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公开(公告)号：US12115965B2
公开(公告)日：2024-10-15
申请号：US17590900
申请日：2022-02-02
发明人： Nick Sturm , Yong Deng , Kory Leesman , Joshua Rohman , John Osborne
IPC分类号： B60T8/176 , B60W10/04 , B60W10/184 , B60W10/196
CPC分类号： B60W10/184 , B60T8/176 , B60W10/04 , B60W10/196
摘要： A heavy-duty vehicle includes a chassis, a wheel supporting the chassis, a drive system, a service brake, a drive system controller, and a service brake controller. The drive system includes a motor associated with the wheel. The motor is configured to propel the wheel and to apply a dynamic brake torque to the wheel. The service brake is associated with the wheel and configured to apply a service brake torque to the wheel. The drive system controller controls operation of the motor. The drive system controller selectively modulates the dynamic brake torque to the wheel based on traction conditions. The service brake controller controls operation of the service brake. The service brake controller may selectively modulate the service brake torque to the wheel based on the traction conditions. Modulation of the dynamic brake torque may be disabled during modulation of the service brake torque.
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公开(公告)号：US12115961B2
公开(公告)日：2024-10-15
申请号：US17409939
申请日：2021-08-24
发明人： Pil Jun Kim
CPC分类号： B60T8/885 , B60T8/176 , B60T8/92 , B60T13/142 , B60T2270/10 , B60T2270/413
摘要： A method of controlling an electro-hydraulic brake system comprising a main brake unit and redundancy brake unit, the method comprising: determining a failure type of the main brake unit, the failure type being one of a plurality of failure types comprising: a sensor failure type comprising a failure occurred at a first sensor connected to the main brake unit; an independent wheel control failure type comprising a failure at the main brake unit to perform an independent wheel control; a hydraulic pressure generation failure type comprising a failure at the main brake unit to form a hydraulic pressure; and an inoperable failure type comprising the main brake being not controllable; and in response to determining that the failure type of the main brake unit is the sensor failure type or the independent wheel control failure type, causing the main brake unit to generate a braking force, in response to determining that the failure type of the main brake unit is the hydraulic pressure generation failure type or the inoperable type, causing the redundancy brake unit to generate a braking force.
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公开(公告)号：US12043228B2
公开(公告)日：2024-07-23
申请号：US17188288
申请日：2021-03-01
发明人： Blaise Joseph Ganzel
IPC分类号： B60T13/74 , B60T7/04 , B60T8/17 , B60T8/176 , B60T13/14 , B60T13/58 , B60T13/68 , B60T15/02 , B60T17/22 , G05D16/20 , H02K7/10 , H02K11/215 , H05K7/14
CPC分类号： B60T13/588 , B60T7/042 , B60T8/17 , B60T8/176 , B60T13/148 , B60T13/686 , B60T13/746 , B60T15/028 , B60T17/221 , G05D16/204 , H02K7/10 , H02K11/215 , H05K7/1432 , B60T2270/10 , B60T2270/402 , B60T2270/404 , B60T2270/406 , B60T2270/82
摘要： A brake system for actuating a pair of front wheel brakes and a pair of rear wheel brakes includes a reservoir and a deceleration signal transmitter. First and second power transmission units are configured for selectively providing pressurized hydraulic fluid during a braking event. The first power transmission unit actuates a selected one of the front wheel brakes and a selected one of the rear wheel brakes. The second power transmission unit actuates the other one of the front wheel brakes and the other one of the rear wheel brakes. First and second electronic control units control the first and second power transmission units. A pair of rear brake motors selectively electrically actuate rear wheel brakes. Multiplex control of each of the pairs of front and rear wheel brakes is provided by an arrangement of first and second parallel valves for each wheel brake.
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公开(公告)号：US20240227765A9
公开(公告)日：2024-07-11
申请号：US18530345
申请日：2023-12-06
发明人： Po-Hsien HUANG , Tzu-Chang WANG
CPC分类号： B60T15/028 , B60T8/1706 , B60T8/176 , B62L3/023 , F16K1/123 , F16K1/36 , B60T2270/10
摘要： The disclosure provides an anti-lock brake device including an oil pressure tank, a valve, and a movable component. The oil pressure tank has an accommodation space, an oil inlet channel, and an oil outlet channel connected to the accommodation space. The valve is slidably located in the oil inlet channel and for sealing or opening an oil inlet of the oil inlet channel. The movable component is located in the accommodation space and has a connecting channel corresponding to the oil inlet and an oil outlet of the oil outlet channel. When the movable component is slid to a depressurized position, the movable component is moved away from the valve for sealing the oil inlet, a first volume is produced between the connecting channel and the oil inlet, and a second volume, smaller than the first volume, is removed from between the connecting channel and the oil outlet.
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公开(公告)号：US12005881B2
公开(公告)日：2024-06-11
申请号：US17626387
申请日：2020-05-29
申请人： Robert Bosch GmbH
CPC分类号： B60T8/94 , B60T8/176 , B60T8/885 , B60T17/221 , B60T2270/413 , B60T2270/88
摘要： A method for the functional testing of a pressure generator assembly in an electronically slip-controllable power braking system having redundant brake pressure generation for an autonomously drivable motor vehicle. The method relates to carry out a regular test of the functional capacity of a secondary pressure generator assembly. A primary pressure generator assembly and the secondary pressure generator assembly are hydraulically connected, parallel to one another, to a brake circuit to which a wheel brake is connected. During the method, the wheel brake is decoupled from the brake circuit. At least one pressure generator of the primary pressure generator assembly, or a pressure generator of the secondary pressure generator assembly, is actuated in order to apply pressure to the brake circuit.
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公开(公告)号：US20240123965A1
公开(公告)日：2024-04-18
申请号：US18046766
申请日：2022-10-14
CPC分类号： B60T17/22 , B60Q9/00 , B60T8/176 , B60T13/683 , G01M3/26 , B60T2270/10 , B60T2270/88
摘要： The disclosure relates to a leak detection system for a pneumatic braking system of a vehicle. The pneumatic braking system has a control unit, a pneumatic circuit, and an air tank configured to supply pneumatic pressure to the pneumatic circuit. The pneumatic circuit has a plurality of valves configured to be individually controlled by the control unit. The link detection system includes program code configured, when executed by a processor, to individually control the valves of the pneumatic circuit so as to isolate a sub-circuit of the pneumatic circuit. The leak detection module is configured to monitor a pressure in the pneumatic circuit for leaks, wherein the leak detection module detects a leak in the sub-circuit if the pressure decreases while the sub-circuit is isolated.
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公开(公告)号：US11938912B2
公开(公告)日：2024-03-26
申请号：US16756156
申请日：2018-03-09
发明人： Falk Hecker , Adnan Mustapha , Oliver Jundt
IPC分类号： B60T13/68 , B60T7/04 , B60T7/12 , B60T8/17 , B60T8/176 , B60T8/32 , B60T8/92 , B60T13/02 , B60T13/26 , B60T13/66 , B60T13/74 , B60T17/22 , B60W30/18 , B60W50/10 , B60W60/00
CPC分类号： B60T8/17 , B60T7/042 , B60T7/12 , B60T8/176 , B60T8/327 , B60T8/92 , B60T13/02 , B60T13/268 , B60T13/662 , B60T13/74 , B60T17/221 , B60W30/18109 , B60W50/10 , B60W60/001 , B60T2240/00 , B60T2270/10 , B60T2270/402 , B60T2270/404 , B60T2270/413 , B60T2270/82 , B60W2510/182
摘要： A module for providing control signals for a brake system of a vehicle which has a supply source, including: at least one interface to be connected to a compressed-air source; at least one interface to transmit the control signals to at least one processing unit for the purposes of generating brake pressures; wherein the module is configured to be provided with a supply by a further supply source. Also described are a related redundancy system, an electronically controlled brake system, and a method.
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公开(公告)号：US11904829B2
公开(公告)日：2024-02-20
申请号：US17521943
申请日：2021-11-09
发明人： Lionel Farres , Martin Monnier
CPC分类号： B60T8/94 , B60T7/12 , B60T8/176 , B60T8/34 , B60T13/662 , B60T17/083 , B60T17/221 , B60T2240/00 , B60T2250/00 , B60T2250/03 , B60T2270/10 , B60T2270/402 , B60T2270/406 , B60T2270/413 , B60T2270/88
摘要： An electro-pneumatic brake system for an automotive vehicle comprising brake actuators each with a service brake chamber and a park brake chamber, a service brake system forming a pneumatic main deceleration system and comprising service brake lines configured to supply air pressure to the service brake chamber of the brake actuators, a park brake system forming a pneumatic immobilization system and a backup pneumatic deceleration system, and comprising park brake lines configured to supply air pressure to the park brake chamber of the brake actuators, wherein the park brake system comprises a pressure controller device configured to perform a wheel anti-locking function under a condition of the park brake system being used as a backup deceleration system, the pressure controller device being configured to control the air pressure supply in the park brake lines.
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公开(公告)号：US11872975B2
公开(公告)日：2024-01-16
申请号：US17330461
申请日：2021-05-26
发明人： Woo Hyun Hwang
CPC分类号： B60T8/92 , B60L7/26 , B60T8/171 , B60T8/176 , B60L15/2009 , B60T2270/602 , B60T2270/604
摘要： According to at least one embodiment, the present disclosure provides an electrohydraulic brake system including main brake assemblies, electronic parking brakes (EPBs), a main control unit, and a redundancy control unit (RCU). The main brake assemblies generate a braking force in one or more front wheels and one or more rear wheels of a vehicle. The electronic parking brakes (EPBs) generate a braking force to one of the front wheels and rear wheels. The main control unit is configured to control the operation of the main brake assembly. The redundancy control unit (RCU) is configured to control the operation of the electronic parking brake. Here, the redundancy control unit performs, upon determining that a malfunction occurs in a braking function of the main control unit, a slip control on the vehicle by using the electronic parking brake based on signals from one or more wheel speed sensors.
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公开(公告)号：US20230365105A1
公开(公告)日：2023-11-16
申请号：US18137507
申请日：2023-04-21
CPC分类号： B60T7/042 , B60T8/176 , G05G5/03 , B60T2270/82
摘要： A brake-by-wire system for a motor vehicle provides haptic feedback to the driver via the brake pedal in the event of an anti-lock braking. The brake system includes a brake pedal configured to receive a braking request from a driver driving the motor vehicle and to forward the request to a braking apparatus. The braking apparatus is configured to translate the braking request into a corresponding brake pressure and to transmit it to brake actuators. The brake pedal is further mechanically and/or hydraulically decoupled from the braking apparatus. The brake system has at least one mechanical actuator in the form of a unbalance motor and/or a magnetic plunger. The at least one mechanical actuator is connected to the brake pedal and is configured to induce the brake pedal to vibrate in the event of an anti-lock braking.
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