公开(公告)号：US4030758A

公开(公告)日：1977-06-21

申请号：US669876

申请日：1976-03-24

申请人： Yoshihiro Hayashida

发明人： Yoshihiro Hayashida

IPC分类号： B60T13/14 ,  B60T17/22 ,  B60T15/46

CPC分类号： B60T13/141 ,  B60T17/226

摘要： Dual system hydraulic braking apparatus for a vehicle comprising a piston slidable in a cylinder, the opposite ends of the piston being adapted to engage with either of two valve seats disposed on the opposite ends of the cylinder to stop fluid flow therethrough when the piston moves, the valve seats being connected respectively to two separate braking circuits, each chamber defined between each end of the cylinder and the adjacent end of the piston being connected to a hydraulic pump through respective check valve, the piston being biased to the central position by springs disposed in the chambers.

摘要翻译： 用于车辆的双系统液压制动装置包括可在气缸中滑动的活塞，活塞的相对端适于与设置在气缸的相对端上的两个阀座中的任一个接合，以当活塞移动时阻止流体流过其中， 阀座分别连接到两个单独的制动回路，限定在气缸的每个端部和活塞的相邻端之间的每个腔室通过相应的止回阀连接到液压泵，活塞通过设置的弹簧偏压到中心位置 在房间里

公开(公告)号：US3977193A

公开(公告)日：1976-08-31

申请号：US485138

申请日：1974-07-02

申请人： Yoshihiro Hayashida ,  Tetsuo Haraikawa

发明人： Yoshihiro Hayashida ,  Tetsuo Haraikawa

IPC分类号： B60T13/14 ,  F15B7/00

CPC分类号： B60T13/144

摘要： A hydraulic braking force multiplying device has a:A body coupled to a master cylinder;A projecting portion provided in the body and projecting toward the master cylinder;A cup-shaped power piston one open end of which receives the outer periphery of the projecting portions slidably and sealingly relative thereto, and the other closed end of which is adapted to actuate a piston of the master cylinder;A working chamber defined between the power piston and the projecting portion;A bore extending through the body and coaxial with the piston of the master cylinder;A valve member slidably fitted in the bore and having one end extending into the working chamber;A spring urging the valve member in the direction away from the working chamber;A bore provided in the valve member coaxially therewith and communicating with the working chamber;A first pressure chamber defined between the bore of the body and the outer periphery of the valve member and normally communicating with a pressure source;A normally closed first valve for controlling communication between the first pressure chamber and the bore of the valve member;An input shaft slidably disposed within the bore of the body in the axial direction thereof and having a bore communicated with a fluid reservoir; and,A normally open second valve disposed between the end portion of the input shaft and the valve member.The second valve closes and the first valve opens when the input shaft is actuated, whereby fluid pressure is created in the working chamber, and,Either one of the valve or valve seat of the first or the second valve is resiliently moved in response to fluid pressure in the working chamber, so that the second valve is closed when the first valve is maintained closed.

公开(公告)号：US3958423A

公开(公告)日：1976-05-25

申请号：US492934

申请日：1974-07-29

申请人： Yoshihiro Hayashida ,  Tetsuo Haraikawa ,  Setsuo Mitobe

发明人： Yoshihiro Hayashida ,  Tetsuo Haraikawa ,  Setsuo Mitobe

IPC分类号： B60T13/14 ,  B60T13/20

CPC分类号： B60T13/144

摘要： In a hydraulic brake booster, wherein a body, to which is coupled a master cylinder, is provided with a projecting portion extending outwardly towards the master cylinder; a power piston adapted to operate the piston of the master cylinder extends through the projecting portion to define a working chamber positioned on the side remote from the master cylinder; a pressure chamber, to which is introduced a pressure fluid from a pressure source, is provided in the middle portion of the body; and a first valve which is normally closed for controlling the communication of the pressure chamber with the working chamber and a second valve which is normally open for controlling the communication of the working chamber with a reservoir are operated by means of a valve stem member and an input shaft adapted to operate the valve stem member; the improvement in which a stop slidingly provided within the pressure chamber and adapted to receive pressure from the pressure chamber in the direction opposite to the moving direction of the input shaft at the time of operation of the hydraulic brake booster for limiting the movement of the input shaft.

摘要翻译： 在液压制动助力器中，其中连接有主缸的主体设有向主缸向外延伸的突出部分; 适于操作主缸的活塞的动力活塞延伸穿过突出部分以限定位于远离主缸的一侧的工作室; 在本体的中间部分设有从压力源引入压力流体的压力室， 并且通常为闭合的第一阀，用于控制压力室与工作室的连通以及常开的用于控制工作室与储存器的连通的第二阀，其通过阀杆构件和 适于操作阀杆构件的输入轴; 其改进在于，在液压制动助力器的操作期间滑动地设置在压力室内并且适于在与输入轴的移动方向相反的方向上从压力室接收压力以限制输入的运动 轴。

公开(公告)号：US3949846A

公开(公告)日：1976-04-13

申请号：US495539

申请日：1974-08-06

申请人： Yoshihiro Hayashida

发明人： Yoshihiro Hayashida

IPC分类号： F16D65/14 ,  B60T11/24

CPC分类号： F16D65/18 ,  F16D2121/02 ,  F16D2123/00

摘要： There is disclosed a hydraulic pressure system disc brake which comprises a caliper having a groove large enough to pass the circumferential portion of brake disc therethrough, and a hollow cylinder extending in a direction at a right angle to the aforesaid groove. A flanged cylindrical member is disposed within the hollow cylinder. A cup-shaped piston is fitted in an annular space defined by the aforesaid caliper and cylindrical member.

公开(公告)号：US4418611A

公开(公告)日：1983-12-06

申请号：US392141

申请日：1982-06-25

申请人： Kiyoshi Tateoka ,  Yoshihiro Hayashida

发明人： Kiyoshi Tateoka ,  Yoshihiro Hayashida

IPC分类号： B60T13/56 ,  B60T13/567 ,  F15B9/10

CPC分类号： B60T13/5675

摘要： A pneumatic servo booster including a shell housing having front and rear shells, a valve body incorporating therein, a valve mechanism slidably supported by the rear shell, a partitioning member cooperating with the valve body for partitioning the interior of the shell housing into front and rear chambers, and a connecting rod axially extending in the front and rear directions through the front and rear chambers and through the partitioning member with the opposite ends thereof being connected to respective shells. An annular tubular extendable member is provided for surrounding a portion of the connecting rod. One end of the tubular member is connected to the peripheral surface of a bore which is formed in the partitioning member for passing therethrough the connecting rod, and the other end of the tubular member is connected to either the front or rear shell and surrounds the connecting rod.

摘要翻译： 一种气动伺服助力器，包括具有前壳和后壳的壳体壳体，其中结合有阀体，由后壳可滑动地支撑的阀机构，与阀体配合的分隔构件，用于将壳体的内部分隔成前后 腔室，以及通过前后腔室沿前后方向轴向延伸并通过分隔件的连杆，其相对端连接到相应的壳体上。 提供环形管状可延伸构件以围绕连杆的一部分。 管状构件的一端连接到形成在分隔构件中的孔的圆周表面，用于穿过连接杆，并且管状构件的另一端连接到前壳或后壳，并围绕连接 竿。

公开(公告)号：US4355512A

公开(公告)日：1982-10-26

申请号：US197129

申请日：1980-10-15

申请人： Hitoshi Kubota ,  Toshiyuki Takahashi ,  Yoshihiro Hayashida

发明人： Hitoshi Kubota ,  Toshiyuki Takahashi ,  Yoshihiro Hayashida

IPC分类号： B60T11/26 ,  B60T17/22

CPC分类号： B60T11/26 ,  B60T17/225

摘要： A reservoir for use with a tandem master cylinder consisting of an elongated housing generally extending along the longitudinal axis of the master cylinder and including top and bottom walls and side walls, a partitioning wall provided between the top and bottom walls and extending laterally from either of the side walls toward the other side wall thereby partitioning the interior of the housing into two chambers. The partitioning wall further extends longitudinally along the other side wall and is spaced therefrom to define therebetween a corridor-like passage communicating the two chambers. The corridor-like passage has an opening which is spaced from the bottom wall by a predetermined height. A liquid level warning device receiving chamber is formed in one of the two chambers and is defined by the laterally and longitudinally extending portions of the partitioning wall and by an additional wall having a slit which extends between the top and side walls.

摘要翻译： 一种用于串联主缸的储存器，其由细长壳体组成，该壳体通常沿着主缸的纵向轴线延伸并且包括顶壁和底壁和侧壁，分隔壁设置在顶壁和底壁之间， 侧壁朝向另一侧壁，从而将壳体的内部分隔成两个室。 分隔壁还沿着另一个侧壁纵向延伸并且与其间隔开，以在两个室之间形成通道连通的走廊状通道。 走廊状通道具有与底壁间隔预定高度的开口。 液位警告装置接收室形成在两个腔室中的一个中，并且由分隔壁的横向和纵向延伸的部分以及具有在顶壁和侧壁之间延伸的狭缝的附加壁限定。

公开(公告)号：US4284308A

公开(公告)日：1981-08-18

申请号：US47802

申请日：1979-06-11

申请人： Yoshihiro Hayashida

发明人： Yoshihiro Hayashida

IPC分类号： B60T8/26

CPC分类号： B60T8/265

摘要： A brake pressure control valve controls the hydraulic pressure supplied to rear wheel brakes in two independent circuits of a dual hydraulic braking system of a vehicle. The valve includes two valve bodies slidably received in a bore of a housing and movable toward one another upon receiving hydraulic pressure, valve seats formed respectively in the valve bodies, a free piston assembly the opposite ends of which are mounted slidably and sealingly on the valve bodies, and valve members mounted on opposite ends of the free piston assembly and defining valve heads cooperating with the valve seats in the valve bodies.

摘要翻译： 制动压力控制阀控制在车辆的双液压制动系统的两个独立回路中提供给后轮制动器的液压。 该阀包括两个阀体，其可滑动地容纳在壳体的孔中并且在接收液压时彼此相对运动，分别形成在阀体中的阀座;自由活塞组件，其相对端部可滑动地和密封地安装在阀 主体和阀构件，其安装在自由活塞组件的相对端部并且限定与阀体中的阀座配合的阀头。

公开(公告)号：US4147091A

公开(公告)日：1979-04-03

申请号：US834051

申请日：1977-09-16

申请人： Yoshihiro Hayashida

发明人： Yoshihiro Hayashida

IPC分类号： B60K20/00 ,  B60T13/52 ,  B60T13/56 ,  F16F1/12 ,  F15B9/10

CPC分类号： B60T13/52

摘要： A fluid pressure servomotor has a casing having a movable wall therein dividing the interior of the casing into two chambers, a valve body connected to the movable wall and receiving a valve mechanism communicating one of the chambers selectively with the other chamber or with a source of fluid pressure such as atmospheric pressure, an input rod mounted in the valve body to operate the valve mechanism, and a spring urging the input rod outwardly of the valve body. There is provided a flange portion on the input rod, a spring retaining member having a hole the diameter of which is larger than the flange portion of the input rod and abutted by the spring on one side surface thereof and having a circumferentially extending projection on the other side surface thereof, and a stop ring fitted around the input rod and abutting the inner end of the flange portion of the input rod and the other side surface of the retaining member with the outer circumference thereof being fitted in the inner circumference of the projection.

摘要翻译： 流体压力伺服电动机具有壳体，该壳体具有可移动的壁，所述壳体将壳体的内部分成两个室，阀体连接到可动壁并接收阀机构，该阀机构选择性地将一个室与另一个室连通， 诸如大气压的流体压力，安装在阀体中以用于操作阀机构的输入杆以及将输入杆向阀体的外部推动的弹簧。 在输入杆上设有一个凸缘部分，一个弹簧保持部件，该弹簧保持部件的直径大于输入杆的凸缘部分的孔，并在弹簧的一个侧表面上与弹簧相对并且在其上具有周向延伸的突起 另一个侧面，以及安装在输入杆周围并与输入杆的凸缘部分的内端和保持构件的另一侧面的止挡环的外周嵌合在突出部的内周中 。

公开(公告)号：US4116493A

公开(公告)日：1978-09-26

申请号：US850489

申请日：1977-11-10

申请人： Yoshihiro Hayashida

发明人： Yoshihiro Hayashida

IPC分类号： B60T8/28 ,  B60T8/14

CPC分类号： B60T8/285

摘要： A brake pressure control valve including an inertia member being movable in response to the inertia force acting on the member, particularly when the rate of deceleration caused by braking action exceeds a predetermined amount, so as to close a fluid passage for controlling braking pressure, in which a stop member is mounted in a housing of the pressure control valve and being operable manually from the outside of the valve so as to abut with the inertia member for preventing the fluid passage from being closed by the inertia member.

摘要翻译： 一种制动压力控制阀，其特征在于，当由制动作用引起的减速度超过预定量时，惯性构件能够响应于作用在构件上的惯性力而运动，以便关闭用于控制制动压力的流体通道 止动构件安装在压力控制阀的壳体中并且可从阀的外部手动地操作，以便与惯性构件抵接，以防止流体通道被惯性构件封闭。

公开(公告)号：US4074532A

公开(公告)日：1978-02-21

申请号：US658662

申请日：1976-02-17

申请人： Yoshihiro Hayashida ,  Tetsuo Haraikawa

发明人： Yoshihiro Hayashida ,  Tetsuo Haraikawa

IPC分类号： B60T11/224 ,  B60T11/20

CPC分类号： B60T11/20 ,  Y10T403/5766

摘要： A master cylinder has a first piston and a second piston slidably disposed respectively in two piston chambers of different diameters, reduced diameter stems projecting from the opposing end portions of the pistons respectively, a flange formed around the outer periphery of each of the stems, and a split sleeve consisting of two or more co-operating elements and having stepped portions in the inner circumference thereof at the opposite ends respectively, the split sleeve being restrained in a cylindrical shape with the stepped portions engaging with respective flanges thereby connecting the two pistons with each other.

摘要翻译： 主缸具有分别可滑动地设置在两个不同直径的活塞室中的第一活塞和第二活塞，分别从活塞的相对端部突出的直径减小的杆，围绕每个杆的外周形成的凸缘，以及 由两个或更多个合作元件组成的开口套筒，并且在其相对端分别在其内圆周上具有阶梯部分，分开的套筒被限制为圆柱形，阶梯部分与相应的凸缘接合，从而将两个活塞与 彼此。