electrical control not provided for in groups F02D41/00 - F02D43/00 F02D2200/00 F02D2200/00Input parameters for engine control F02D2200/02the parameters being related to the engine F02D2200/021Engine temperature F02D2200/022Estimation of engine temperature F02D2200/023Temperature of lubricating oil or working fluid F02D2200/024Fluid pressure of lubricating oil or working fluid F02D2200/025Engine noise, e.g. determined by using an acoustic sensor F02D2200/04Engine intake system parameters F02D2200/0402the parameter being determined by using a model of the engine intake or its components F02D2200/0404Throttle position F02D2200/0406Intake manifold pressure F02D2200/0408Estimation of intake manifold pressure F02D2200/0411Volumetric efficiency F02D2200/0414Air temperature F02D2200/0416Estimation of air temperature F02D2200/0418Air humidity F02D2200/06Fuel or fuel supply system parameters F02D2200/0602Fuel pressure F02D2200/0604Estimation of fuel pressure F02D2200/0606Fuel temperature F02D2200/0608Estimation of fuel temperature F02D2200/0611Fuel type, fuel composition or fuel quality F02D2200/0612determined by estimation F02D2200/0614Actual fuel mass or fuel injection amount F02D2200/0616determined by estimation F02D2200/0618Actual fuel injection timing or delay, e.g. determined from fuel pressure drop F02D2200/0625Fuel consumption, e.g. measured in fuel liters per 100 kms or miles per gallon F02D2200/063Lift of the valve needle F02D2200/08Exhaust gas treatment apparatus parameters F02D2200/0802Temperature of the exhaust gas treatment apparatus F02D2200/0804Estimation of the temperature of the exhaust gas treatment apparatus F02D2200/0806NOx storage amount, i.e. amount of NOx stored on NOx trap F02D2200/0808NOx storage capacity, i.e. maximum amount of NOx that can be stored on NOx trap F02D2200/0811NOx storage efficiency F02D2200/0812Particle filter loading F02D2200/0814Oxygen storage amount F02D2200/0816Oxygen storage capacity F02D2200/0818SOx storage amount, e.g. for SOx trap or NOx trap F02D2200/10Parameters related to the engine output, e.g. engine torque or engine speed F02D2200/1002Output torque F02D2200/1004Estimation of the output torque F02D2200/1006Engine torque losses, e.g. friction or pumping losses or losses caused by external loads of accessories F02D2200/101Engine speed F02D2200/1012Engine speed gradient F02D2200/1015Engines misfires F02D2200/50said parameters being related to the vehicle or its components F02D2200/501Vehicle speed F02D2200/502Neutral gear position F02D2200/503Battery correction, i.e. corrections as a function of the state of the battery, its output or its type F02D2200/60said parameters being related to the driver demands or status F02D2200/602Pedal position F02D2200/604Engine control mode selected by driver, e.g. to manually start particle filter regeneration or to select driving style F02D2200/606Driving style, e.g. sporty or economic driving F02D2200/70said parameters being related to the vehicle exterior F02D2200/701Information about vehicle position, e.g. from navigation system or GPS signal F02D2200/702Road conditions F02D2200/703Atmospheric pressure F02D2200/704Estimation of atmospheric pressure F02D2250/00Controlling, e.g. regulating, fuel injection peculiar to engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures F02D19/00; peculiar to supercharged engines F02D23/00; automatic controllers for prime movers, in general G05D F02D2250/00Engine control related to specific problems or objectives F02D2250/02Fuel evaporation in fuel rails, e.g. in common rails F02D2250/04Fuel pressure pulsation in common rails F02D2250/06Reverse rotation of engine F02D2250/08Engine blow-by from crankcase chamber F02D2250/11Oil dilution, i.e. prevention thereof or special controls according thereto F02D2250/12Timing of calculation, i.e. specific timing aspects when calculation or updating of engine parameter is performed F02D2250/14Timing of measurement, e.g. synchronisation of measurements to the engine cycle F02D2250/16End position calibration, i.e. calculation or measurement of actuator end positions, e.g. for throttle or its driving actuator F02D2250/18Control of the engine output torque F02D2250/21during a transition between engine operation modes or states F02D2250/22by keeping a torque reserve, i.e. with temporarily reduced drive train or engine efficiency F02D2250/24by using an external load, e.g. a generator F02D2250/26by applying a torque limit F02D2250/28Control for reducing torsional vibrations, e.g. at acceleration F02D2250/31Control of the fuel pressure F02D2250/32Air-fuel ratio control in a diesel engine F02D2250/34Control of exhaust back pressure, e.g. for turbocharged engines F02D2250/36Control for minimising NOx emissions F02D2250/38Control for minimising smoke emissions, e.g. by applying smoke limitations on the fuel injection amount F02D2250/41Control to generate negative pressure in the intake manifold, e.g. for fuel vapor purging or brake booster F02D2400/00Control systems adapted for specific engine typesSpecial features of engine control systems not otherwise provided forPower supply, connectors or cabling for engine control systems F02D2400/02Four-stroke combustion engines with electronic control F02D2400/04Two-stroke combustion engines with electronic control F02D2400/06Small engines with electronic control, e.g. for hand held tools F02D2400/08Redundant elements, e.g. two sensors for measuring the same parameter F02D2400/11After-sales modification devices designed to be used to modify an engine afterwards F02D2400/12Engine control specially adapted for a transmission comprising a torque converter or for continuously variable transmissions F02D2400/14Power supply for engine control systems F02D2400/16Adaptation of engine control systems to a different battery voltages, e.g. for using high voltage batteries F02D2400/18Packaging of the electronic circuit in a casing F02D2400/21Engine cover with integrated cabling F02D2400/22Connectors or cables specially adapted for engine management applications F02D2700/00Mechanical control of speed or power of a single cylinder piston engine F02D2700/02Controlling by changing the air or fuel supply F02D2700/0202for engines working with gaseous fuel, including those working with an ignition liquid F02D2700/0205Controlling the air supply as well as the fuel supply F02D2700/0207Controlling the air or mixture supply F02D2700/021Engines without compressor F02D2700/0212Engines with compressor F02D2700/0215Controlling the fuel supply F02D2700/0217for mixture compressing engines using liquid fuel F02D2700/022Controlling the air or the mixture supply as well as the fuel supply F02D2700/0223Engines with fuel injection F02D2700/0225Control of air or mixture supply F02D2700/0228Engines without compressor F02D2700/023by means of one throttle device F02D2700/0233depending on several parameters F02D2700/0235depending on the pressure of a gaseous or liquid medium F02D2700/0238depending on the number of revolutions of a centrifugal governor F02D2700/0241depending on another parameter F02D2700/0243by means of a plurality of throttle devices F02D2700/0246for engines with compressor F02D2700/0248by means of throttle devices F02D2700/0251in the intake conduit F02D2700/0253in the outlet conduit F02D2700/0256by changing the speed of the compressor F02D2700/0258by other means F02D2700/0261Control of the fuel supply F02D2700/0264for engines with a fuel jet working with depression F02D2700/0266for engines with fuel injection F02D2700/0269for air compressing engines with compression ignition F02D2700/0271Controlling the air supply as well as the fuel supply F02D2700/0274Controlling the air supply F02D2700/0276Engines without compressor F02D2700/0279Engines with compressor F02D2700/0282Control of fuel supply F02D2700/0284by acting on the fuel pump control element F02D2700/0287depending on several parameters F02D2700/0289depending on the pressure of a gaseous or liquid medium F02D2700/0292depending on the speed of a centrifugal governor F02D2700/0294depending on another parameter F02D2700/0297by control means in the fuel conduit between pump and injector F02D2700/03Controlling by changing the compression ratio F02D2700/035without modifying the volume of the compression space, e.g. by changing the valve timing F02D2700/04Controlling by throttling the exhaust conduit F02D2700/05Controlling by preventing combustion in one or more cylinders F02D2700/052Methods therefor F02D2700/054by keeping the exhaust valves open F02D2700/056by interrupting the medium supply F02D2700/058by another method F02D2700/07Automatic control systems according to one of the preceding groups in combination with control of the mechanism receiving the engine power F02D2700/09Other ways of controlling F02D2700/10Control of the timing of the fuel supply period with relation to the piston movement