公开(公告)号：US4887869A

公开(公告)日：1989-12-19

申请号：US259775

申请日：1988-10-19

申请人： Michiharu Nishii ,  Genji Mizuno ,  Yoshihiko Tada ,  Yoshihisa Nomura ,  Masahiko Kato ,  Kenji Shirai ,  Junichi Tanoue

发明人： Michiharu Nishii ,  Genji Mizuno ,  Yoshihiko Tada ,  Yoshihisa Nomura ,  Masahiko Kato ,  Kenji Shirai ,  Junichi Tanoue

IPC分类号： B60T8/1761 ,  B60T8/44 ,  B60T8/94 ,  B60T13/12 ,  B60T13/14

CPC分类号： B60T8/44 ,  B60T13/146 ,  B60T8/446 ,  B60T8/94

摘要： A pair of spaced apart large-diameter and small-diameter lands between which a fluid chamber is defined are formed on a second piston in a tandem cylinder to which an anti-skid device is added. Booster pressure is applied to the fluid chamber to act on the large-diameter land in a manner fluidly locking the second piston against movement despite a reduction in pressure in the first and second pressure chambers during operation of the anti-skid device. As a result, the movement of the brake pedal in the normal direction of depression is prevented when the anti-skid devices operates.

摘要翻译： 一对间隔开的大直径和小直径的平台，其间限定有流体室，在串联气缸中的第二活塞上形成有防滑装置。 尽管在防滑装置的操作期间第一压力室和第二压力室中的压力降低，加压压力被施加到流体室以以流体地锁定第二活塞的方式作用在大直径区域上。 结果，当防滑装置工作时，防止制动踏板在正常方向的运动。

公开(公告)号：US4874207A

公开(公告)日：1989-10-17

申请号：US214373

申请日：1988-06-27

申请人： Michiharu Nishii ,  Masamoto Ando ,  Yoshihiko Tada

发明人： Michiharu Nishii ,  Masamoto Ando ,  Yoshihiko Tada

IPC分类号： B60T8/44 ,  B60T8/48 ,  B60T13/14 ,  B60T13/52

CPC分类号： B60T8/4836 ,  B60T13/147 ,  B60T13/52 ,  B60T8/44 ,  B60T8/4827

摘要： A hydraulic braking system for an automotive vehicle having a power source for generating a hydraulic power pressure, a reservoir, a master cylinder, a regulator and a plurality of wheel brake cylinders for braking respective road wheels, which are divided into a first group of wheel brake cylinders communicated with the master cylinder and a second group of wheel brake cylinders communicated with the regulator. The regulator has a housing defining therein a regulator chamber for introducing the hydraulic power pressure thereinto from the power source and regulating the hydraulic power pressure into a regulated hydraulic pressure in response to the hydraulic braking pressure generated in the master cylinder, and which is positioned in substantially coaxial relationship with the master cylinder and responsive mechanically to depression of a brake pedal. Accordingly, the regulator normally generates the regulated hydraulic pressure in response to the hydraulic braking pressure generated in the master cylinder, whereas it generates a hydraulic pressure in response to depression of the brake pedal when the hydraulic braking pressure is less than a predetermined value.

摘要翻译： 一种用于机动车辆的液压制动系统，其具有用于产生液压动力的动力源，储存器，主缸，调节器和用于制动各个车轮的多个车轮制动缸，所述车轮制动缸被分成第一组车轮 与主缸连通的制动缸和与调节器连通的第二组车轮制动缸。 调节器具有壳体，其中限定有用于从动力源引入液压动力压力的调节器室，并且响应于在主缸中产生的液压制动压力将液压动力压力调节到调节液压中，并且位于 与主气缸基本上同轴的关系，并且机械地响应于制动踏板的下压。 因此，调节器通常响应于主缸中产生的液压制动压力而产生调节的液压，而当液压制动压力小于预定值时响应于制动踏板的下压而产生液压。

公开(公告)号：US4848853A

公开(公告)日：1989-07-18

申请号：US259743

申请日：1988-10-19

申请人： Genji Mizuno ,  Michiharu Nishii ,  Yoshihiko Tada ,  Yoshihisa Nomura ,  Masahiko Kato ,  Kenji Shirai ,  Junichi Tanoue

发明人： Genji Mizuno ,  Michiharu Nishii ,  Yoshihiko Tada ,  Yoshihisa Nomura ,  Masahiko Kato ,  Kenji Shirai ,  Junichi Tanoue

IPC分类号： B60T8/44 ,  B60T8/48 ,  B60T8/94 ,  B60T13/14

CPC分类号： B60T8/94 ,  B60T13/146 ,  B60T8/445 ,  B60T8/4836

摘要： A hydraulic brake system includes a master cylinder for generating a brake fluid pressure in response to a brake pedal, a power fluid source for generating a power fluid pressure by increasing a brake fluid to a predetermined pressure. A dynamic fluid pressure control apparatus supplies the brake fluid pressure to regulate the power fluid pressure from the power fluid pressure source in response to the brake pedal. A plurality of wheel cylinders of each wheel for the vehicle are fluidically communicated with a dynamic fluid pressure control apparatus and the master cylinder via a fluid passage separated into plural control systems. A first changeover valve fluidically and selectively communicates at least one system of the wheel cylinder with one of the dynamic fluid pressure control apparatus and the master cylinder and a control valve disposed in a fluid passage communicates the first changeover valve and the wheel cylinder controls the brake fluid pressure supplied to the wheel cylinder by opening and closing the fluid passage in accordance with the slip state of the wheel upon braking. A control circuit controls the actuation of the control valve and the first changeover valve, and a second changeover valve is disposed in a fluid passage fluidically communicating the first changeover valve and the dynamic fluid pressure control apparatus and selectively communicates the fluid passage with one of the dynamic fluid pressure control apparatus and the power fluid pressure source.

摘要翻译： 液压制动系统包括用于响应于制动踏板产生制动液压力的主缸，用于通过将制动液增加到预定压力来产生动力流体压力的动力流体源。 动态流体压力控制装置响应于制动踏板供应制动液压力以调节来自动力流体压力源的动力流体压力。 用于车辆的每个车轮的多个车轮缸通过分离成多个控制系统的流体通道与动态流体压力控制装置和主缸流体连通。 第一切换阀流动地且选择性地将轮缸的至少一个系统与动态流体压力控制装置和主缸中的一个连通，并且设置在流体通道中的控制阀连通第一转换阀，并且轮缸控制制动器 通过在制动时根据车轮的滑动状态打开和关闭流体通道，向液压缸提供流体压力。 控制电路控制控制阀和第一转换阀的致动，并且第二转换阀设置在与第一转换阀和动态流体压力控制装置流体连通的流体通道中，并且将流体通道与 动态流体压力控制装置和动力流体压力源。

公开(公告)号：US07152931B2

公开(公告)日：2006-12-26

申请号：US10615833

申请日：2003-07-10

申请人： Kenichi Suzuki ,  Kyosuke Hata ,  Yoshihiko Tada

发明人： Kenichi Suzuki ,  Kyosuke Hata ,  Yoshihiko Tada

IPC分类号： B60T17/04 ,  F16L55/04

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

摘要： 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.

摘要翻译： 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：US5052182A

公开(公告)日：1991-10-01

申请号：US282567

申请日：1988-12-12

申请人： Michiharu Nishii ,  Genji Mizuno ,  Yoshihiko Tada ,  Yoshihisa Nomura ,  Masahiko Kato ,  Kenji Shirai ,  Junichi Tanoue

发明人： Michiharu Nishii ,  Genji Mizuno ,  Yoshihiko Tada ,  Yoshihisa Nomura ,  Masahiko Kato ,  Kenji Shirai ,  Junichi Tanoue

IPC分类号： B60T13/12 ,  B60T13/14

CPC分类号： B60T13/145

摘要： A tandem master brake cylinder has first and second pistons, each piston associated with a fluid chamber and a pressure chamber. The pistons are displaced in response to actuation of a brake pedal. A hydraulic booster is coupled to a power source and is operable to enhance the piston movement and for conducting pressurized fluid to a second of the fluid chambers associated with a second piston to displace that piston in a manner reducing the volume of the pressure chamber associated with the first piston. In the event that a negative pressure is communicated with the second fluid chamber, e.g. by a loss of pressurized fluid from the power source, brake fluid is supplied through a one-way check valve to the second fluid chamber to prevent the negative pressure from reversing the motion of the second piston.

摘要翻译： 串联主制动缸具有第一和第二活塞，每个活塞与流体室和压力室相关联。 响应于制动踏板的致动，活塞被移动。 液压助力器联接到动力源并且可操作以增强活塞运动并将加压流体传导到与第二活塞相关联的第二个流体室，以便以减小与压力室相关联的压力室的体积的方式移动该活塞 第一个活塞。 在负压与第二流体室连通的情况下，例如， 通过来自动力源的加压流体的损失，制动流体通过单向止回阀供给到第二流体室，以防止负压反转第二活塞的运动。

公开(公告)号：US4940290A

公开(公告)日：1990-07-10

申请号：US230877

申请日：1988-08-11

申请人： Michiharu Nishii ,  Yoshihiko Tada ,  Genji Mizuno

发明人： Michiharu Nishii ,  Yoshihiko Tada ,  Genji Mizuno

IPC分类号： B60T13/14

CPC分类号： B60T13/146

摘要： A hydraulic braking system for controlling the hydraulic pressure of the brake actuator and wheel cylinders includes a dynamic hydraulic pressure control system which transmits boosted hydraulic pressure in response to movement of a brake pedal. A master cylinder receives brake fluid pressure from a reservoir and transmits the fluid pressure from a pressure chamber in the master cylinder to a changeover valve. The changeover valve changes over the connection between wheel cylinders of the vehicle and the dynamic hydraulic pressure control system when the powered pressure which is transmitted from the dynamic hydraulic pressure control system is less than a predetermined pressure. A valve member of the changeover valve is movable between a first and second position so as to transmit the powered hydraulic fluid from the boost pressure chamber to the wheel cylinders of the rear wheels in a first position and block the transmission of the fluid in the second position.

摘要翻译： 用于控制制动致动器和轮缸的液压的液压制动系统包括动态液压控制系统，其响应于制动踏板的运动传递增压的液压。 主缸从储存器接收制动液压力，并将流体压力从主缸中的压力室传递到转换阀。 当从动态液压控制系统传递的动力压力小于预定压力时，切换阀在车辆的轮缸与动态液压控制系统之间的连接上改变。 切换阀的阀构件可在第一位置和第二位置之间移动，以将动力液压流体从增压压力室传递到后轮的轮缸，并阻止第二位置中的流体的传递 位置。

公开(公告)号：US4892361A

公开(公告)日：1990-01-09

申请号：US231439

申请日：1988-08-12

申请人： Michiharu Nishii ,  Yoshihiko Tada

发明人： Michiharu Nishii ,  Yoshihiko Tada

IPC分类号： B60T13/12 ,  B60T13/14

CPC分类号： B60T13/145

摘要： A hydraulic brake booster is provided which actuates a master cylinder by a hydraulic power pressure supplied from a power source in response to an input rod connected to a brake pedal. The arrangement includes a housing connected to the master cylinder, a power piston slidably disposed in a boost chamber which defined in the housing and transmitting a boost force which is generated in response to the input rod. A hydraulic pressure control valve is provided which has a valve body moved between a power position communicated with the power source and an initial position communicated with a reservoir in the boost chamber on an axis extending substantially in parallel with a sliding axis of the power piston. A control lever engages with the valve body of the hydraulic pressure control valve at its one end and engages with the power piston at its other end. A support lever is pivotally connected with the input rod at one end and a support member installed to the housing pivotally movable and regulating at least the initial position of the valve body of the hydraulic pressure control valve through the one end of the control lever.

摘要翻译： 提供了液压制动助力器，其响应于连接到制动踏板的输入杆，通过从电源供应的液压动力来致动主缸。 该装置包括连接到主缸的壳体，可滑动地设置在增压室中的动力活塞，其被限定在壳体中并传递响应于输入杆而产生的增压力。 提供了一种液压控制阀，其具有在与动力源连通的动力位置之间移动的阀体和在基本上与动力活塞的滑动轴线平行延伸的轴线上与升压室中的储存器连通的初始位置。 控制杆在其一端与液压控制阀的阀体接合，并在其另一端与动力活塞接合。 支撑杆在一端与输入杆枢转地连接，并且支撑构件安装到壳体上可枢转地运动，并且至少通过控制杆的一端调节液压控制阀的阀体的初始位置。