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公开(公告)号：US3729235A
公开(公告)日：1973-04-24
申请号：US3729235D
申请日：1971-09-03
Applicant: BENDIX CORP
CPC classification number: B60T8/447 , B60T8/328 , B60T8/4004 , B60T13/143
Abstract: A vehicle hydraulic braking system is disclosed which includes a single device which not only provides a power assist to the vehicle operator when the brakes are applied, but also serves as an adaptive braking modulator. The device includes a housing defining a pressure chamber therewithin, and a number of pistons, one piston for each control channel of the adaptive braking system, which are slidably mounted within the chamber. When the vehicle operator effects a brake application, a valve within the housing admits high pressure fluid from a pressure source into the pressure chamber for urging the pistons in a brake-applying direction. However, when the adaptive braking system senses an incipient skid condition at one of the vehicle''s wheels, pressures are equalized on the opposite ends of a corresponding one of the pistons, to thereby permit a spring to yieldably urge the piston in a brake release direction, thereby relieving the braking pressure in the affected brake.
Abstract translation: 公开了一种车辆液压制动系统，其包括单个装置，其不仅在施加制动器时为车辆操作者提供动力辅助，而且还用作自适应制动调制器。 该装置包括在其中限定压力室的壳体和多个活塞，自适应制动系统的每个控制通道的一个活塞，其可滑动地安装在腔室内。 当车辆操作者执行制动施加时，壳体内的阀允许从压力源进入压力室的高压流体用于在制动施加方向上推动活塞。 然而，当自适应制动系统感测到车辆中的一个车轮处的初始滑动状态时，在相应的一个活塞的相对端上的压力相等，从而允许弹簧可靠地在制动释放方向上推动活塞， 从而减轻受影响制动器中的制动压力。
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公开(公告)号：US3751912A
公开(公告)日：1973-08-14
申请号：US3751912D
申请日：1972-02-10
Applicant: BENDIX CORP
Inventor： BACH L
CPC classification number: F15B1/02 , B60T13/12 , B60T13/143
Abstract: A hydraulic brake booster is disclosed which provides a power assist to the vehicle operator when the operator applies the vehicle''s brakes. The brake booster includes a first valve which restricts flow of fluid through the vehicle''s hydraulic system to develop back pressure in the latter, thereby providing a source of fluid pressure which is used to operate the booster. A back-up fluid supply is provided which is stored in a conventional fluid pressure accumulator. A second valve within the booster housing is actuated when a malfunction prevents normal development of fluid pressure in the booster. When this occurs, the second valve is opened to communicate the high pressure fluid stored in the accumulator into the booster to provide the power assist. A charging valve is also provided in the vehicle''s hydraulic system which is adapted to develop back pressure in the latter to communicate at least a portion of the fluid flowing through the system into the accumulator to charge the latter when the hydraulic system functions normally.
Abstract translation: 公开了一种液压制动助力器，其在驾驶员施加车辆的制动时向车辆操作者提供动力辅助。 制动助力器包括第一阀，其限制流体流过车辆的液压系统以在后者中产生背压，从而提供用于操作增压器的流体压力源。 提供了备用流体供应源，其被储存在常规的流体压力蓄能器中。 当故障防止助力器中的流体压力的正常发展时，助力器壳体内的第二阀被致动。 当这种情况发生时，第二阀打开以将存储在蓄能器中的高压流体传递到助力器中以提供动力辅助。 在车辆的液压系统中还设置有充气阀，该充气阀适于在后者中产生背压，以将流经系统的流体的至少一部分连通到蓄能器中，以在液压系统正常工作时对其进行充气。
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公开(公告)号：US3724332A
公开(公告)日：1973-04-03
申请号：US3724332D
申请日：1972-02-10
Applicant: BENDIX CORP
Inventor： BACH L
CPC classification number: B60T13/162
Abstract: A pressure limiting device for a hydraulic brake booster is disclosed which limits the fluid pressure level in the pressure chamber of the booster to a predetermined maximum level. The pressure limiter includes a differential pressure responsive piston which shifts into engagement with the end of the spool valve used to control communication between the booster pressure chamber and a pressure source when the pressure level in the pressure chamber attains the predetermined maximum value. After the piston engages the end of the spool valve, the latter may not be shifted further from the brake release position to admit higher fluid pressures into the pressure chamber.
Abstract translation: 公开了用于液压制动助力器的压力限制装置，其将增压器的压力室中的流体压力水平限制到预定的最大水平。 压力限制器包括差压响应活塞，当压力室中的压力水平达到预定最大值时，该压差响应活塞转换成与用于控制增压压力室和压力源之间的连通的滑阀端部接合。 在活塞接合滑阀的端部之后，后者可能不会从制动器释放位置进一步移动，以允许更高的流体压力进入压力室。
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Patent Agency Ranking
公开(公告)号：US3747473A
公开(公告)日：1973-07-24
申请号：US3747473D
申请日：1971-03-18
Applicant: BENDIX CORP
CPC classification number: B60T13/144
Abstract: A hydraulic brake booster is disclosed which includes a housing defining a bore therewithin, a boost piston which is slidably mounted in the bore and cooperates with one end of the latter to define a pressure chamber between the piston and the end of the bore, and a valve which controls fluid communication between a pressure source and the pressure chamber. A valve actuation rod is controlled by the vehicle operator and includes an inner member for operating the valve and an outer member which is responsive to the fluid pressure level in the chamber to transmit reaction forces to the vehicle operator, thereby providing brake ''''feel''''. The outer member is effective to transmit reaction forces only when the pressure level in the pressure chamber exceeds a predetermined value. Therefore, when the vehicle operator initially applies the brakes of the vehicle, only a very small reaction force will be transmitted through the valve operating rod. However, when the pressure level in the pressure chamber exceeds the predetermined value, a substantially greater portion of the force generated by the fluid pressure in the pressure chamber is transmitted to the vehicle operator.
Abstract translation: 公开了一种液压制动助力器，其包括在其中限定孔的壳体，可滑动地安装在孔中并与其中的一端协作以在活塞和孔的端部之间限定压力室的升压活塞，以及 阀，其控制压力源和压力室之间的流体连通。 阀致动杆由车辆操作者控制，并且包括用于操作阀的内部构件和响应于室中的流体压力水平以将反作用力传递到车辆操作者的外部构件，从而提供制动“感觉”。 外部构件仅在压力室中的压力水平超过预定值时有效地传递反作用力。 因此，当车辆操作者最初施加车辆的制动器时，只有非常小的反作用力将通过阀操作杆传递。 然而，当压力室中的压力水平超过预定值时，由压力室中的流体压力产生的大部分力被传递给车辆操作者。
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公开(公告)号：US3733968A
公开(公告)日：1973-05-22
申请号：US3733968D
申请日：1971-10-01
Applicant: BENDIX CORP
Inventor： BACH L
CPC classification number: B60T13/162
Abstract: A hydraulic boost device for brakes having a housing with a bore therein in communication with an inlet and an outlet. A booster piston is slidably received in the housing so that one end of the piston communicates with a pressure chamber which is in fluid communication with the bore. Valve means is slidably located in the bore for controlling fluid communication between the inlet, outlet and pressure chamber. Brake pedal operated means including a push rod and ratio changer levers are interconnected with the booster piston and the valve means so that brake pedal and push rod travel during a normal braking operation with hydraulic power assist will always be at some predetermined ratio to piston travel. Should a hydraulic failure occur in the boost device during a brake application, means effectively restricts push rod movement with respect to the booster piston thereby minimizing pedal travel.
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公开(公告)号：US3719044A
公开(公告)日：1973-03-06
申请号：US3719044D
申请日：1971-08-18
Applicant: BENDIX CORP
Inventor： BACH L
CPC classification number: B60T13/162 , B60T13/148
Abstract: A hydraulic brake booster is disclosed which is normally operated by fluid pressure delivered to the booster from the vehicle''s power steering pump. However, an auxiliary fluid supply is also provided which delivers pressurized fluid to the booster when the vehicle''s power steering pump fails to operate, due either to a malfunction of the latter or to termination of operation of the vehicle''s engine while the vehicle is in motion. The auxiliary fluid supply includes an accumulator which is charged by pressurized fluid from the power steering pump while the latter operates normally. A conduit is provided which communicates the accumulator directly into the booster pressure chamber. A control valve is provided which controls communication of fluid from the accumulator to the pressure chamber. The control valve is operated by the operator-operated spool which also controls fluid communication between the power steering pump and the booster upon actuation of the spool valve after operation of the power steering pump terminates. The control valve is responsive to the fluid pressure level in the pressure chamber such that the control valve remains closed as long as high pressure fluid exists in the pressure chamber, but may be easily operated when a relatively low pressure level exists in the pressure chamber.
Abstract translation: 公开了一种液压制动助力器，其通常由从车辆的动力转向泵输送到助力器的流体压力操作。 然而，还提供了一种辅助流体供应，其在车辆的动力转向泵不能操作时将加压流体输送到升压器，这是由于在车辆运动时后者的故障或者终止了车辆的发动机的操作。 辅助流体供应装置包括蓄能器，该蓄能器由来自动力转向泵的加压流体充电，而后者操作正常。 提供了将蓄能器直接连接到增压压力室的导管。 提供控制阀，其控制从蓄能器到压力室的流体的连通。 控制阀由操作者操作的阀芯操作，操作者操作的阀芯还在动力转向泵的操作终止之后控制滑阀动作时控制动力转向泵和升压器之间的流体连通。 控制阀响应于压力室中的流体压力水平，使得只要在压力室中存在高压流体，控制阀保持关闭，但是当在压力室中存在相对低的压力水平时，控制阀可以容易地操作。
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公开(公告)号：US3712177A
公开(公告)日：1973-01-23
申请号：US3712177D
申请日：1970-09-21
Applicant: BENDIX CORP
CPC classification number: B60T13/144
Abstract: A hydraulic brake booster is disclosed which includes a housing in fluid communication with a fluid pressure source and with a reservoir. A piston is slidably mounted in the housing, and valve means are provided to selectively admit fluid from the fluid pressure source to one side of the piston for shifting the latter within the housing to apply the brakes of the vehicle. Operatoractuated means are provided for controlling the valve means. Movement of the piston within the housing progressively pressurizes a deformable rubber member disposed adjacent one end of the piston. A plunger is provided that senses a proportional amount of the pressurization of the deformable member and transmits a corresponding force to the operator-actuated means, opposing movement of the latter, to thereby provide braking ''''feel'''' to the vehicle operator.
Abstract translation: 公开了一种液压制动助力器，其包括与流体压力源和储存器流体连通的壳体。 活塞可滑动地安装在壳体中，并且提供阀装置以选择性地将流体从流体压力源允许到活塞的一侧，以将其移动到壳体内以施加车辆的制动器。 提供操作器致动装置用于控制阀装置。 活塞在壳体内的运动逐渐加压邻近活塞一端设置的可变形橡胶件。 提供了一种柱塞，其感测可变形构件的加压的比例量，并将相应的力传递给操作者致动的装置，与之相反的运动，从而为车辆操作者提供制动“感觉”。
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公开(公告)号：US3707880A
公开(公告)日：1973-01-02
申请号：US3707880D
申请日：1970-12-18
Applicant: BENDIX CORP
Inventor： BACH L
CPC classification number: B60T13/144
Abstract: A brake applying mechanism having a chamber with inlet and outlet ports, a piston slidably arranged in the chamber and a valve to be controlled by an operator for admitting fluid under pressure from the inlet to thereby act on the piston in such a manner as to cause it to advance in the chamber. The piston is returned from the position to which it advanced under fluid pressure by a return mechanism normally opposing advance of the piston. Upon failure of inlet fluid pressure the piston can be advanced manually by the operator unopposed by the return mechanism which is now rendered ineffective.
Abstract translation: 一种制动施加机构，其具有具有入口和出口的室，可滑动地布置在室中的活塞和由操作者控制的阀，用于在入口处承受压力的流体，从而以致于 它在房间里前进。 活塞从其在流体压力下前进的位置返回，通过与活塞正前方相反的返回机构返回。 在入口流体压力失效时，可以由操作者手动提前移动活塞，使其不会被现在无效的返回机构所抵抗。
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