公开(公告)号：US20040017105A1

公开(公告)日：2004-01-29

申请号：US10615833

申请日：2003-07-10

Applicant: ADVICS CO., LTD.

Inventor： Kenichi Suzuki ,  Kyosuke Hata ,  Yoshihiko Tada

IPC: B60T008/40

CPC classification number: F15B1/22 ,  B60T13/148 ,  F15B2201/205 ,  F15B2201/312 ,  F15B2201/3153 ,  F15B2201/32 ,  F15B2201/411 ,  F15B2201/413 ,  F15B2201/415 ,  F16L55/053 ,  F16L55/055

Abstract: A hydraulic circuit includes an accumulator having an inflow passage which introduces a hydraulic fluid which is discharged from a hydraulic pump into a hydraulic fluid chamber and a discharge passage which discharges the hydraulic fluid from the hydraulic fluid chamber to a hydraulic actuator. The hydraulic circuit includes a valve mechanism which restricts the supply of hydraulic fluid from the hydraulic fluid chamber to the hydraulic actuator when the pressure in the hydraulic fluid chamber is less than a set pressure and which releases the restriction of the supply of hydraulic fluid to the hydraulic actuator when the pressure in the hydraulic fluid chamber is at least the set pressure. The valve mechanism may be installed inside the accumulator.

Abstract translation: 液压回路包括具有将从液压泵排出的液压流体引入液压流体室的流入通路的蓄压器和将液压流体从液压流体室排出到液压致动器的排出通路。 液压回路包括一个阀机构，当液压流体室中的压力小于设定压力时，该阀机构限制液压流体从液压流体腔向液压致动器的供应，并释放液压流体供应到 当液压流体室中的压力至少为设定压力时，液压致动器。 阀机构可以安装在蓄能器内部。

公开(公告)号：US20040074714A1

公开(公告)日：2004-04-22

申请号：US10660724

申请日：2003-09-12

Applicant: ADVICS CO., LTD.

Inventor： Shigemitsu Nohira ,  Satoshi Kaminaka ,  Kyosuke Hata

IPC: B60T011/10

CPC classification number: B60T13/145

Abstract: The present invention is directed to a hydraulic brake apparatus capable of reducing a hysteresis caused by increase and decrease of braking input force, wherein a regulator chamber is defined ahead of a control piston, and a counter-force pressure chamber is defined to communicate with the regulator chamber. An auxiliary pressure source is provided for supplying hydraulic brake pressure to the counter-force pressure chamber, to move a pressure increase valve and a pressure decrease valve in a direction opposite to a direction thereof moved by the control piston. A first check valve is provided for normally preventing the flow of brake fluid from the counter-force pressure chamber to the regulator chamber, and allowing the reverse flow of brake fluid when the pressure in the regulator chamber has become equal to or more than the pressure in the counter-force pressure chamber by a first predetermined pressure. And, a second check valve is provided for normally preventing the flow of brake fluid from the regulator chamber to the counter-force pressure chamber, and allowing the reverse flow of brake fluid when the pressure in the counter-force pressure chamber has become equal to or more than the pressure in the regulator chamber by a second predetermined pressure, which is set to be greater than the first predetermined pressure.

Abstract translation: 本发明涉及一种液压制动装置，其能够减少由于制动输入力的增减而引起的滞后，其中调节器室被限定在控制活塞的前方，并且反力压力室被限定为与 调节室。 提供辅助压力源，用于向反作用压力室供应液压制动压力，以使其与其控制活塞的方向相反的方向移动增压阀和减压阀。 提供第一止回阀，用于正常地防止制动流体从反力压力室流到调节器室，并且当调节器室中的压力变得等于或大于压力时允许制动流体的反向流动 在反力压力室中以第一预定压力。 并且，提供第二止回阀，用于正常地防止制动流体从调节器室流向反作用力压力室，并且当反力压力室中的压力已经变得等于 或大于调节器室中的压力，该第二预定压力被设定为大于第一预定压力。