利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

10 条记录 (耗时 0.036 秒)

    Low deviation pressure relief valve for fuel pumps
    1.
    发明授权
    Low deviation pressure relief valve for fuel pumps 有权
    燃油泵低偏压减压阀

    公开(公告)号：US06840270B2

    公开(公告)日：2005-01-11

    申请号：US10267479

    申请日：2002-10-09

    申请人： DeQuan Yu ,  Stephen T. Kempfer ,  Christopher C. Lobombarbe ,  David J. Rink ,  David M. Dokas ,  Paul E. Fisher ,  Jeff Moll

    发明人： DeQuan Yu ,  Stephen T. Kempfer ,  Christopher C. Lobombarbe ,  David J. Rink ,  David M. Dokas ,  Paul E. Fisher ,  Jeff Moll

    IPC分类号： F16K15/04 ,  F16K27/02

    CPC分类号： F16K15/044 ,  F16K27/0245 ,  Y10T137/7914 ,  Y10T137/7925 ,  Y10T137/7927 ,  Y10T137/7937

    摘要： A low deviation pressure relief valve for a fuel pump consisting of a housing having an elongated bore having a continuous wall, an axis, shoulders arranged on the wall so as to extend toward the axis. A ball in the housing has a diameter at least less than the diameter of the bore and a ball retainer located in the bore upstream from the shoulders forms a ball seat by pre-coining process. The ball is smaller than the retainer seat in diameter to ensure an edge seal with the ball. A spring coaxial with the axis located down stream from the ball retainer and supported on the shoulders, and the ball is located between the spring and the ball seat wherein low flow restriction is created and reduced pressure variation is created as fluid flows past the ball and less buckling in the spring is created by guide ribs.

    摘要翻译： 一种用于燃料泵的低偏压减压阀，其由具有细长孔的壳体组成，所述细长孔具有连续壁，轴线，肩部布置在所述壁上以朝向所述轴线延伸。 壳体中的球具有至少小于孔径的直径，并且位于肩部上方的孔中的球保持器通过预压制过程形成球座。 球的直径小于保持座，以确保与球的边缘密封。 一个弹簧与轴线同轴，该轴线位于从球保持器的下游并支撑在肩部上，并且球位于弹簧和球座之间，其中产生低流量限制，并且随着流体流过球而产生减小的压力变化， 通过引导肋产生较少的弹簧屈曲。

    Variable set point fuel pressure regulator
    2.
    发明授权
    Variable set point fuel pressure regulator 有权
    可变设定点燃油压力调节器

    公开(公告)号：US07624720B1

    公开(公告)日：2009-12-01

    申请号：US12184941

    申请日：2008-08-01

    申请人： David M. Dokas ,  Robert Joseph Pyle ,  Dequan Yu

    发明人： David M. Dokas ,  Robert Joseph Pyle ,  Dequan Yu

    IPC分类号： F02M59/36 ,  F02M59/38

    CPC分类号： F02M63/0052 ,  F02M63/0235 ,  F02M63/0245

    摘要： A fuel pressure regulator is provided. The fuel pressure regulator includes a body forming an inlet and an outlet, a seal element positioned intermediate the inlet and the outlet, an armature positioned to apply force to the seal element, and a solenoid coiled around the armature, wherein excitation of the solenoid causes a change in at least one of a position of the armature relative to the seal element and a force applied by the armature to the seal element to vary a regulated fuel pressure set-point at which fuel flows through the outlet.

    摘要翻译： 提供燃料压力调节器。 燃料压力调节器包括形成入口和出口的本体，位于入口和出口中间的密封元件，定位成向密封元件施加力的电枢以及围绕电枢卷绕的螺线管，其中螺线管的激励导致 电枢相对于密封元件的位置和由电枢施加到密封元件的力中的至少一个的变化，以改变燃料流过出口的调节燃料压力设定点。

    Low noise fuel pump design
    3.
    发明授权
    Low noise fuel pump design 有权
    低噪音燃油泵设计

    公开(公告)号：US06890144B2

    公开(公告)日：2005-05-10

    申请号：US10256619

    申请日：2002-09-27

    申请人： DeQuan Yu ,  Stephen Thomas Kempfer ,  Paul Edward Fisher ,  Norman Nelson Krieger ,  David M. Dokas

    发明人： DeQuan Yu ,  Stephen Thomas Kempfer ,  Paul Edward Fisher ,  Norman Nelson Krieger ,  David M. Dokas

    IPC分类号： F04D5/00

    CPC分类号： F02M37/048 ,  F04D5/002 ,  F04D5/007 ,  F05B2250/503

    摘要： A regenerative fuel pump comprising a housing, a pump cover having a first flow channel formed therein, a pump body having a second flow channel formed therein whereby the first flow channel and the second flow channel define a pumping chamber, and an impeller mounted between the pump cover and pump body and including a plurality of vanes spaced circumferentially about the impeller and defining a plurality of vane grooves. The vanes are spaced un-evenly in a non-repeating pattern about the impeller. The first and second flow channels each include an inlet end, an outlet end, and a stripper area defined as the area between the inlet end and the outlet end extending from the inlet end away from the flow channel. Each of the stripper areas including a plurality of grooves formed therein adapted to dampen pressure pulsations within the pumping chamber.

    摘要翻译： 一种再生燃料泵，包括壳体，具有形成在其中的第一流动通道的泵盖;泵体，其具有形成在其中的第二流动通道，由此所述第一流动通道和所述第二流动通道限定泵送室;以及叶轮， 泵盖和泵体，并且包括围绕叶轮周向间隔开的多个叶片并且限定多个叶片槽。 叶片以围绕叶轮的非重复图案不均匀地间隔开。 第一和第二流动通道各自包括入口端，出口端和剥离器区域，其被定义为从入口端远离流动通道延伸的入口端和出口端之间的区域。 每个剥离器区域包括形成在其中的多个槽，其适于抑制泵送室内的压力脉动。

    Hydraulic control unit for a vehicular brake system having a self-priming pump
    4.
    发明授权
    Hydraulic control unit for a vehicular brake system having a self-priming pump 有权
    具有自吸泵的车辆制动系统的液压控制单元

    公开(公告)号：US06199962B1

    公开(公告)日：2001-03-13

    申请号：US09344203

    申请日：1999-06-24

    申请人： David M. Dokas ,  Blaise J. Ganzel

    发明人： David M. Dokas ,  Blaise J. Ganzel

    IPC分类号： F04B5300

    CPC分类号： F04B5/00 ,  B60T8/4031 ,  B60T8/4872 ,  B60T13/686 ,  F04B53/126

    摘要： A hydraulic control unit of a vehicular brake system includes a housing having a cavity. Drive means is received in the cavity of the housing. A fluid supply source is in fluid communication with the housing. A piston slidably is disposed in the housing. The piston includes a first end and a second end wherein the second end is in contact with the drive means so that the piston moves from a bottom-dead-center position to a top-dead-center position. Biasing means is in contact with the first end of the piston so that the piston moves from a top-dead-center position to the bottom-dead-center position. A first variable-volume chamber is defined by the piston and the housing whereby fluid is transferred from the first variable-volume chamber when the piston moves from the bottom-dead-center position. A constant-volume chamber is defined by the piston and the housing, whereby fluid is transferred from the fluid supply source to the first variable-volume chamber when the piston moves from the top-dead-center position to the bottom-dead-center position. A second variable volume chamber is defined by the piston and the housing, whereby fluid is transferred from the fluid supply source to the second variable-volume chamber when the piston moves from the bottom-dead-center position to the top-dead-center position.

    摘要翻译： 车辆制动系统的液压控制单元包括具有空腔的壳体。 驱动装置被容纳在壳体的空腔中。 流体供应源与壳体流体连通。 可滑动地设置在壳体中的活塞。 活塞包括第一端和第二端，其中第二端与驱动装置接触，使得活塞从下死点位置运动到上止点位置。 偏压装置与活塞的第一端接触，使得活塞从上止点位置运动到下死点位置。 第一可变容积室由活塞和壳体限定，从而当活塞从下死点位置移动时，流体从第一可变容积室转移。 恒定容积室由活塞和壳体限定，当活塞从上止点位置移动到下死点位置时，流体从流体供应源传送到第一可变容积室 。 第二可变容积室由活塞和壳体限定，当活塞从下死点位置移动到上止点位置时，流体从流体供应源传递到第二可变容积室 。

    Hydraulic pump assembly and method of making same
    9.
    发明授权
    Hydraulic pump assembly and method of making same 失效
    液压泵总成及其制作方法

    公开(公告)号：US6000764A

    公开(公告)日：1999-12-14

    申请号：US999368

    申请日：1997-12-29

    申请人： David M. Dokas

    发明人： David M. Dokas

    IPC分类号： B60T8/40 ,  F04B1/04 ,  F04B53/00 ,  F04B53/12 ,  F04B53/22 ,  F04B19/00 ,  F16K15/00 ,  F16L55/18

    CPC分类号： F04B53/007 ,  B60T8/4031 ,  F04B1/0404 ,  F04B53/126 ,  F04B53/22 ,  Y10T137/0441 ,  Y10T137/7927

    摘要： A vehicle braking system including an antilock braking system or a traction assist braking system, or both, operatively coupled therewith, is disclosed. The system includes a pump assembly including a housing defining a main bore, an inlet bore, and an outlet bore. A reciprocatable piston is retained in the main bore. An inlet check valve is operable to pass fluid to the outlet bore when the piston reciprocates. An outlet check valve is inserted into the outlet bore and operates to pass fluid from the pump assembly when the piston reciprocates. A deformable flange extends sufficiently outward from a valve body of the outlet check valve. The flange secures the outlet check valve within the outlet bore when the flange is deformed into displacing engagement with the outlet bore. Further, a method of securing a valve in a bore of a pump assembly is disclosed.

    摘要翻译： 公开了一种包括防抱死制动系统或牵引辅助制动系统或两者的车辆制动系统，其可操作地耦合。 该系统包括泵组件，其包括限定主孔的壳体，入口孔和出口孔。 可往复运动的活塞保持在主孔中。 入口止回阀可操作以在活塞往复运动时将流体传递到出口孔。 出口止回阀插入到出口孔中，并且当活塞往复运动时操作以使来自泵组件的流体流动。 可变形凸缘从出口止回阀的阀体充分向外延伸。 当凸缘变形成与出口孔移位接合时，凸缘将出口止回阀固定在出口孔内。 此外，公开了一种将阀固定在泵组件的孔中的方法。

    High pressure fluid pump for use in vehicular braking system having anti-lock and traction assist feature
    10.
    发明授权
    High pressure fluid pump for use in vehicular braking system having anti-lock and traction assist feature 失效
    用于车辆制动系统的高压流体泵具有防抱死和牵引辅助功能

    公开(公告)号：US5628625A

    公开(公告)日：1997-05-13

    申请号：US537542

    申请日：1995-10-02

    申请人： David M. Dokas

    发明人： David M. Dokas

    IPC分类号： B60T8/40 ,  F04B1/04 ,  F04B53/12 ,  F04B53/00

    CPC分类号： F04B1/0408 ,  B60T8/4031 ,  F04B53/126

    摘要： A pump for a vehicle braking or traction control system integrated into a hydraulic control unit. The housing for the hydraulic control unit has at least one counterbore in which a cylindrical sleeve is disposed. The cylindrical sleeve has a counterbore which is open at one end and closed at the other. A piston is reciprocal in the counterbore by a motor driven cam. The piston, in conjunction with the closed end of the sleeve, forms a pumping chamber having an outlet port provided through the closed end of the sleeve. Low pressure brake fluid is received into the pumping chamber through an axial fluid passageway and a one-way check valve. A piston support land is provided on the internal surface of the cylindrical sleeve and a mating opposing land is provided on the external surface of the piston. The opposing land has a plurality of equally spaced annular grooves which entrap sufficient fluid to provide a uniform fluid film between the piston support and opposing lands.

    摘要翻译： 用于车辆制动或牵引控制系统的泵，集成到液压控制单元中。 用于液压控制单元的壳体具有至少一个安装有圆柱形套筒的沉孔。 圆柱形套筒具有在一端敞开并在另一端封闭的沉孔。 活塞通过电动机驱动凸轮在沉头孔中往复运动。 活塞与套筒的封闭端一起形成泵送室，其具有穿过套筒封闭端的出口。 低压制动液通过轴向流体通道和单向止回阀接收到泵送室中。 在圆柱形套筒的内表面上提供活塞支撑台面，并且在活塞的外表面上设置一个配合的相对的平台。 相对的平台具有多个等间距的环形凹槽，该环形凹槽捕获足够的流体以在活塞支撑件和相对的平台之间提供均匀的流体薄膜。