EP3829945A1 - Control devices for motorised pressurisation devices and method for transmitting at least one information item between two motorised pressurisation devices - Google Patents
Control devices for motorised pressurisation devices and method for transmitting at least one information item between two motorised pressurisation devicesInfo
- Publication number
- EP3829945A1 EP3829945A1 EP19752923.3A EP19752923A EP3829945A1 EP 3829945 A1 EP3829945 A1 EP 3829945A1 EP 19752923 A EP19752923 A EP 19752923A EP 3829945 A1 EP3829945 A1 EP 3829945A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- control device
- motorized
- pressure
- information
- pressure build
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 13
- 230000008859 change Effects 0.000 claims abstract description 53
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 230000008901 benefit Effects 0.000 description 7
- 230000006854 communication Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007175 bidirectional communication Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/321—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration deceleration
- B60T8/3255—Systems in which the braking action is dependent on brake pedal data
- B60T8/326—Hydraulic systems
- B60T8/3265—Hydraulic systems with control of the booster
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/88—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means
- B60T8/885—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means using electrical circuitry
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/58—Combined or convertible systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/662—Electrical control in fluid-pressure brake systems characterised by specified functions of the control system components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
- B60T13/686—Electrical control in fluid-pressure brake systems by electrically-controlled valves in hydraulic systems or parts thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
- B60T13/745—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on a hydraulic system, e.g. a master cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
- B60T17/221—Procedure or apparatus for checking or keeping in a correct functioning condition of brake systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/171—Detecting parameters used in the regulation; Measuring values used in the regulation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
- B60T13/16—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using pumps directly, i.e. without interposition of accumulators or reservoirs
- B60T13/18—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using pumps directly, i.e. without interposition of accumulators or reservoirs with control of pump output delivery, e.g. by distributor valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/40—Failsafe aspects of brake control systems
- B60T2270/402—Back-up
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/40—Failsafe aspects of brake control systems
- B60T2270/404—Brake-by-wire or X-by-wire failsafe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/82—Brake-by-Wire, EHB
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/88—Pressure measurement in brake systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/321—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration deceleration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/48—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition connecting the brake actuator to an alternative or additional source of fluid pressure, e.g. traction control systems
- B60T8/4809—Traction control, stability control, using both the wheel brakes and other automatic braking systems
- B60T8/4827—Traction control, stability control, using both the wheel brakes and other automatic braking systems in hydraulic brake systems
- B60T8/4863—Traction control, stability control, using both the wheel brakes and other automatic braking systems in hydraulic brake systems closed systems
- B60T8/4872—Traction control, stability control, using both the wheel brakes and other automatic braking systems in hydraulic brake systems closed systems pump-back systems
Definitions
- the invention relates to control devices for one motorized
- Pressure build-up device of a brake system of a vehicle also relates to motorized pressure build-up devices for a brake system of a vehicle and a brake system for a vehicle. Furthermore, the invention relates to a method for transmitting at least one piece of information between two motorized pressure build-up devices of a brake system of a vehicle.
- Control devices for controlling at least one motorized brake pressure build-up device of a brake system of a vehicle such as, for example, a brake booster and / or at least one hydraulic device of the brake system, are known from the prior art.
- a brake booster and / or at least one hydraulic device of the brake system are known from the prior art.
- Control device is described for example in DE 10 2015 202 337 A1.
- the present invention provides a control device for a first motorized pressure build-up device of a brake system of a vehicle with the features of claim 1, a control device for a second motorized pressure build-up device of the brake system for cooperation with the control device with the features of claim 6, a motorized pressure build-up device for a brake system Vehicle with the
- the present invention provides possibilities for transmitting at least one piece of information between two different motorized ones
- Pressure build-up devices of a brake system of a vehicle without using an electrical communication system such as a vehicle bus system.
- the present invention can enable bidirectional communication between the two different motorized pressure build-up devices of the respective brake system without a signal having to be forwarded via the at least one vehicle bus system. Instead, the present invention enables one
- Hydraulic interface between the two different motorized pressure build-up devices of the same brake system, which can be used instead of or in addition to the at least one vehicle bus system.
- the “hydraulic interface” created by means of the present invention expands the possibilities for transmitting the at least one piece of information between the two different motorized pressure build-up devices, in particular in the event of a fault. Even in the case of a complete one
- the at least one information can also be transmitted via the “hydraulic interface” between the two different motorized pressure build-up devices, so that the two motorized pressure build-up devices continue to operate
- the present invention thus makes a significant contribution to defusing a driving situation which is conventionally frequently critical.
- control device is designed, taking into account the respective first information, to control the first motor such that, by means of the operation of the controlled first motor, the pressure prevailing in at least the partial volume of the braking system is varied according to a sinusoidal or binary pressure change signal, which the control device can be interpreted as the respective first piece of information using the second pressure sensor device.
- a sinusoidal or binary pressure change signal By means of a sinusoidal or binary pressure change signal, an exact information transmission from the Control device of the first motorized pressure build-up device to the control device of the second motorized pressure build-up device possible.
- Pressure change signals for the transmission of information consists in the fact that such pressure change signals can be reliably detected by means of a comparatively cheap and relatively small installation space pressure measuring device.
- a pressure change instruction with respect to the pressure change signal which can be interpreted as the respective first piece of information for the control device can be stored on a first storage device of the control device for the at least one first piece of information, wherein the control device is designed taking into account that of the first
- Memory device to read the respective pressure change instruction to control the first motor such that the pressure prevailing in at least the partial volume of the brake system is varied according to the corresponding pressure change signal by means of the operation of the controlled first motor.
- control device can be easily configured to output a large amount of information to the control device of the second motorized pressure build-up device.
- the at least one first piece of information is one of at least one braking request detection device of the first motorized one
- Pressure build-up device determined driver brake request information with respect to a driver brake request displayed by a driver by means of his actuation of a brake actuation element of the vehicle, at least one of the
- Control device specified target operating parameters with respect to a target operating mode to be executed by means of the second motorized pressure build-up device and / or at least one error message regarding an error present on the control device and / or on at least one component of the first motorized pressure build-up device
- Control device of the second motorized pressure build-up device can be output.
- the control device can operate the device
- control device can be designed in addition to outputting at least second information to the control device of the first motorized pressure build-up device by the
- Control device is designed, taking into account the respective second information, to control the second motor in such a way that, by means of the operation of the controlled second motor, the pressure prevailing in at least the partial volume of the braking system is varied in accordance with a pressure change signal which is used for the control device using a first pressure sensor device first motorized pressure build-up device can be interpreted as the respective second information.
- the control device can additionally receive the at least one of the
- Control device of the second motorized pressure build-up device output second information by, as soon as a first pressure sensor device of the first motorized pressure build-up device by means of the operation of the second motor of the second motorized
- Pressure build-up device detected in at least the partial volume of the brake system caused pressure change signal and one of the detected
- the control device is designed to read the corresponding second information from the output sensor signal. Bi-directional communication between the control device and the control device is thus also possible by means of the further developments of the control device and the control device described here.
- the corresponding first information is stored on a second storage device of the control device for the respective sensor signal corresponding to the pressure change signal, the control device being designed to read out the first information stored for the respective sensor signal from the second storage device.
- the motorized pressure build-up device is preferably a one
- Master brake cylinder of the brake system upstream or upstream electromechanical brake booster a pump system with at least one pump, a motorized piston-cylinder device, an integrated power brake or an electric wheel brake.
- the present invention can thus already be used in a variety of conventionally
- Vehicle brake systems used motorized pressure buildup devices are used.
- a brake system for a vehicle with a corresponding first motorized pressure build-up device and such a second motorized pressure build-up device also enables the advantages described above.
- Embodiments of the control device and the control device can be developed.
- Fig. 2 is a schematic representation of an embodiment of the
- FIG. 3 shows a coordinate system for explaining an embodiment of the method for transmitting at least one piece of information between two motorized pressure build-up devices of a brake system of a vehicle.
- FIGS. 1 a and 1 b show schematic representations of embodiments of the control device and the control device, or the braking system equipped with them, and a coordinate system for explaining them
- the brake system 10 which is shown only schematically in FIG. 1 a, has a first motorized pressure build-up device 12 and a second motorized pressure build-up device 14.
- the motorized pressure build-up devices 12 and 14 can also be referred to as a primary actuator and a secondary actuator of the brake system 10.
- Pressure builders 12 and 14 have their own motors 12a and 14a.
- each of the motorized pressure build-up devices 12 and 14 (independent of the other motorized pressure build-up device 12 or 14) is designed to increase a pressure p prevailing in at least a partial volume 16 of the brake system 10 by means of an operation of its motor 12a or 14a.
- the brake system 10 equipped with the two motorized pressure build-up devices 12 and 14 can be, for example, an external brake system or an auxiliary brake system.
- the control device 18 of the first motorized pressure build-up device 12 is designed to control the first motor 12a of the first motorized
- control device 18 is designed to output at least first information to the control device 20 of the second motorized pressure build-up device 14. This is the
- Control device 18 is designed to control the first motor 12a taking into account the respective first information in such a way that by means of the operation of the controlled first motor 12a the in at least the
- Partial volume 16 of the brake system 10 prevailing pressure p is varied according to a pressure change signal Dri, which for the control device 20 of the second motorized pressure build-up device 14 using a second pressure sensor device 14b of the second motorized
- Pressure build-up device 14 can be interpreted as the respective first piece of information. A difference between the minimum and maximum values of the
- Pressure change signal Dri can be, for example, between 1 bar and 10 bar, preferably between 1 bar and 5 bar.
- the control device 20 of the second motorized pressure build-up device 14 is designed to control the second motor 14a of the second motorized
- control pressure build-up device 14 by means of at least one control signal Si 4a in such a way that the pressure p prevailing in at least the partial volume 16 of the brake system 10 can also be varied / operated by operating the controlled second motor 14a.
- the control of the second motor 14 of the second motorized pressure build-up device 14 by means of the control device 20 takes into account at least one of the second
- Pressure sensor device 14b output sensor signal Si 4b .
- the second motorized pressure build-up device 14 is preferably an ABS system or an ESP system (ESC system), which is conventionally already designed with a pressure sensor that can be used as the second pressure sensor device 14b.
- ABS system or an ESP system (ESC system)
- ESC system ESP system
- control device 20 with the control device 18
- control device 20 is additionally designed to receive the at least one piece of information output by the control device 18 of the first motorized pressure build-up device 12. As soon as the second pressure sensor device 14b of the second motorized
- Pressure build-up device 14 detects the pressure change signal Dri caused by the operation of the first motor 12a of the first motorized pressure build-up device 12 in at least the partial volume 16 of the brake system 10 and corresponds to the detected one
- Outputs control device 20 the control device 20 is designed to read the corresponding first information from the output sensor signal Si 4b .
- the previously described configurations of the control device 18 and the control device 20 interacting therewith thus enable a “hydraulic interface” via which the control device 18 and the control device 20 are connected to one another.
- the at least one first piece of information (as pressure modulation) can be / can be transmitted from the control device 18 to the control device 20 via the "hydraulic interface".
- Fig. La are the control device 18 and the control device 20, or their motorized
- the first electrical network 22 and the second electrical network 24 can each be a vehicle bus system, for example.
- the at least one piece of information can be transmitted from the control device 18 to the control device 20 due to the implemented "hydraulic interface”
- at least one of the electrical networks 22 and 24 can be saved without problems.
- the "hydraulic interface" realized by the control device 18 and the control device 20 is not / hardly at all due to a simultaneous failure of the electrical networks 22 and 24, for example due to water ingress or a short circuit
- Control device 20 disabled the at least one first information from control device 18 can still be transmitted to control device 20 via the "hydraulic interface" even in the event of a simultaneous failure of electrical networks 22 and 24.
- the at least one first information from control device 18 can still be transmitted to control device 20 via the "hydraulic interface" even in the event of a simultaneous failure of electrical networks 22 and 24.
- Hydraulic interface can be achieved in a relatively inexpensive manner and with a comparatively small amount of work.
- control device 18 for outputting a large number of first information to the control device 20 and the control device 20 for receiving the large number of first information from the
- Control device 18 designed.
- a pressure change instruction can be interpreted in each case on a first storage device 18a of the control device 18 for each first piece of information of the plurality of first pieces of information with respect to what can be interpreted as the respective first piece of information for the control device 20
- the control device 18 is then designed to control the first motor 12a taking into account the pressure change instruction read out from the first storage device 18a in such a way that by means of the operation of the controlled first motor 12a the pressure p prevailing in at least the partial volume 16 of the brake system in accordance with the corresponding pressure change signal Dri is varied.
- the advantageous design of the control device 20 for receiving the plurality The first information can be realized, for example, by the corresponding first sensor signal Si 4b being output from the second pressure sensor device 14b to the control device 20 for each pressure change signal Dri which is detected in response to a (one of the plurality of first items of information) and which is output in a second storage device 20a Information is stored.
- the control device 20 is then designed to read out the first information stored for the respective sensor signal Si 4b from the second memory device 20a.
- Control device 20 is thus relatively inexpensive to implement.
- At least one measured value determined by means of a sensor system of the first motorized pressure build-up device 12 or provided to the first motorized pressure build-up device 12 can be communicable as the at least one first piece of information.
- Pressure build-up device 12 determined driver brake request specification regarding a driver brake request indicated by a driver by actuating a (not shown) brake actuation element of the vehicle is transmitted to the control device 20. If the first motorized pressure build-up device 12 as a master brake cylinder of the
- Brake system 10 is designed upstream or upstream electromechanical brake booster, the first motorized
- Pressure build-up device 12 usually via a
- Pedal travel sensor / bar travel sensor and / or via a differential travel sensor as their at least one braking request detection device.
- the driver brake request specification can thus be continuously carried out by means of the
- Pressure build-up device 12 is determined and transmitted as at least first information via the “hydraulic interface” from the control device 18 to the control device 20. The transmission of the
- Driver brake request specification via the “hydraulic interface” from the control device 18 to the control device 20 is also at a simultaneous failure of the electrical networks 22 and 24 is still possible.
- the control device 20 can thus the second motor 14a of the second motorized pressure build-up device 14 despite a simultaneous failure of the electrical networks 22 and 24 still according to the current one
- At least one setpoint operating parameter determined by the control device 18 relating to a setpoint operating mode to be executed by means of the second motorized pressure build-up device 14 can also be transmitted to the control device 20.
- the control device 18 can assign the desired operating mode to be executed by the second motorized pressure build-up device 14 in such a way that operation of the first motorized pressure build-up device 12 is supported by means of the second motorized pressure build-up device 14.
- the at least one first piece of information can also include at least one error message relating to one on the control device 18 and / or on at least one component of the first motorized one
- Pressure build-up device 12 present error are transmitted to the control device 20.
- the control device 20 can thus adapt the operation of the second motorized pressure build-up device 14 to a complete failure of at least one of the two devices 12 and 18 if necessary.
- control device 20 can be designed in addition to outputting at least a second piece of information to the control device 18, in that the control device 20 is designed to control the second motor 14a of the second motorized pressure build-up device 14 taking into account the respective second information in such a way that by means of the operation of the controlled second motor 14a, the pressure p prevailing in at least the partial volume 16 of the brake system 10 is varied in accordance with a pressure change signal Dr 2 , which can be interpreted as the respective second information for the control device 18 using a first pressure sensor device 12b of the first motorized pressure building device 12 is.
- the pressure change signal Dr 2 can also have a difference between its minimum and maximum values, for example between 1 bar and 10 bar, preferably between 1 bar and 5 bar.
- the control device 18 is preferably also in addition to receiving the at least one second output by the control device 20
- control device 18 as soon as the first pressure sensor device 12b has caused the operation of the second motor 14a of the second motorized pressure build-up device 14 in at least the partial volume 16 of the brake system 10 (and corresponds to the output second information) and detects a pressure change signal Dr 2 outputs the detected pressure change signal Dr 2 corresponding sensor signal Si 2b to the control device 18, designed to transmit the corresponding second one
- control device 20 for outputting a large number of second information to the control device 18 and the control device 18 for receiving the large number of second information from the
- Control device 20 can be designed. If necessary, there is one on the second storage device 20a of the control device 20 for every second piece of information of the plurality of second pieces of information
- Pressure change instruction is stored with respect to the pressure change signal Dr 2 which can be interpreted as the respective second information for the control device 18, the control device 20 then being designed to under
- control device 18 for receiving the plurality of second information items can also be easily implemented by using the first one Memory means 18a of the controller 18 for each in response to a (one of the plurality of second information corresponding) detected pressure change signal Dr 2 of the first pressure sensor means 12b output to the control device 18.
- Sensor signal Si 2b the respective second information is stored, the control device 18 in this If this is designed, the second one stored for the respective sensor signal Si 2b
- Control device 20 to the control device 18 is thus easy to implement.
- Control device 18 and control device 20 thus enable bidirectional information exchange between control device 18 and control device 20 via the “hydraulic interface”. Since the communication realized in this way between the control device 18 and the control device 20 is also possible in the event of a simultaneous failure of the electrical networks 22 and 24, it can be referred to as redundant communication or as extended communication in the event of a fault. At least one of the electrical ones shown schematically in FIG.
- Networks 22 and 24 can be saved in this case. However, the further training described in the previous paragraph can often also be dispensed with.
- At least one second item of information at least one setpoint operating parameter defined by the control device 20 relating to a setpoint operating mode to be executed by means of the first motorized pressure build-up device 12 can also be transmitted to the control device 18.
- the master status and the slave status can thus be set as desired or exchangeable between the devices 18 and 20.
- at least one error message relating to an error present on the control device 20 and / or on at least one component of the second motorized pressure build-up device 14 can also be transmitted to the control device 18.
- the devices 18 and 20 can thus function and that of the motorized Adapt pressure builders 12 and 14 to a variety of failure scenarios.
- the at least one second item of information can also be at least one that is determined by means of a sensor system of the second motorized pressure build-up device 14 or is sent to the second motorized pressure build-up device 14
- an abscissa is a time axis t (in seconds), while the pressure p (in bar) prevailing in at least the partial volume 16 of the brake system 10 is represented by means of an ordinate.
- the pressure change signal Dri is shown in the coordinate system of FIG. 1b. It can be seen that in the embodiment of FIGS. 1 a and 1 b the control device 18 is designed, for example, to control the first motor 12 a, taking into account the respective first information, in such a way that, by means of the operation of the controlled first motor 12 a, the at least in the partial volume 16 of the Brake system 10 prevailing pressure p is varied according to a binary pressure change signal Dri, which for the
- Control device 20 using the second pressure sensor device 14b as the respective first piece of information can be interpreted. Also caused by the operation of the second motor 14a driven pressure change signal Dr 2 may be a binary signal Dr pressure change. 2
- Fig. 2 shows a schematic representation of an embodiment of the
- the brake system shown schematically in FIG. 2 has, as motorized pressure build-up devices 12 and 14, an electromechanical brake booster 12 upstream of a master brake cylinder 30 of the brake system and a pump system / hydraulic system 14 with at least one pump.
- the pump system 14 can be, for example, an ABS system or an ESP system (ESC system).
- the motorized pressure builders 12 and 14 are equipped with the control devices 18 and 20 described above.
- the respective control device 18 and 20 can be installed in a subunit of their motorized pressure build-up device 12 or 14 or separately from their motorized pressure build-up device 12 or 14.
- the braking system also includes a motorized piston-cylinder device, such as an integrated power brake (IPB) with one of the devices 18 or 20.
- IPB integrated power brake
- the braking system can also each have an electrical one
- a wheel brake with one of the devices 18 or 20 Have a wheel brake with one of the devices 18 or 20.
- the at least one electric wheel brake can be equipped with its own pressure sensor without any problems.
- a brake pedal 34 and a brake fluid reservoir 36 are also shown in FIG. 2 as further components of the brake system.
- the braking systems of FIGS. 1 and 2 can because of the advantageous
- hydroaulic interface can also be used advantageously (as a “driver assistance system”) for partially automated or automated braking of the vehicle / motor vehicle equipped with it.
- the two devices 18 and 20 can also be part of a system for automated or partially automated driving (comprising an autonomous or partially autonomous drive of the
- Vehicle / motor vehicle Even during a temporarily lack of responsibility on the part of the driver or during a complete absence of the driver, the vehicle / motor vehicle can be reliably used by means of the two
- FIG. 3 shows a coordinate system for explaining an embodiment of the method for transmitting at least one piece of information between two motorized pressure build-up devices of a brake system of a vehicle.
- a first motor of a first motorized pressure build-up device is controlled taking into account the respective information in such a way that, by operating the controlled first motor, a pressure p prevailing in at least a partial volume of the brake system is varied in accordance with a pressure change signal Dri, which for a
- Control device of the second motorized pressure build-up device using a pressure sensor device of the second motorized Pressure build-up device can be interpreted as the respective information.
- the pressure change signal Dri is in the coordinate system of FIG. 1b
- At least one sinusoidal signal can also be transmitted via the "hydraulic interface". This caused in at least the partial volume of the braking system
- Pressure change signal Dri is detected by means of the pressure sensor device of the second motorized pressure build-up device and one of the
- Pressure change signal corresponding sensor signal is by means of
- Pressure sensor device output to the control device The information corresponding to the output sensor signal is then read out by means of the control device.
- the method described here also brings about the advantages mentioned above.
- the method can also include the other operations described above. Examples of the motorized pressure build-up devices have already been listed above.
- the feasibility of the method described here is also not restricted to any specific brake system type of the brake system and to any special vehicle type / motor vehicle type of a vehicle / motor vehicle equipped with the brake system.
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Systems And Boosters (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018212637.2A DE102018212637A1 (en) | 2018-07-30 | 2018-07-30 | Control devices for motorized pressure builders and method for transmitting at least one information between two motorized pressure builders |
PCT/EP2019/069643 WO2020025373A1 (en) | 2018-07-30 | 2019-07-22 | Control devices for motorised pressurisation devices and method for transmitting at least one information item between two motorised pressurisation devices |
Publications (1)
Publication Number | Publication Date |
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EP3829945A1 true EP3829945A1 (en) | 2021-06-09 |
Family
ID=67620370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19752923.3A Withdrawn EP3829945A1 (en) | 2018-07-30 | 2019-07-22 | Control devices for motorised pressurisation devices and method for transmitting at least one information item between two motorised pressurisation devices |
Country Status (6)
Country | Link |
---|---|
US (1) | US11548488B2 (en) |
EP (1) | EP3829945A1 (en) |
JP (1) | JP7203191B2 (en) |
CN (1) | CN112512879B (en) |
DE (1) | DE102018212637A1 (en) |
WO (1) | WO2020025373A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20210033180A (en) * | 2019-09-18 | 2021-03-26 | 현대모비스 주식회사 | Apparatus for braking used electric booster and control method thereof |
FR3120338B1 (en) * | 2021-03-03 | 2024-02-16 | Foundation Brakes France | Braking system for motor vehicle |
DE102021204958A1 (en) * | 2021-05-17 | 2022-11-17 | Robert Bosch Gesellschaft mit beschränkter Haftung | Braking system and method for braking an at least two-axle vehicle |
DE102021207244A1 (en) | 2021-07-08 | 2023-01-12 | Robert Bosch Gesellschaft mit beschränkter Haftung | Control device for at least a first component of a system and control device for at least a second component of the same system for interaction with the control device |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5709438A (en) * | 1996-12-19 | 1998-01-20 | Robert Bosch Technology Corporation | Failed booster back-up braking system |
DE102007016948B3 (en) * | 2007-04-05 | 2008-08-28 | Fte Automotive Gmbh | Anti-lock hydraulic braking system, particularly for two wheeler rider, has wheel braking circuit with main braking cylinder, wheel braking cylinder and shifting valve |
DE102010001941A1 (en) * | 2010-02-15 | 2011-08-18 | Robert Bosch GmbH, 70469 | Method for operating a brake-boosted hydraulic brake system of a vehicle and control device for a brake-boosted hydraulic brake system of a vehicle |
DE102012212407A1 (en) * | 2012-07-16 | 2014-01-16 | Robert Bosch Gmbh | Method for operating hydraulic brake system for vehicle, involves outputting corresponding information and reassigning default values based on deviation of turning delay size measured at time from turning delay size measured at another time |
DE102013208671A1 (en) * | 2013-05-13 | 2014-11-13 | Robert Bosch Gmbh | Control device for at least one electric parking brake of a brake system of a vehicle and method for operating a brake system of a vehicle with a brake booster and an electric parking brake |
DE102015202337A1 (en) | 2015-02-10 | 2016-08-11 | Robert Bosch Gmbh | Control device and method for operating a braking system of a vehicle |
WO2016136671A1 (en) * | 2015-02-27 | 2016-09-01 | 日立オートモティブシステムズ株式会社 | Brake control device |
DE102015204757A1 (en) | 2015-03-17 | 2016-09-22 | Robert Bosch Gmbh | Method for the autonomous driving of a vehicle and control device for at least one brake booster of a brake system of a vehicle |
DE102016211982A1 (en) * | 2016-06-30 | 2018-01-04 | Robert Bosch Gmbh | Braking device for a vehicle |
DE102016224250A1 (en) * | 2016-12-06 | 2018-06-07 | Robert Bosch Gmbh | Control device and method for increasing at least one brake pressure in at least one wheel brake cylinder of a brake system of a vehicle |
-
2018
- 2018-07-30 DE DE102018212637.2A patent/DE102018212637A1/en active Pending
-
2019
- 2019-07-22 CN CN201980050674.3A patent/CN112512879B/en active Active
- 2019-07-22 US US17/049,797 patent/US11548488B2/en active Active
- 2019-07-22 WO PCT/EP2019/069643 patent/WO2020025373A1/en unknown
- 2019-07-22 EP EP19752923.3A patent/EP3829945A1/en not_active Withdrawn
- 2019-07-22 JP JP2021502902A patent/JP7203191B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP7203191B2 (en) | 2023-01-12 |
CN112512879B (en) | 2023-12-19 |
US11548488B2 (en) | 2023-01-10 |
US20210245721A1 (en) | 2021-08-12 |
CN112512879A (en) | 2021-03-16 |
WO2020025373A1 (en) | 2020-02-06 |
JP2021530400A (en) | 2021-11-11 |
DE102018212637A1 (en) | 2020-01-30 |
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