B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOFBRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL electrodynamic brake systems for vehicle, in general B60L; brakes per se, i.e. devices where braking effect occurs, including ultimate brake actuators, F16DARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERALPORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLESVEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKESIn this subclass, the term "brake control systems" includes brake control systems for vehicles or of general applicabilityThe following IPC groups are not in the CPC scheme. The subject matter for these IPC groups is classified in the following CPC groups: B60T8/20 covered by B60T8/18B60T8/22 covered by B60T8/18B60T8/60 - B60T8/70 covered by B60T8/17B60T8/78 - B60T8/84 covered by B60T8/17B60T13/122 covered by B60T13/147, B60T13/167B60T13/125 covered by B60T13/141B60T13/128 covered by B60T13/145, B60T13/165B60T13/13 covered by B60T13/146, B60T13/166B60T13/132 covered by B60T13/143, B60T13/162B60T13/135 covered by B60T13/144, B60T13/163B60T13/138 covered by B60T13/148, B60T13/168B60T13/60 covered by B60T13/58B60T15/06 covered by B60T15/04B60T15/08 covered by B60T15/04In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. B60T1/00 B60T1/00Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles B60T1/005by locking of wheel or transmission rotation B60T1/02acting by retarding wheels B60T1/04acting directly on tread B60T1/06acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels B60T1/062acting on transmission parts B60T1/065employing disc B60T1/062 takes precedence B60T1/067employing drum B60T1/062 takes precedence B60T1/08using fluid or powdered medium B60T1/087in hydrodynamic, i.e. non-positive displacement, retarders B60T1/093in hydrostatic, i.e. positive displacement, retarders B60T1/10by utilising wheel movement for accumulating energy, e.g. driving air compressors using propulsion unit as braking means, see the relevant class B60T1/12acting otherwise than by retarding wheels, e.g. jet action B60T1/14directly on road portable devices, e.g. chocks B60T3/00 B60T1/16by increasing air resistance, e.g. flaps B60T3/00Portable devices for preventing unwanted movement of vehicles, e.g. chocks B60T5/00Vehicle modifications to facilitate cooling of brakes B60T7/00Brake control systems or parts thereof B60T7/00Brake-action initiating means B60T7/02for personal initiation B60T7/04foot actuated B60T7/042by electrical means, e.g. using travel or force sensors B60T7/045with locking and release means, e.g. providing parking brake application B60T7/047Hand-actuated release means B60T7/06Disposition of pedal B60T7/065with means to prevent injuries in case of collision for vehicle pedals in general by moving them from an operative to an out-of-the way position B60R21/09 B60T7/08hand actuated B60T7/085by electrical means, e.g. travel, force sensors B60T7/10Disposition of hand control B60T7/101by means of a pull rod B60T7/102by means of a tilting lever B60T7/104with a locking mechanism B60T7/105the lock being released by means of a push button B60T7/107with electrical power assistance B60T7/108with mechanisms to take up slack in the linkage to the brakes B60T7/12for automatic initiationfor initiation not subject to will of driver or passenger limiting speed of vehicles other than rail vehicles B60K31/00 B60T7/122for locking of reverse movement B60T7/124Brakes for railway vehicles coming into operation in case of accident, derailment or damage of rolling stock or superstructure self-acting brakes in general F16D59/00 B60T7/126Brakes for railway vehicles coming into operation in case of exceeding a predetermined speed self-acting brakes in general F16D59/00 B60T7/128Self-acting brakes of different types for railway vehicles B60T7/12 takes precedence; self-acting brakes in general F16D59/00 B60T7/14operated upon collapse of driver deadman's devices for electrically propelled vehicles B60L3/02 B60T7/16operated by remote control, i.e. initiating means not mounted on vehicle B60T7/18operated by wayside apparatus B60T7/20specially for trailers, e.g. in case of uncoupling of or overrunning by trailer inertia-actuated overrun brakes B60T13/08 B60T7/203with automatic brake release or reduction in case of reverse travel, e.g. by means of mechanisms mounted on the draw bar B60T7/206by means of mechanisms mounted on trailer drum brakes B60T7/22initiated by contact of vehicle, e.g. bumper, with an external object, e.g. another vehicle , or by means of contactless obstacle detectors mounted on the vehicle B60T8/00Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force by changing number of effective brake cylinders in power brake systems B60T17/10 B60T8/17Using electrical or electronic regulation means to control braking detecting or indicating faulty operation B60T8/885 B60T8/1701Braking or traction control means specially adapted for particular types of vehicles for vehicles having more than one drive axle B60T8/1769 B60T8/1703for aircrafts B60T8/1705for rail vehicles B60T8/1706for single-track vehicles, e.g. motorcycles B60T8/1708for lorries or tractor-trailer combinations B60T8/171Detecting parameters used in the regulationMeasuring values used in the regulation B60T8/172Determining control parameters used in the regulation, e.g. by calculations involving measured or detected parameters B60T8/17551 takes precedence B60T8/1725Using tyre sensors, e.g. Sidewall Torsion sensors [SWT] for tyre pressure and temperature detection B60C23/00 B60T8/173Eliminating or reducing the effect of unwanted signals, e.g. due to vibrations or electrical noise B60T8/174characterised by using special control logic, e.g. fuzzy logic , neural computing B60T8/175Brake regulation specially adapted to prevent excessive wheel spin during vehicle acceleration, e.g. for traction control safety devices for propulsion unit control responsive to, or preventing, skidding of wheels B60K28/16 B60T8/1755Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve road vehicle drive control systems for control of driving stability otherwise than by controlling a particular sub-unit B60W30/02 B60T8/17551determining control parameters related to vehicle stability used in the regulation, e.g. by calculations involving measured or detected parameters B60T8/17552responsive to the tire sideslip angle or the vehicle body slip angle B60T8/17554specially adapted for enhancing stability around the vehicles longitudinal axle, i.e. roll-over prevention road vehicle drive control systems for roll-over prevention otherwise than by controlling a particular sub-unit B60W30/04 B60T8/17555specially adapted for enhancing driver or passenger comfort, e.g. soft intervention or pre-actuation strategies B60T8/17557specially adapted for lane departure prevention road vehicle drive control systems for lane keeping otherwise than by controlling a particular sub-unit B60W30/12 B60T8/17558specially adapted for collision avoidance or collision mitigation road vehicle drive control systems for collision avoidance otherwise than by controlling a particular sub-unit B60W30/09 B60T8/176Brake regulation specially adapted to prevent excessive wheel slip during vehicle deceleration, e.g. ABS B60T8/1755 takes precedence B60T8/1761responsive to wheel or brake dynamics, e.g. wheel slip, wheel acceleration or rate of change of brake fluid pressure B60T8/17613based on analogue circuits or digital circuits comprised of discrete electronic elements B60T8/17616Microprocessor-based systems B60T8/1763responsive to the coefficient of friction between the wheels and the ground surface B60T8/1764 takes precedence B60T8/17633based on analogue circuits or digital circuits comprised of discrete electronic elements B60T8/17636Microprocessor-based systems B60T8/1764Regulation during travel on surface with different coefficients of friction, e.g. between left and right sides, mu-split or between front and rear B60T8/1766Proportioning of brake forces according to vehicle axle loads, e.g. front to rear of vehicle B60T8/1769specially adapted for vehicles having more than one driven axle, e.g. four-wheel drive vehicles B60T8/18responsive to vehicle weight or load, e.g. load distribution using electrical circuitry on regulation means B60T8/17; B60T8/30 takes precedence; responsive to weight and speed condition B60T8/58B60T8/1887 and B60T8/1893 take precedence over B60T8/1806 - B60T8/1881 B60T8/1806characterised by the calibration process or the means therefor B60T8/1812characterised by the means for pressure reduction B60T8/1818Lever mechanism B60T8/1825Means for changing the diaphragm area submitted to pressure B60T8/1831pressure reducing or limiting valves B60T8/1837characterised by the load-detecting arrangements B60T8/1843Arrangements for detecting air spring pressure B60T8/185Arrangements for detecting vehicle level B60T8/1856Arrangements for detecting suspension spring load B60T8/1843 takes precedence B60T8/1862comprising sensors of the type providing a fluid output signal representing the load on the vehicle suspension B60T8/1868comprising sensors of the type providing a mechanical output signal representing the load on the vehicle suspension B60T8/1875comprising sensors of the type providing an electrical output signal representing the load on the vehicle suspension B60T8/1881characterised by failure-responsive means B60T8/1887especially adapted for tractor-trailer combinations B60T8/1893especially adapted for railway vehicles B60T8/24responsive to vehicle inclination or change of direction, e.g. negotiating bends using electrical circuitry or regulation means B60T8/17 B60T8/241Lateral vehicle inclination B60T8/243for roll-over protection B60T8/245Longitudinal vehicle inclination B60T8/246Change of direction B60T8/248Trailer sway, e.g. for preventing jackknifing B60T8/26characterised by producing differential braking between front and rear wheels using electrical circuitry or regulation means B60T8/17 B60T8/261specially adapted for use in motorcycles B60T8/262using valves with stepped characteristics B60T8/261, B60T8/266 take precedence B60T8/263for pneumatic brake systems B60T8/265for hydraulic brake systems B60T8/266using valves or actuators with external control means B60T8/261 takes precedence B60T8/267for hybrid systems with different kind of brakes on different axles B60T8/268using the valves of an ABS, ASR or ESP system B60T8/28responsive to deceleration B60T8/261, B60T8/262, B60T8/266 take precedence B60T8/282using ball and ramp B60T8/285using horizontal moving mass B60T8/287using pendulums B60T8/30responsive to load B60T8/261, B60T8/262, B60T8/266 take precedence B60T8/303using pneumatic valves B60T8/306using hydraulic valves B60T8/32responsive to a speed condition, e.g. acceleration or deceleration using electrical circuitry or regulation means B60T8/17 ; B60T8/28 takes precedence; electric devices on electrically propelled vehicles indicating the wheel slip B60L3/10; measuring linear or angular speed per se G01P3/00 B60T8/3205acceleration B60T8/34, B60T8/52, B60T8/54, B60T8/56, B60T8/58, B60T8/72, B60T8/86, B60T8/88 take precedence B60T8/321deceleration B60T8/34, B60T8/52, B60T8/54, B60T8/56, B60T8/58, B60T8/72, B60T8/86, B60T8/88 take precedence B60T8/3215Systems characterised by having means acting on components of the drive line, e.g. retarder, clutch or differential gear B60T8/322 takes precedence B60T8/322Systems specially adapted for vehicles driven by more than one axle, e.g. Four Wheel-Drive vehicles B60T8/3225Systems specially adapted for single-track vehicles, e.g. motorcycles B60T8/3235 takes precedence B60T8/323Systems specially adapted for tractor-trailer combinations B60T8/3235Systems specially adapted for rail vehicles B60T8/324Speed measurement by means of centrifugal governers or the like B60T8/3245responsive to the speed difference between wheels and rail, or between two wheels or two axles B60T8/325Systems specially adapted for aircraft B60T8/3255Systems in which the braking action is dependent on brake pedal data B60T8/326Hydraulic systems B60T8/3265with control of the booster B60T8/3275 takes precedence B60T8/327Pneumatic systems B60T8/3275Systems with a braking assistant function, i.e. automatic full braking initiation in dependence of brake pedal velocity B60T8/328Systems sharing components with other fluid systems onboard the vehicle B60T8/3285the other fluid systems being suspension elements B60T8/329Systems characterised by their speed sensor arrangements B60T8/3295Systems in which there is a pulsating signal superposed on the command signal B60T8/34having a fluid pressure regulator responsive to a speed condition B60T8/341Systems characterised by their valves B60T8/36, B60T8/38 take precedence B60T8/342Pneumatic systems B60T8/343Systems characterised by their lay-out B60T8/349 takes precedence B60T8/344Hydraulic systems B60T8/345having more than one brake circuit per wheel B60T8/3462 Channel systems B60T8/345 takes precedence B60T8/3473 Channel systems B60T8/345 takes precedence B60T8/3484 Channel systems B60T8/345 takes precedence B60T8/349Systems adapted to control a set of axles, e.g. tandem axles B60T8/36including a pilot valve responding to an electromagnetic force B60T8/3605wherein the pilot valve is mounted in a circuit controlling the working fluid system B60T8/361wherein the pilot valve is mounted in a circuit controlling an auxiliary fluid system B60T8/3615Electromagnetic valves specially adapted for anti-lock brake and traction control systems electromagnetic valves in general F16K31/06 B60T8/362in pneumatic systems B60T8/3655, B60T8/3675 and B60T8/369 take precedence B60T8/3625having at least one vacuum connection B60T8/363in hydraulic systems B60T8/3655, B60T8/3675 and B60T8/369 take precedence B60T8/3635switching between more than two connections, e.g. 3/2-valves B60T8/364, B60T8/3645 and B60T8/365 take precedence B60T8/364switching between a number of discrete positions as a function of the applied signal, e.g. 3/3-valves B60T8/3645 takes precedence B60T8/3645having more than one electromagnetic coil inside a common housing B60T8/365combining a plurality of functions in one unit, e.g. pressure relief B60T8/3655Continuously controlled electromagnetic valves B60T8/366Valve details B60T8/3665Sliding valves B60T8/367Seat valves, e.g. poppet valves B60T8/3675integrated in modulator units B60T8/368combined with other mechanical components, e.g. pump units, master cylinders B60T8/3685characterised by the mounting of the modulator unit onto the vehicle B60T8/369Valves using piezo-electric elements in general F16K31/004 B60T8/3695wherein the pilot valve is mounted separately from its power section B60T8/3605, B60T8/361 and B60T8/3615 take precedence B60T8/38including valve means of the relay or driver controlled type B60T8/40comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system B60T8/4004Repositioning the piston(s) of the brake control means by means of a fluid pressurising means in order to reduce the brake pressure B60T8/4009the brake control means being the wheel cylinders B60T8/4013Fluid pressurising means for more than one fluid circuit, e.g. separate pump units used for hydraulic booster and anti-lock braking B60T8/4018Pump units characterised by their drive mechanisms B60T8/4095 takes precedence B60T8/4022Pump units driven by an individual electric motor B60T8/4027 takes precedence B60T8/4027Pump units driven by (parts of) the vehicle propulsion unit B60T8/4031Pump units characterised by their construction or mounting pump units in combination with valve blocks B60T8/36 B60T8/4036Pump units characterised by their failure-responsive means B60T8/88 takes precedence B60T8/404Control of the pump unit B60T8/4045involving ON/OFF switching B60T8/405involving the start-up phase B60T8/4054involving the delivery pressure control B60T8/4072 takes precedence B60T8/4059involving the rate of delivery B60T8/4063involving the direction of fluid flow B60T8/4068the additional fluid circuit comprising means for attenuating pressure pulsations B60T8/4072Systems in which a driver input signal is used as a control signal for the additional fluid circuit which is normally used for braking B60T8/4077Systems in which the booster is used as an auxiliary pressure source B60T8/4081Systems with stroke simulating devices for driver input B60T8/4077 takes precedence B60T8/4086the stroke simulating device being connected to, or integrated in the driver input device B60T8/409characterised by details of the stroke simulating device B60T8/4095including wheel driven pumps for detecting a speed condition B60T8/42having expanding chambers for controlling pressure , i.e. closed systems B60T8/4208Debooster systems B60T8/4216having a mechanically actuated expansion unit B60T8/4225 and B60T8/4266 take precedence B60T8/4225having a fluid actuated expansion unit B60T8/4233with brake pressure relief by introducing fluid pressure into the expansion unit B60T8/4241 takes precedence B60T8/4241pneumatically B60T8/425using a vacuum B60T8/4258with brake pressure relief by creating vacuum inside the expansion unit B60T8/4266having an electro-mechanically actuated expansion unit, e.g. solenoid, electric motor, piezo stack B60T8/4275Pump-back systems B60T8/4283having a pressure sensitive inlet valve B60T8/4291having means to reduce or eliminate pedal kick-back B60T8/44co-operating with a power-assist booster means associated with a master cylinder for controlling the release and reapplication of brake pressure through an interaction with the power assist device , i.e. open systems B60T8/441using hydraulic boosters B60T8/445, B60T8/446, B60T8/447 take precedence B60T8/442the booster being a fluid return pump, e.g. in combination with a brake pedal force booster B60T8/443using compressed air B60T8/445, B60T8/446, B60T8/448 take precedence B60T8/444using vacuum B60T8/445, B60T8/446, B60T8/448 take precedence B60T8/445replenishing the released brake fluid volume into the brake piping B60T8/446replenishing the released brake fluid volume via the master cylinder B60T8/447Reducing the boost of the power-assist booster means to reduce brake pressure B60T8/448the power-assist booster means being a vacuum or compressed air booster B60T8/449of the multiple booster type B60T8/46the pressure being reduced by exhausting fluid B60T8/48connecting the brake actuator to an alternative or additional source of fluid pressure , e.g. traction control systems B60T8/4809Traction control, stability control, using both the wheel brakes and other automatic braking systems B60T8/4818in pneumatic brake systems B60T8/4827in hydraulic brake systems B60T8/4836wherein a booster output pressure is used for normal or anti lock braking B60T8/4845, B60T8/4863, B60T8/489 take precedence B60T8/4845using a booster or a master cylinder for traction control B60T8/4854pneumatic boosters B60T8/4863closed systems B60T8/4845, B60T8/489 take precedence B60T8/4872pump-back systems B60T8/4881having priming means B60T8/489using separate traction control modulators B60T8/50having means for controlling the rate at which pressure is reapplied to or released from the brake B60T8/5006Pressure reapplication by pulsing of valves B60T8/5012, B60T8/5018, B60T8/505, B60T8/5056 take precedence B60T8/5012Pressure reapplication using a plurality of valves in parallel B60T8/5018Pressure reapplication using restrictions B60T8/5012, B60T8/505 take precedence B60T8/5025in hydraulic brake systems B60T8/5031open systems B60T8/5037closed systems B60T8/5043debooster systems B60T8/505Pressure reapplication in a mu-split situation, i.e. a situation with different coefficients of friction on both sides of the vehicle B60T8/5056Pressure reapplication using memory devices B60T8/5062using memory chambers B60T8/5068having decay means B60T8/5075Pressure release by pulsing of valves B60T8/5081, B60T8/5087 take precedence B60T8/5081Pressure release using a plurality of valves in parallel B60T8/5087Pressure release using restrictions B60T8/5081 takes precedence B60T8/5093in hydraulic brake systems B60T8/52Torque sensing, i.e. wherein the braking action is controlled by forces producing or tending to produce a twisting or rotating motion on a braked rotating member B60T8/54by mechanical means B60T8/56having means for changing the coefficient of friction B60T8/58responsive to speed and another condition or to plural speed conditionsIn this group, a single condition which is itself responsive to, or representative of, another single condition is not regarded as plural conditions B60T8/72responsive to a difference between a speed condition, e.g. deceleration, and a fixed reference B60T8/74sensing a rate of change of velocity B60T8/76two or more sensing means from different wheels indicative of the same type of speed condition B60T8/86wherein the brakes are automatically applied in accordance with a speed condition and having means for overriding the automatic braking device when a skid condition occurs B60T8/88with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means B60T8/885using electrical circuitry B60T8/90using a simulated speed signal to test speed responsive control means B60T8/92automatically taking corrective action B60T8/94on a fluid pressure regulator B60T8/96on speed responsive control means B60T10/00Control or regulation for continuous braking making use of fluid or powdered medium, e.g. for use when descending a long slope B60T10/02with hydrodynamic brake B60T10/04with hydrostatic brake B60T11/00Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant the power assistance or drive being essential B60T13/00 B60T11/04transmitting mechanically B60T11/043in case of steerable wheels B60T11/046Using cables B60T11/043 takes precedence B60T11/06Equalising arrangements B60T11/08providing variable leverage B60T11/10transmitting by fluid means, e.g. hydraulic B60T11/101equalising arrangements B60T11/102in combination with mechanical elements B60T11/103in combination with other control devices conjoint control of brake system and at least another sub-unit B60W10/188 B60T11/105with brake locking after actuation, release of the brake by a different control device, e.g. gear lever B60T11/106locking and release of the brake by the clutch B60T11/107overrun brakes with fluid means B60T11/108to a trailer fluid system B60T11/12the transmitted force being varied therein B60T11/16 - B60T11/26 take precedence B60T11/14the transmitted force being substantially unchanged B60T11/16Master control, e.g. master cylinders master cylinders associated with vacuum boosters B60T13/565 B60T11/165Single master cylinders for pressurised systems B60T11/18Connection thereof to initiating means B60T11/20Tandem, side-by-side, or other multiple master cylinder units B60T11/203Side-by-side configuration B60T11/206with control by a force distributing lever B60T11/21with two pedals operating on respective circuits, pressures therein being equalised when both pedals are operated together, e.g. for steering steering non-deflectable wheels or endless tracks by differentially driving ground-engaging elements on opposite vehicle sides using brakes as main steering effecting means B62D11/08 B60T11/22characterised by being integral with reservoir B60T11/224with pressure-varying means, e.g. with two stage operation provided by use of different piston diameters including continuous variation from one diameter to another B60T11/228Pressure-maintaining arrangements, e.g. for replenishing the master cylinder chamber with fluid from a reservoir B60T11/232 takes precedence B60T11/232Recuperation valves B60T11/236Piston sealing arrangements B60T11/24Single initiating means operating on more than one circuit, e.g. dual circuits multiple master cylinder units B60T11/20 B60T11/26Reservoirs integral with master controls B60T11/22 B60T11/28Valves specially adapted therefor recuperation valves B60T11/232 B60T11/30Bleed valves for hydraulic brake systems B60T11/32Automatic cut-off valves for defective pipes B60T11/323in hydraulic systems B60T11/326in pneumatic systems B60T11/34Pressure reducing or limiting valves for arrangements for adjusting wheel-braking force responsive to vehicle weight or load B60T8/1831 B60T13/00Transmitting braking action from initiating means to ultimate brake actuator with power assistance or driveBrake systems incorporating such transmitting means, e.g. air-pressure brake systems arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions B60T8/00; valves incorporated in such systems B60T15/00 B60T13/02with mechanical assistance or drive combined with fluid pressure B60T13/588 B60T13/04by spring or weight fluid released B60T13/10 B60T13/06by inertia, e.g. flywheel B60T13/065of the propulsion system B60T13/08Overrun brakes B60T13/10with fluid assistance, drive, or release B60T13/12the fluid being liquid B60T13/14using accumulators or reservoirs fed by pumps B60T13/141Systems with distributor valve B60T13/147 takes precedence B60T13/142Systems with master cylinder B60T13/143Master cylinder mechanically coupled with booster B60T13/144Pilot valve provided inside booster piston B60T13/145Master cylinder integrated or hydraulically coupled with booster B60T13/146Part of the system directly actuated by booster pressure B60T13/147In combination with distributor valve B60T13/148Arrangements for pressure supply B60T13/16using pumps directly, i.e. without interposition of accumulators or reservoirs B60T13/161Systems with master cylinder B60T13/162Master cylinder mechanically coupled with booster B60T13/163Pilot valve provided inside booster piston B60T13/165Master cylinder integrated or hydraulically coupled with booster B60T13/166Part of the system directly actuated by booster pressure B60T13/167In combination with distributor valve B60T13/168Arrangements for pressure supply B60T13/18with control of pump output delivery , e.g. by distributor valves B60T13/167 takes precedence B60T13/20with control of pump driving means B60T13/22Brakes applied by springs or weights and released hydraulically B60T13/24the fluid being gaseous B60T13/241Differential pressure systems B60T13/242The control valve is provided as one unit with the servomotor cylinder B60T13/243Mechanical command of the control valve, mechanical transmission to the brakes B60T13/244Mechanical command of the control valve, hydraulic transmission to the brakes B60T13/245Hydraulic command of the control valve, hydraulic transmission to the brake B60T13/246The control valve is provided apart from the servomotor cylinder B60T13/247Mechanical command of the control valve, mechanical transmission to the brakes B60T13/248Mechanical command of the control valve, hydraulic transmission to the brakes B60T13/249Hydraulic command of the control valve, hydraulic transmission to the brakes B60T13/26Compressed-air systems B60T13/261systems with both indirect application and application by springs or weights and released by compressed air B60T13/263specially adapted for coupling with dependent systems, e.g. tractor-trailer systems B60T13/265dependent systems, e.g. trailer systems B60T13/266Systems with both direct and indirect application, e.g. in railway vehicles B60T13/268using accumulators or reservoirs B60T13/36direct, i.e. brakes applied directly by compressed air B60T13/365for railway vehicles B60T13/38Brakes applied by springs or weights and released by compressed air B60T13/261 takes precedence B60T13/385Control arrangements therefor B60T13/40indirect, i.e. compressed air booster units indirect systems B60T13/403specially adapted for coupling with dependent systems, e.g. tractor-trailer systems B60T13/406specially adapted for transfer of two or more command signals, e.g. railway systems with electrical control B60T13/665 B60T13/44with two-chamber booster units B60T13/45with multiple booster units, e.g. tandem booster units B60T13/46Vacuum systems B60T13/465for railway vehicles B60T13/48direct, i.e. brakes applied directly by vacuum B60T13/50Brakes applied by springs or weights and released by vacuum B60T13/52indirect, i.e. vacuum booster units B60T13/56with two-chamber booster units B60T13/563with multiple booster units, e.g. tandem booster units B60T13/565characterised by being associated with master cylinders, e.g. integrally formed B60T13/567characterised by constructional features of the casing or by its strengthening or mounting arrangements B60T13/5675Supportstruts B60T13/569characterised by piston details, e.g. construction, mounting of diaphragm B60T13/57characterised by constructional features of control valves B60T13/573characterised by reaction devices B60T13/575using resilient discs or pads B60T13/577using levers B60T13/58Combined or convertible systems B60T13/581both hydraulic and pneumatic B60T13/583using converters B60T13/585comprising friction brakes and retarders B60T13/586the retarders being of the electric type B60T13/588both fluid and mechanical assistance or drive B60T13/62both straight and automatic B60T13/64both single and multiple, e.g. single and tandem B60T13/66Electrical control in fluid-pressure brake systems B60T13/662characterised by specified functions of the control system components B60T13/665the systems being specially adapted for transferring two or more command signals, e.g. railway systems B60T13/662 takes precedence B60T13/667and combined with electro-magnetic brakes B60T13/68by electrically-controlled valves B60T13/662 and B60T13/665 take precedence B60T13/683in pneumatic systems or parts thereof in vacuum systems B60T13/72 B60T13/686in hydraulic systems or parts thereof B60T13/70by fluid-controlled switches B60T13/72in vacuum systems or vacuum booster units B60T13/74with electrical assistance or drive B60T13/741acting on an ultimate actuator B60T13/743with a spring accumulator B60T13/745acting on a hydraulic system, e.g. a master cylinder B60T13/746and mechanical transmission of the braking action B60T13/748acting on electro-magnetic brakes combined with fluid-pressure brake systems B60T13/667 B60T15/00Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00 valve structures responsive to a speed condition B60T8/34; valves in general F16K B60T15/02Application and release valves B60T15/021Railway control or brake valves B60T15/022with one slide valve, e.g. an emergency slide valve B60T15/024with quick braking action and evacuation of air to a reservoir, to the atmosphere or to the brake cylinder B60T15/025Electrically controlled valves B60T15/027in pneumatic systems B60T15/028in hydraulic systems B60T15/04Driver's valves B60T15/041controlling auxiliary pressure brakes, e.g. parking or emergency brakes B60T15/048 takes precedence B60T15/043controlling service pressure brakes B60T15/048 takes precedence B60T15/045in multiple circuit systems, e.g. dual circuit systems B60T15/046with valves mounted in tandem B60T15/048Controlling pressure brakes of railway vehicles B60T15/10for vacuum brakes B60T15/12combined with relay valves or the like B60T15/14influencing electric control means B60T15/16Arrangements enabling systems to be controlled from two or more positions B60T15/18Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere B60T15/181Trailer control valves B60T15/20 and B60T15/243 take precedence B60T15/182Trailer brake valves B60T15/20 and B60T15/246 take precedence B60T15/184Railway control or brake valves B60T15/185with one slide valve B60T15/187with a slide valve for initiation and a second slide valve for control of the braking B60T15/188with a slide valve for initiation and annular valves for control of the braking B60T15/20controlled by two fluid pressures B60T15/203Trailer control valves B60T15/223 takes precedence B60T15/206Trailer brake valves B60T15/226 takes precedence B60T15/22with one or more auxiliary valves, for braking, releasing, filling reservoirs B60T15/223Trailer control valves B60T15/226Trailer brake valves B60T15/24controlled by three fluid pressures B60T15/243Trailer control valves B60T15/246Trailer brake valves B60T15/26without a quick braking action B60T15/28and having auxiliary valves B60T15/30with a quick braking action B60T15/302Railway control or brake valves with evacuation of air to a reservoir, to the atmosphere or to the brake cylinder B60T15/304with one slide valve B60T15/306with a slide valve for initiation and a second slide valve for control of the braking B60T15/308with a slide valve for initiation and annular valves for control of the braking B60T15/32and having auxiliary valves B60T15/34controlled alternatively by two or three fluid pressures B60T15/36Other control devices or valves characterised by definite functions electrically controlled valves in fluid-pressure brake systems B60T15/027, B60T15/028 B60T15/38for quick take-up and heavy braking, e.g. with auxiliary reservoir for taking-up slack B60T15/40with separate take-up and applying cylinders B60T15/42with a quick braking action, i.e. with accelerating valves actuated by brake-pipe pressure variation B60T15/44and operating independently of the main control device B60T15/46for retarding braking action to prevent rear vehicles of a vehicle train overtaking the forward ones B60T15/48for filling reservoirs B60T15/50with means for limiting or relieving pressure in reservoirs B60T15/52for quick release of brakes, e.g. for influencing counter- pressure in triple valve or recirculating air from reservoir or brake cylinder to brake pipe B60T15/54for controlling exhaust from triple valve or from brake cylinder B60T15/56for filling reservoirs by means of a secondary supply pipe B60T15/58for supplying control impulses through a secondary air pipe B60T15/60for releasing or applying brakes when vehicles of a vehicle train are uncoupled B60T17/00Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features air compressors per se F04 B60T17/002Air treatment devices B60T17/004Draining and drying devices B60T17/006Anti-frost devices B60T17/008Silencer devices B60T17/02Arrangements of pumps or compressors, or control devices therefor B60T17/04Arrangements of piping, valves in the piping, e.g. cut-off valves, couplings or air hoses traction couplings involving joints for supply lines, electric circuits, or the like B60D1/62; couplings peculiar to railway vehicles for, or combined with, couplings or connectors for fluid conduits or electric cables B61G5/06; pipes, cut-off valves, couplings, air hoses per se F16C, F16K, F16L B60T17/043Brake line couplings, air hoses and stopcocks B60T17/046Devices for pipe guiding and fixing B60T17/06Applications or arrangements of reservoirs B60T17/08Brake cylinders other than ultimate actuators with built-in wear-compensating mechanisms, ultimate actuators F16D B60T17/081Single service brake actuators B60T17/083Combination of service brake actuators with spring loaded brake actuators B60T17/085Spring loaded brake actuators B60T17/086Spring loaded brake actuators with emergency release device B60T17/088Mounting arrangements B60T17/10Two or more cylinders acting on the same brake with means for rendering them effective selectively or successively, the number of effective cylinders being variable B60T17/12according to vehicle weight B60T17/14according to vehicle speed B60T17/16Locking of brake cylinders B60T17/18Safety devicesMonitoring B60T17/20Safety devices operable by passengers other than the driver , e.g. for railway vehicles B60T17/22Devices for monitoring or checking brake systemsSignal devices B60T17/221Procedure or apparatus for checking or keeping in a correct functioning condition of brake systems hydraulic pressure systems in general F15B19/00, F15B21/04; testing structures or apparatus G01M B60T17/222by filling or bleeding of hydraulic systems B60T17/223Devices for pressurising brake systems acting on pedal B60T17/225brake fluid level indicators level indication in general G01F; H01H B60T17/226using devices being responsive to the difference between the fluid pressions in conduits of multiple braking systems B60T17/227With additional functions, e.g. by-pass B60T17/228for railway vehicles B60T2201/00 B60T2201/00Particular use of vehicle brake systemsSpecial systems using also the brakesSpecial software modules within the brake system controller B60T2201/02Active or adaptive cruise control systemDistance control B60T2201/022Collision avoidance systems B60T2201/024Collision mitigation systems B60T2201/03Brake assistants B60T2201/04Hill descent control B60T2201/06Hill holderStart aid systems on inclined road B60T2201/08Lane monitoringLane Keeping Systems B60T2201/081using distance control B60T2201/082using alarm actuation B60T2201/083using active brake actuation B60T2201/084using suspension control B60T2201/085using several actuatorsCoordination of the lane keeping system with other control systems B60T2201/086using driver related features B60T2201/087using active steering actuation B60T2201/088using transmission control B60T2201/089using optical detection B60T2201/09Engine drag compensation B60T2201/10Automatic or semi-automatic parking aid systems B60T2201/12Pre-actuation of braking systems without significant braking effectOptimizing brake performance by reduction of play between brake pads and brake disc B60T2201/122Pre-actuation in case of ESP control B60T2201/124Rain brake support [RBS]Cleaning or drying brake discs, e.g. removing water or dirt B60T2201/14Electronic locking-differential B60T2201/16Curve braking control, e.g. turn control within ABS control algorithm B60T2210/00Detection or estimation of road or environment conditionsDetection or estimation of road shapes B60T2210/10Detection or estimation of road conditions B60T2210/12Friction B60T2210/122using fuzzy logic, neural computing B60T2210/124Roads with different friction levels B60T2210/13Aquaplaning, hydroplaning B60T2210/14Rough roads, bad roads, gravel roads B60T2210/16Off-road driving conditions B60T2210/20Road shapes B60T2210/22Banked curves B60T2210/24Curve radius B60T2210/30Environment conditions or position therewithin B60T2210/32Vehicle surroundings B60T2210/34Blind spots B60T2210/36Global Positioning System [GPS] B60T2220/00Monitoring, detecting driver behaviourSignalling thereofCounteracting thereof B60T2220/02Driver typeDriving styleDriver adaptive features B60T2220/03Driver counter-steeringAvoidance of conflicts with ESP control B60T2220/04Pedal travel sensor, stroke sensorSensing brake request B60T2220/06Adjustment of accelerator pedal reaction forces B60T2230/00Monitoring, detecting special vehicle behaviourCounteracting thereof B60T2230/02Side slip angle, attitude angle, floating angle, drift angle B60T2230/03Overturn, rollover B60T2230/04Jerk, soft-stopAnti-jerk, reduction of pitch or nose-dive when braking B60T2230/06Tractor-trailer swaying B60T2230/08Driving in reverse B60T2240/00Monitoring, detecting wheel/tire behaviourcounteracting thereof B60T2240/02Longitudinal grip detection of road friction B60T2210/10 B60T2240/03Tire sensors B60T2240/04Tire deformation B60T2240/06Wheel loadWheel lift B60T2240/07Tire tolerance compensation B60T2240/08Spare wheel detectionAdjusting brake control in case of spare wheel use B60T2250/00Monitoring, detecting, estimating vehicle conditions B60T2250/02Vehicle mass B60T2250/03Vehicle yaw rate B60T2250/04Vehicle reference speedVehicle body speed B60T2250/042Reference speed calculation in ASR or under wheel spinning condition B60T2250/06Sensor zero-point adjustmentOffset compensation B60T2250/062loosing zero-point calibration of yaw rate sensors when travelling on banked roads or in case of temperature variations B60T2260/00Interaction of vehicle brake system with other systems B60T2260/02Active Steering, Steer-by-Wire B60T2260/022Rear-wheel steeringFour-wheel steering B60T2260/024Yawing moment compensation during mu-split braking B60T2260/04Automatic transmission B60T2260/06Active Suspension System B60T2260/08Coordination of integrated systems B60T2260/09Complex systemsConjoint control of two or more vehicle active control systems B60T2270/00Further aspects of brake control systems not otherwise provided for B60T2270/10ABS control systems B60T2270/12for all-wheel drive vehicles B60T2270/14hydraulic model B60T2270/20ASR control systems B60T2270/202for all-wheel drive vehicles B60T2270/203hydraulic system components B60T2270/204hydraulic model B60T2270/206Monitoring, e.g. parameter monitoring, plausibility check B60T2270/208adapted to friction condition B60T2270/211Setting or adjusting start-control threshold B60T2270/213Driving off under Mu-split conditions B60T2270/30ESP control system B60T2270/302for all-wheel drive vehicles B60T2270/303Stability control with active acceleration B60T2270/304during driver brake actuation B60T2270/306hydraulic system components B60T2270/308hydraulic model B60T2270/311Predefined control maps, lookup tables B60T2270/313with less than three sensors (yaw rate, steering angle, lateral acceleration) B60T2270/40Failsafe aspects of brake control systems B60T2270/402Back-up B60T2270/403Brake circuit failure B60T2270/404Brake-by-wire or X-by-wire failsafe B60T2270/406Test-modeSelf-diagnosis B60T2270/408Hierarchical failure detection B60T2270/411Offset failure B60T2270/413Plausibility monitoring, cross check, redundancy B60T2270/414Power supply failure B60T2270/415Short-circuit, open circuit failure B60T2270/416Wheel speed sensor failure B60T2270/60Regenerative braking B60T2270/602ABS features related thereto B60T2270/603ASR features related thereto B60T2270/604Merging friction therewithAdjusting their repartition B60T2270/606Axle differential or center differential features related thereto B60T2270/608Electronic brake distribution (EBV/EBD) features related thereto B60T2270/611Engine braking features related thereto B60T2270/613ESP features related thereto B60T2270/82Brake-by-Wire, EHB B60T2270/83Control features of electronic wedge brake [EWB] B60T2270/84Driver circuits for actuating motor, valve and the like B60T2270/86Optimizing braking by using ESP vehicle or tire model B60T2270/88Pressure measurement in brake systems B60T2270/89Criteria for brake release