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公开(公告)号：US4283993A
公开(公告)日：1981-08-18
申请号：US3774
申请日：1979-01-15
CPC分类号： B60T13/569 , B60T13/57
摘要： A servo booster including a piston plate for receiving a differential pressure produced across two chambers which are defined in a shell casing, a cylindrical valve body having a valve mechanism therein for controlling the pressure across the two chambers, an aperture and a head portion formed respectively at the center portion of the piston plate and at an end portion of the valve body and being engageable with each other at a predetermined angular position, and the relative movement of the valve body and the piston plate in the direction of the axis of the servo booster being prevented by rotating the head portion through a predetermined angle in the aperture, wherein the improvement comprises a rotation preventing member rigidly mounted on the piston plate and having one portion thereof in fitting engagement with the valve body to prevent the relative rotation of the valve body and the piston plate.
摘要翻译： 一种伺服助力器，包括用于接收在壳体中限定的两个室之间产生的压差的活塞板，具有用于控制跨过两个腔室的压力的阀机构的圆柱形阀体，分别形成的孔和头部 在活塞板的中心部分和阀体的端部处，并且能够在预定角度位置彼此接合，并且阀体和活塞板在伺服轴线方向上的相对运动 通过使头部旋转预定角度来防止增压器，其中改进包括刚性地安装在活塞板上的防旋转构件，并且其一部分与阀体配合接合以防止阀的相对旋转 主体和活塞板。
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公开(公告)号：US4259893A
公开(公告)日：1981-04-07
申请号：US961022
申请日：1978-11-15
IPC分类号： B60T13/573 , B60T13/577 , F15B9/10
CPC分类号： B60T13/577
摘要： A fluid pressure operated servomotor such as a vacuum booster including a power piston having a differential pressure acting thereacross, an input rod for actuating a valve mechanism mounted in the power piston, a reaction lever disposed between the power piston and an output rod for transmitting a force to the output rod and transmitting a reaction force to the input rod. A return spring for urging the power piston in the return direction acts through the reaction lever on the power piston, whereby the reaction force is not transmitted to the input rod until the force transmitted to the output rod exceeds a predetermined value.
摘要翻译： 一种流体压力操作的伺服电动机，例如包括具有作用在其上的压差的动力活塞的真空助力器，用于致动安装在动力活塞中的阀机构的输入杆，设置在动力活塞和输出杆之间的反作用杆， 向输出杆施加力并将反作用力传递到输入杆。 用于在返回方向上推动动力活塞的复位弹簧作用在动力活塞上的反作用杆上，由此反作用力不会传递到输入杆，直到传递到输出杆的力超过预定值。
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公开(公告)号：US4418611A
公开(公告)日：1983-12-06
申请号：US392141
申请日：1982-06-25
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。
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公开(公告)号：US4945729A
公开(公告)日：1990-08-07
申请号：US361867
申请日：1989-06-06
IPC分类号： B60T11/20 , B60T13/565
CPC分类号： B60T13/565 , B60T11/20
摘要： A master cylinder in which a sleeve is provided inside a cylinder main body to define a first pressure chamber in cooperation with primary and secondary pistons. A plurality of through-holes adapted to communicate with an outlet port are disposed in the sleeve in such a manner as to be longitudinally spaced away from each other. positioning means is provided between the sleeve and the cylinder main body for positioning the sleeve with respect to the circumferential direction relative to the cylinder main body. The sleeve is positioned relative to the cylinder main body in such a manner that at least one of the plurality of through-holes adapted to establish communication between the outlet port and the first pressure chamber when the pistons are at their rearmost positions is located to face the top portion of the circumferential wall of the cylinder main body.
摘要翻译： 主缸，其中套筒设置在缸主体内部，以与主活塞和次活塞协作地限定第一压力室。 多个适于与出口连通的通孔以这样的方式设置在套筒中，以便彼此纵向间隔开。 定位装置设置在套筒和缸主体之间，用于相对于圆筒主体相对于圆周方向定位套筒。 套筒相对于圆筒主体定位成使得当活塞处于其最后面的位置时，适于建立出口和第一压力室之间的连通的多个通孔中的至少一个通孔位于面 圆筒主体的圆周壁的顶部。
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公开(公告)号：US4417500A
公开(公告)日：1983-11-29
申请号：US044104
申请日：1979-05-31
申请人： Yoshihiro Hayashida
发明人： Yoshihiro Hayashida
IPC分类号： B60T13/56 , B60T13/567 , B60T13/569 , F15B9/10 , F01B19/00 , F16J3/02
CPC分类号： B60T13/569 , B60T13/567
摘要： Air pressure servomotor including front shell and rear shell coupled to said front shell so as to construct a housing, a diaphragm disposed in the housing, a piston plate located adjacent the diaphragm, input rod and output rod. The front and rear shells hold a cylinder structure which extends axially from the wall of the front shell to the wall of the rear shell and supports the shells axially, and which has slits running from the forward end to the intermediate portion thereof. A valve having a valve mechanism is slidably disposed in the cylinder structure and having a valve mechanism. Said input rod is connected to the foot pedal and the output rod is connected to the master cylinder. And when the foot pedal is operated to actuate the input rod, the action of the input rod is amplified by the operation of the valve mechanism and the piston plate and transmitted to the output rod therethrough, and then the master cylinder is actuated. During this operation, the cylinder structure supports the front and rear shells and prevents them from deforming, so shortening of the stroke of the output rod by the deformation of the shells is avoided.
摘要翻译： 空气压力伺服电动机包括联接到所述前壳的前壳和后壳，以便构造壳体，设置在壳体中的隔膜，邻近膜片，输入杆和输出杆定位的活塞板。 前壳体和后壳体具有从前壳体的壁轴向延伸到后壳体的壁的圆柱体结构，并且轴向地支撑壳体，并且具有从前端延伸到其中间部分的狭缝。 具有阀机构的阀可滑动地设置在气缸结构中并具有阀机构。 所述输入杆连接到脚踏板，输出杆连接到主缸。 并且当操作脚踏板来致动输入杆时，通过阀机构和活塞板的操作来放大输入杆的作用并将其传递到输出杆，然后主缸被致动。 在此操作期间，气缸结构支撑前壳和后壳并防止其变形，从而避免了由于壳的变形而缩短输出杆的行程。
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公开(公告)号：US4219243A
公开(公告)日：1980-08-26
申请号：US950526
申请日：1978-10-11
申请人： Yoshihiro Hayashida
发明人： Yoshihiro Hayashida
IPC分类号： B60T20060101 , B60T8/26 , B60T8/28 , B60T17/18 , F16D20060101 , F16K20060101 , B60T13/06
摘要： A hydraulic braking pressure control valve for use in a vehicle includes a first inlet and outlet connected to a first pressure circuit, a second inlet connected to a second pressure circuit, a first piston having therethrough a liquid passage which normally connects the first inlet and outlet, a second piston receiving liquid pressure in the second inlet for displacing the first piston against the biassing force of a pressure control spring, and a valve mechanism associated with the first piston for closing the liquid passage when the first piston is displaced by a predetermined distance by the second piston. A plunger is provided with one surface thereof facing the first piston with the pressure control spring interposed therebetween and the other surface thereof receiving liquid pressure from the first pressure circuit, and an inertia valve is provided for cutting off the supply of liquid pressure to the other surface of the plunger at a predetermined deceleration of the vehicle.
摘要翻译： 一种用于车辆的液压制动压力控制阀包括连接到第一压力回路的第一入口和出口，连接到第二压力回路的第二入口，通过其通过液体通道的第一活塞，该液体通道通常将第一入口和出口 第二活塞在第二入口中接收液体压力以抵抗第一活塞抵抗压力控制弹簧的偏压力;以及阀机构，与第一活塞相关联，用于当第一活塞位移预定距离时关闭液体通道 通过第二活塞。 柱塞具有面向第一活塞的一个表面，压力控制弹簧介于其间，另一个表面接收来自第一压力回路的液体压力，并设有一个惯性阀，用于切断液压供应给另一个 在车辆的预定减速度下的柱塞的表面。
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公开(公告)号：US3943486A
公开(公告)日：1976-03-09
申请号：US506051
申请日：1974-09-16
CPC分类号： F16D65/52 , F16D66/023
摘要： A lining wear warning device for a brake shoe lining rotatable member pivotally supported on a non-rotatable member so as to be engaged with a brake shoe carrying a brake lining is pivotally moved when the brake shoe is actuated; means arranged on the non-rotatable member in engagement with the rotatable member permits the movement of rotatable member during the braking operation and prevents the movement in the reverse direction when the brake is released; and an electric switch operative in response to a predetermined amount of relative movement between the rotatable and non-rotatable members closes a warning circuit, the relative movement between the rotatable and non-rotatable members being proportional to an amount of lining wear.
摘要翻译： 当制动蹄被致动时，用于可转动地支撑在不旋转构件上以便与承载制动衬片的制动蹄接合的制动蹄内衬可旋转构件的衬里磨损预警装置被枢转地移动; 布置在与可旋转构件接合的不可旋转构件上的装置允许在制动操作期间可旋转构件的移动，并且当制动器被释放时防止反向运动; 并且响应于可旋转和不可旋转构件之间的预定量的相对运动而操作的电开关闭合警告电路，可旋转和不可旋转构件之间的相对运动与衬里磨损量成比例。
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公开(公告)号：US4301440A
公开(公告)日：1981-11-17
申请号：US96200
申请日：1979-11-20
CPC分类号： B60T17/225 , G01F23/00 , G01F23/74
摘要： The level detecting device comprises a detector inserted in a reservoir to detect the level of oil liquid, lead wires leading signal from the detector, and a terminal connected to the lead wires. The terminal is fixed to a cap covering an opening of the reservoir and the cap is removably engaged to a cylindrical projection arranged around the opening of the reservoir.
摘要翻译： 液位检测装置包括插入储存器中的检测器，用于检测油液的水平，来自检测器的引线引导信号和连接到引线的端子。 端子被固定到覆盖储存器的开口的盖上，并且盖可移除地接合到围绕储存器的开口布置的圆柱形突起。
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公开(公告)号：US4148190A
公开(公告)日：1979-04-10
申请号：US797114
申请日：1977-05-16
申请人： Yoshihiro Hayashida
发明人： Yoshihiro Hayashida
IPC分类号： B60T11/18 , B60T11/236 , F16J15/56 , B60T7/02 , F15B7/08
CPC分类号： B60T11/236 , F16J15/56
摘要： A master cylinder including a housing, a cylinder defined in the housing, a piston slidably fitted in the cylinder, a spring urging the piston toward an open end of the cylinder, a push rod for actuating the piston against the force of the spring to compress hydraulic fluid in the cylinder, and a stopper ring retained in the open end of the cylinder for abutting with the push rod to define the non-actuated position of the piston, wherein a seal is disposed between the inner periphery of the cylinder and the stopper ring and between the stopper ring and the push rod when the piston is in its non-actuated position.
摘要翻译： 主缸，包括壳体，限定在壳体中的气缸，可滑动地装配在气缸中的活塞，将活塞推向气缸的开口端的弹簧，用于克服弹簧的力来致动活塞的推杆 气缸中的液压流体和保持在气缸的开口端的止动环，用于与推杆抵接以限定活塞的非致动位置，其中密封件设置在气缸的内周和止动件之间 并且当活塞处于非致动位置时，在止动环和推杆之间形成环。
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公开(公告)号：US3994204A
公开(公告)日：1976-11-30
申请号：US580797
申请日：1975-05-27
申请人： Yoshihiro Hayashida
发明人： Yoshihiro Hayashida
CPC分类号： B60T13/144
摘要： A hydraulic braking force multiplying device comprising an output member slidably fitted on a housing for actuating a piston of a hydraulic master cylinder, a working chamber defined between the housing and the output member, a valve seat member slidably fitted in an axial bore of the housing and rigidly secured to the output member, an input member slidably fitted in the axial bore and defining an intermediate chamber between the valve seat member, a valve member adapted to be actuated by the input member and having a valve portion of a valve mechanism for cooperating with a valve seat formed on the valve seat member, a pressure chamber permanently communicating with a source of pressure fluid being and being disposed in the housing and adapted to be connected with the intermediate chamber through the valve mechanism, a passage formed in the valve member for connecting the intermediate chamber with the working chamber, and a passage formed in the input member for connecting the intermediate chamber with a reservoir for hydraulic fluid, the connection through the passage in the input member being cut off when the input member engages with the valve member.
摘要翻译： 一种液压制动力乘法装置，包括可滑动地装配在用于致动液压主缸的活塞的壳体上的输出构件，限定在壳体和输出构件之间的工作室，可滑动地装配在壳体的轴向孔中的阀座构件 并且刚性地固定到所述输出构件，所述输入构件可滑动地装配在所述轴向孔中并且在所述阀座构件之间限定中间室，所述中间室适于由所述输入构件致动并具有用于协作的阀机构的阀部分 具有形成在阀座构件上的阀座，与压力流体源永久连通并且设置在壳体中并且适于通过阀机构与中间室连接的压力室，形成在阀构件中的通道 用于将中间室与工作室连接，以及形成在输入构件中用于连接中间的通道 具有用于液压流体的储存器，当输入构件与阀构件接合时，通过输入构件中的通道的连接被切断。
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