公开(公告)号：US06905179B2

公开(公告)日：2005-06-14

申请号：US10360332

申请日：2003-02-07

Applicant: David P. Martella

Inventor： David P. Martella

IPC: B60T8/36 ,  B60T8/42 ,  F15B1/22 ,  B60T8/34

CPC classification number: B60T8/4275 ,  B60T8/368 ,  F15B1/22 ,  F15B2201/21 ,  F15B2201/312 ,  F15B2201/413

Abstract: A braking system includes an accumulator positioned along the brake line between the wheel brake and a pump. The accumulator includes a cylinder defining a bore and a piston fitted within the bore. The cylinder defines an inlet and an outlet fluidically connecting the bore to the brake line. The outlet is axially spaced from the inlet and is positioned to be sealed closed by the piston when it is proximate to inlet. The accumulator stores a reserved volume of fluid that is not delivered to the pump via the outlet to thereby reduce the volume of fluid delivered to the master cylinder by the pump and prevent damage to the lip seals during ABS control.

Abstract translation: 制动系统包括沿车轮制动器和泵之间的制动管路定位的蓄能器。 蓄能器包括限定孔的圆筒和安装在孔内的活塞。 气缸限定入口和出口流体地将孔连接到制动管线。 出口与入口轴向间隔开并且定位成当其靠近入口时由活塞密封。 蓄能器存储未经出口输送到泵的预留体积的流体，从而通过泵减少输送到主缸的流体的体积，并防止在ABS控制期间损坏唇形密封。

公开(公告)号：US06834680B2

公开(公告)日：2004-12-28

申请号：US10314361

申请日：2002-12-09

Applicant: Benton F. Baugh

Inventor： Benton F. Baugh

IPC: F16L5504

CPC classification number: F15B21/041 ,  E21B33/0355 ,  F15B1/24 ,  F15B2201/205 ,  F15B2201/312 ,  F15B2201/32 ,  F15B2201/411 ,  F15B2201/415

Abstract: The method of providing a piston type accumulator with a controlled depth liquid shield on the top of a piston with seals separating a pressurized gas from the seals sealing the pressurized liquid comprising providing a portion of the gas in a chamber portion above said piston and a portion of the gas in a chamber portion not above said piston such that liquids accumulating in the chamber above the piston can be vented into the chamber not above the piston for venting to a location outside said chambers.

Abstract translation: 在活塞的顶部上提供具有受控深度液体屏蔽的活塞式蓄液器的方法，所述活塞的密封件将加压气体与密封件分离，密封加压液体，包括在所述活塞上方的腔室部分中提供一部分气体， 的气体在不在所述活塞上方的腔室部分中，使得积聚在活塞上方的腔室中的液体可以不在活塞上方排放到腔室中，以排放到所述腔室外部的位置。

公开(公告)号：US20040238054A1

公开(公告)日：2004-12-02

申请号：US10486343

申请日：2004-02-10

Inventor： Norbert Weber

IPC: F16L055/04

CPC classification number: F15B1/24 ,  F15B2201/205 ,  F15B2201/312 ,  F15B2201/32

Abstract: The invention relates to a piston-type accumulator comprising a separating piston (13) which can be displaced axially within a piston housing (1). Said piston separates a fluid side (15) of the accumulator from the gas side (23) thereof and comprises two sealing areas (17, 25) which are offset in relation to each other in the axial direction thereof, said sealing areas being arranged on the circumference thereof and being displaced on the inner wall of the accumulator housing. The invention is characterized in that the accumulator housing (1) is provided with a ventilation device (31) between said sealing areas (17, 25) for discharging leaking means passing through the sealing areas (17, 25).

Abstract translation: 本发明涉及一种活塞式蓄能器，其包括可在活塞壳体（1）内轴向位移的分离活塞（13）。 所述活塞将储液器的流体侧（15）从其气体侧（23）分离，并包括相对于其轴向偏移的两个密封区域（17,25），所述密封区域布置在 其周长并在蓄能器壳体的内壁上移位。 本发明的特征在于，蓄能器壳体（1）在所述密封区域（17,25）之间设置有用于排出通过密封区域（17,25）的泄漏装置的通风装置（31）。

公开(公告)号：US20040207256A1

公开(公告)日：2004-10-21

申请号：US10485168

申请日：2004-01-29

Inventor： Peter Volz

IPC: B60T008/36

CPC classification number: F15B13/0832 ,  B60T8/368 ,  B60T8/4068 ,  B60T8/4072 ,  B60T17/221 ,  F15B1/24 ,  F15B1/26 ,  F15B13/0853 ,  F15B13/0857 ,  F15B13/086 ,  F15B13/0875 ,  F15B13/0889 ,  F15B13/0892 ,  F15B2201/205 ,  F15B2201/312 ,  F15B2201/3151 ,  F15B2201/3153 ,  F15B2201/411 ,  F15B2201/515

Abstract: An electrohydraulic unit including a hydraulic unit comprising an accommodating member that accommodates electrically actuatable valves and a hydraulic pump, an electric driving device for the pump, and a pressure fluid accumulator fed by the pump and including a media separating element and a sensor device including a receiving element for monitoring the position of the media separating element, and including an electronic unit for the electronic actuation of the valves and the driving device and for receiving electric signals of the sensor device. The sensor device is arranged in the accommodating member or in the electronic unit. An electrical connection is established between sensor device and electronic unit within the unit. This economizes mounting space and enables improved electrical connection.

Abstract translation: 一种电动液压单元，包括液压单元，该液压单元包括容纳电可致动阀的容纳构件和液压泵，用于泵的电驱动装置以及由泵供给的压力流体蓄能器，并且包括介质分离元件和传感器装置， 用于监测介质分离元件的位置的接收元件，并且包括用于阀和驱动装置的电子致动的电子单元并且用于接收传感器装置的电信号。 传感器装置布置在容纳构件或电子单元中。 在传感器设备和单元内的电子单元之间建立电气连接。 这节省了安装空间并改善了电气连接。

公开(公告)号：US06612339B1

公开(公告)日：2003-09-02

申请号：US10034980

申请日：2001-12-28

Applicant: Westley J. Wilke ,  Christopher J. Roberts ,  Jeff King

Inventor： Westley J. Wilke ,  Christopher J. Roberts ,  Jeff King

IPC: F16L5504

CPC classification number: B60T8/368 ,  B60T8/4275 ,  B60T11/236 ,  F15B1/24 ,  F15B2201/21 ,  F15B2201/312 ,  F15B2201/61

Abstract: A piston for a low pressure fluid accumulator of a hydraulic control unit of a vehicle brake system includes a cylindrical body having an outer surface defining a first end surface of the piston. The first end surface includes a plurality of interconnected ridges. The ridges have outer surfaces and form cavities therebetween. Each ridge is adapted to provide a sealing surface between the first end surface of the piston and an inner surface of a fluid accumulator in which the piston may be inserted. In one embodiment of the invention, the closed end of the piston includes a thick self-supporting wall. A thin skirt extends from the thick self-supporting wall toward the open end of the piston. A plurality of axially extending skirt support ribs is formed on the inner surface of the piston skirt.

Abstract translation: 用于车辆制动系统的液压控制单元的低压流体储存器的活塞包括具有限定活塞的第一端面的外表面的圆筒体。 第一端面包括多个互连脊。 脊具有外表面并且在它们之间形成空腔。 每个脊适于在活塞的第一端面和活塞可以插入其中的流体储存器的内表面之间提供密封表面。 在本发明的一个实施例中，活塞的封闭端包括厚的自支撑壁。 薄裙从厚的自支撑壁向活塞的开口端延伸。 多个轴向延伸的裙部支撑肋形成在活塞裙的内表面上。

公开(公告)号：US20030136123A1

公开(公告)日：2003-07-24

申请号：US10053661

申请日：2002-01-24

Inventor： Carl Seguin

IPC: F16D031/02

CPC classification number: F15B1/24 ,  F15B1/10 ,  F15B2201/21 ,  F15B2201/312 ,  F15B2201/3151 ,  F15B2201/3153 ,  F15B2201/3158 ,  F15B2201/32 ,  F15B2201/413 ,  F15B2201/51

Abstract: A hydraulic fluid reservoir comprises a body defining a variable volume chamber having one end portion movable with the level of fluid in the chamber. A biasing member acting on a traction rod extending from the movable end portion restrains movement thereof under fluid pressure. The fluid pressure in the variable volume chamber advantageously counterbalances the force of reaction in the biasing member.

Abstract translation: 液压流体储存器包括限定可变容积室的主体，该容积室具有可与腔室中的液体水平面移动的一个端部部分。 作用在从可动端部延伸的牵引杆上的偏压构件在流体压力下限制其运动。 可变容积室中的流体压力有利地抵消了偏置构件中的反作用力。

公开(公告)号：US06525290B2

公开(公告)日：2003-02-25

申请号：US09902565

申请日：2001-07-12

Applicant: Takeyoshi Shimbori ,  Chiharu Umetsu ,  Kouji Nakamura ,  Hiroshi Mizukami ,  Naoki Ueno

Inventor： Takeyoshi Shimbori ,  Chiharu Umetsu ,  Kouji Nakamura ,  Hiroshi Mizukami ,  Naoki Ueno

IPC: B23K1110

CPC classification number: B23K11/002 ,  B23K11/14 ,  F15B1/103 ,  F15B1/22 ,  F15B2201/205 ,  F15B2201/312 ,  F15B2201/3151 ,  F15B2201/3153 ,  F15B2201/3158 ,  F15B2201/411 ,  F15B2201/415 ,  F15B2201/60 ,  Y10T29/49394 ,  Y10T29/49877 ,  Y10T29/49893

Abstract: Disclosed is an accumulator comprising: a pressure vessel; an elastic bellows in which a compressed gas is sealed, an end of the bellows being fixed to an interior of the pressure vessel; a flow path having an opening communicating with the interior and an exterior of the pressure vessel; a valve connected to a movable end of the bellows to operatively close the opening according to elastic motion of the bellows; and a hydraulic chamber partitioned from a gas chamber formed in an interior of the bellows containing the compressed gas. The valve comprises an upper surface which can cover the opening, and plural circular protrusions which surround the entire circumference of the opening and can closely contact the circumference of the opening.

Abstract translation: 公开了一种蓄液器，包括：压力容器; 压缩气体被密封的弹性波纹管，波纹管的一端固定在压力容器的内部; 流路，其具有与压力容器的内部和外部连通的开口; 连接到波纹管的可动端的阀，以根据波纹管的弹性运动来操作地关闭开口; 以及与形成在包含压缩气体的波纹管内部的气室隔开的液压室。 该阀包括可覆盖开口的上表面和围绕开口的整个圆周的多个圆形突起，并可与开口的圆周紧密接触。

公开(公告)号：US06390133B1

公开(公告)日：2002-05-21

申请号：US09572740

申请日：2000-05-17

Applicant: Douglas T. Patterson ,  Gerd A. Baur ,  Paul H. Hanson

Inventor： Douglas T. Patterson ,  Gerd A. Baur ,  Paul H. Hanson

IPC: F16L5504

CPC classification number: F15B1/04 ,  B60T8/3615 ,  B60T8/368 ,  F15B2201/21 ,  F15B2201/312

Abstract: A hydraulic accumulator assembly for a hydraulic brake system. The accumulator assembly includes a pump housing having therein at least one accumulator bore. The accumulator bore has an axis and an inner wall. A piston is movable within the accumulator bore and divides the accumulator bore into an accumulator chamber, which is communicable with the hydraulic brake system, and a spring chamber. There is a spring in the spring chamber for biasing the piston in the direction of the accumulator chamber. A passageway in the pump housing is closely spaced from the inner wall so as to form a relatively thin wall thickness between the passageway and the inner wall. A vent bore is punched in the inner wall and communicates between the spring chamber and the passageway. The vent bore is punched in a direction away from the axis.

Abstract translation: 一种用于液压制动系统的液压蓄能器组件。 蓄能器组件包括其中具有至少一个蓄能器孔的泵壳体。 蓄能器孔具有轴线和内壁。 活塞可以在蓄能器孔内移动，并将蓄能器孔分成可与液压制动系统连通的蓄能室和弹簧室。 在弹簧室中有弹簧，用于沿蓄能器室的方向偏压活塞。 泵壳体中的通道与内壁紧密地间隔开，以便在通道和内壁之间形成相对较薄的壁厚。 通气孔在内壁冲压，并在弹簧室和通道之间连通。 通气孔沿远离轴线的方向冲压。

公开(公告)号：US5974910A

公开(公告)日：1999-11-02

申请号：US967790

申请日：1997-11-10

Applicant: Alex Paykin ,  David Dobbs

Inventor： Alex Paykin ,  David Dobbs

IPC: F15B1/02 ,  F15B1/04 ,  F15B1/24 ,  F16H61/00 ,  F16H61/06 ,  F16J9/00 ,  F16H57/02

CPC classification number: F16H61/067 ,  F15B1/24 ,  F15B2201/21 ,  F15B2201/312 ,  F15B2201/413 ,  F15B2201/61 ,  Y10T74/2186

Abstract: An accumulator piston for an automatic transmission. The piston comprises two components, the first and second being cup elements welded together with their closed ends in abutting relation. The lower cup includes a curled back portion with a radial flange having an axially extending bi-directional oil seal thereon, and spaced apart recesses in the curled back portion to permit oil to flow therein. The upper cup includes a radial flange of reduced diameter compared to the lower cup flange. The flange also has a lip seal thereon. The piston is spring-loaded and moves up and down in a bore and counterbore in response to fluid flow on either side of the piston to absorb shifting shocks.

Abstract translation: 用于自动变速箱的蓄能器活塞。 活塞包括两个部件，第一和第二杯杯元件以其邻接关系的封闭端焊接在一起。 下杯包括卷曲后部，其具有径向凸缘，其上具有轴向延伸的双向油封，并且在卷曲的后部中具有间隔开的凹部，以允许油在其中流动。 上杯与下杯法兰相比，包括径向法兰缩径。 凸缘也在其上具有唇形密封。 活塞是弹簧加载的，响应于活塞两侧的流体流动而在孔和沉孔中上下移动以吸收移动冲击。

公开(公告)号：US5927178A

公开(公告)日：1999-07-27

申请号：US976775

申请日：1997-11-24

Applicant: Sven Stenquist

Inventor： Sven Stenquist

IPC: B30B1/00 ,  F15B1/02 ,  F15B1/24 ,  F15B7/08 ,  F01B7/20 ,  F15B21/04

CPC classification number: B30B1/007 ,  F15B1/02 ,  F15B1/24 ,  F15B7/08 ,  F15B2201/205 ,  F15B2201/21 ,  F15B2201/215 ,  F15B2201/312 ,  F15B2201/32 ,  F15B2201/413 ,  F15B2201/4155

Abstract: A hydraulic actuator for a hydraulically driven device has a hydraulic cylinder, a first piston slidably received for reciprocation within the cylinder and defining a hydraulic fluid chamber with the cylinder, a second piston slidably received for reciprocation within a cavity in an actuator rod connected to the first piston and defining a gas chamber on one side of the second piston and an accumulator chamber on the other side of the second piston. A passage formed in the first piston communicates the hydraulic chamber with the accumulator chamber and a pressure relief valve selectively permits hydraulic fluid flow through the passage from the hydraulic chamber to the accumulator chamber to limit the maximum pressure of the hydraulic fluid within the hydraulic chamber and the hydraulically driven device. Preferably, during normal operation of the actuator and the hydraulically driven device the pressure of the hydraulic fluid is less than that required to open the pressure relief valve. The pressure of the gas in the gas chamber and acting on the second piston forces hydraulic fluid in the accumulator chamber into the hydraulic fluid chamber through a check valve when the pressure in the accumulator chamber is greater than the pressure in the hydraulic fluid chamber to reset the accumulator.

Abstract translation: 用于液压驱动装置的液压致动器具有液压缸，第一活塞可滑动地容纳以用于在缸内往复运动并且限定具有缸的液压流体室;第二活塞，其可滑动地容纳在与连接到所述缸的致动器杆内的空腔内往复运动 第一活塞并且在第二活塞的一侧上限定一个气室，在第二活塞的另一侧限定一个储气室。 形成在第一活塞中的通道将液压室与蓄能室连通，并且压力释放阀选择性地允许液压流体流过从液压室到蓄能室的通道，以限制液压室内的液压流体的最大压力， 液压驱动装置。 优选地，在致动器和液压驱动装置的正常操作期间，液压流体的压力小于打开压力释放阀所需的压力。 气室中的气体作用在第二活塞上的压力当蓄能室中的压力大于液压室中的压力以复位时，通过止回阀迫使蓄能室中的液压流体进入液压腔室 蓄能器。