公开(公告)号：US3761140A

公开(公告)日：1973-09-25

申请号：US3761140D

申请日：1971-09-13

Applicant: BENDIX CORP

Inventor： SHIELDS M ,  LEWIS R ,  EWALD J

IPC: B60T8/40 ,  B60T8/1761 ,  B60T8/36 ,  B60T8/44 ,  B60T13/12 ,  B60T13/16 ,  B60T8/26

CPC classification number: B60T8/445 ,  B60T8/3675 ,  B60T8/441 ,  B60T13/165

Abstract: A hydraulic adaptive braking system is disclosed which uses a single fluid to both actuate the brakes of the vehicle and to provide a power assist to the vehicle operator when the brakes are applied. The system includes a brake booster which utilizes pressurized fluid from the vehicle''s power steering pump to develop braking pressure which is communicated to the brakes of the vehicle. Adaptive braking valve means are located in both the front and the rear brake lines and include electrically operated valve means which control fluid communication between the booster, the brakes of the vehicle and a fluid reservoir. When an incipient skid condition is sensed, the electrically operated valve means terminate fluid communication between the booster and the vehicle''s brakes, and then initiates communication between the vehicle''s brakes and the aforementioned reservoir to permit braking pressure at the brakes of the vehicle to decay. When the incipient skid condition terminates, the electrically operated valve means again communicates braking pressure to the vehicle''s brakes.

Abstract translation: 公开了一种液压自适应制动系统，其使用单个流体来致动车辆的制动器，并且当施加制动器时向车辆操作者提供动力辅助。 该系统包括制动助力器，其利用来自车辆的动力转向泵的加压流体产生传递到车辆的制动器的制动压力。 自适应制动阀装置位于前后制动管路中，并且包括电动阀装置，其控制助力器，车辆的制动器和流体储存器之间的流体连通。 当检测到初始的滑行条件时，电动阀装置终止升压器与车辆的制动器之间的流体连通，然后启动车辆的制动器和上述的贮存器之间的连通，以允许在车辆的制动器处的制动压力衰减。 当初始滑行条件终止时，电动阀装置再次将制动压力与车辆制动器连通。

公开(公告)号：US3801160A

公开(公告)日：1974-04-02

申请号：US3801160D

申请日：1972-11-24

Applicant: BENDIX CORP

Inventor： SCHAFER T ,  SHIELDS M

IPC: B60T8/40 ,  B60T8/42 ,  B60T8/06

CPC classification number: B60T8/4233 ,  Y10T137/7778

Abstract: An adaptive braking modulator is disclosed which includes a housing defining a bore therewithin and a piston slidably mounted in the bore which defines a pair of chambers between opposite ends of the piston and corresponding ends of the bore. One of the chambers is communicated to the vehicle''s master cylinder, and the other chamber is communicated to the vehicle''s fluid pressure actuated brakes. A passage extends through the piston to communicate one of the chambers with the other chambers, and a check valve is provided in the passage to control flow of fluid therethrough. An actuating stem extends from the check valve and projects from one end of the piston. The actuating rod maintains the check valve open when the one end of the piston is urged into engagement with the corresponding end of the bore. A spring is provided to assist fluid pressure in the bore to urge the one end of the piston toward the corresponding end of the bore. A fluid motor is provided which is adapted to urge the piston away from the end of the bore. An electrically operated valve is responsive to a signal from the logic controller of the adaptive braking system to communicate fluid pressure to the fluid motor when an incipient skidding condition is sensed, so that the fluid motor urges the piston away from the end of the bore when an adaptive braking cycle is initiated. As the piston moves away from the end of the bore, the check valve closes to thereby terminate fluid communication between the chambers, and thereafter expands the volume of the chamber communicating with the vehicle''s brake actuators to thereby reduce the fluid pressure level in the latter.

Abstract translation: 公开了一种自适应制动调制器，其包括限定其中的孔的壳体和可滑动地安装在孔中的活塞，其在活塞的相对端部和孔的对应端部之间限定一对室。 其中一个室被传送到车辆的主缸，另一个室与车辆的液压致动制动器连通。 通道延伸穿过活塞以将其中一个腔室与另一个腔室连通，并且在通道中设置止回阀以控制流体流过其中。 致动杆从止回阀延伸并从活塞的一端突出。 当活塞的一端被推动与孔的相应端接合时，致动杆保持止回阀打开。 提供弹簧以帮助孔中的流体压力将活塞的一端推向孔的对应端部。 提供流体马达，其适于将活塞推动远离孔的端部。 电动阀响应于来自自适应制动系统的逻辑控制器的信号，以在检测到初始的打滑条件时将流体压力传递到流体马达，使得流体马达在活塞远离孔的端部时促使活塞远离孔的端部， 启动自适应制动循环。 当活塞离开孔的端部时，止回阀关闭，从而终止腔室之间的流体连通，并且此后扩大与车辆的制动致动器连通的腔室的体积，从而降低后者中的流体压力水平。

公开(公告)号：US3795423A

公开(公告)日：1974-03-05

申请号：US3795423D

申请日：1972-09-18

Applicant: BENDIX CORP

Inventor： SHIELDS M ,  JACKSON D

IPC: B60T8/48 ,  B60T8/1761 ,  B60T8/26 ,  B60T11/34 ,  B60T13/16 ,  B60T8/12

CPC classification number: B60T8/26 ,  B60T11/34 ,  B60T13/161

Abstract: An adaptive braking system for an automotive vehicle is disclosed which permits the proportioning unit valve commonly used in vehicle braking systems to also function as the adaptive braking modulator. The device provides a fluid motor which engages the proportioning piston and urges the latter into sealing engagement with the poppet member to prevent fluid communication to the brakes of the vehicle when an adaptive braking cycle has initiated. Thereafter, the fluid motor continues to urge the proportioning piston in a direction enlargening the outlet chamber of the proportioning valve, to thereby reduce the fluid pressure level communicated to the vehicle brakes. An electrically actuated solenoid valve is responsive to an output signal from an electronic control unit when an adaptive braking cycle is initiated to communicate fluid pressure to the fluid motor for operating the latter.

Abstract translation: 公开了一种用于机动车辆的自适应制动系统，其允许在车辆制动系统中常用的配比单元阀也用作自适应制动调制器。 该装置提供了一种流体马达，其接合比例活塞并促使后者与提升构件密封接合，以防止当自适应制动循环已经开始时与车辆的制动器的流体连通。 此后，流体马达继续沿着扩大比例阀的出口室的方向推动配比活塞，从而降低与车辆制动器通信的流体压力水平。 当启动自适应制动循环以将流体压力传送到流体马达以操作后者时，电动电磁阀响应于来自电子控制单元的输出信号。