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    • 5. 发明授权
    • Load ring mounting of pumping plunger sleeve
    • 泵送柱塞套筒的负载环安装
    • US08579611B2
    • 2013-11-12
    • US12008184
    • 2008-01-09
    • Robert Lucas
    • Robert Lucas
    • F04B19/00A61M1/00
    • F02M59/48F02M59/02F04B1/0421F04B53/166F04B53/168
    • A clamping and seal loading technique for securing the plunger sleeve to the pump housing of a single plunger fuel pump. This is achieved by providing a load ring between a sleeve retainer and the sleeve, such that the axial force applied by the retainer during installation and attachment to the plunger bore wall of the housing, is distributed more evenly on the sleeve and the sealing surface of the sleeve against the housing adjacent to the pumping chamber. The even distribution of force minimizes misalignment of the sleeve and thus maintains concentricity between the sleeve and the plunger.
    • 用于将柱塞套筒固定到单个柱塞燃料泵的泵壳体的夹紧和密封装载技术。 这通过在套筒保持器和套筒之间提供负载环来实现,使得在安装和附接到壳体的柱塞孔壁期间由保持器施加的轴向力更均匀地分布在套筒和密封表面上 套筒抵靠靠近泵送室的壳体。 力的均匀分布最小化套筒的未对准,从而保持套筒和柱塞之间的同心度。
    • 8. 发明授权
    • Three element diaphragm damper for fuel pump
    • 燃油泵三元隔膜阻尼器
    • US09243623B2
    • 2016-01-26
    • US13878076
    • 2011-10-04
    • Robert Lucas
    • Robert Lucas
    • F04B43/02F04B11/00F04B53/00
    • F04B11/00B23D59/006B27B21/04F04B1/0404F04B11/0008F04B43/02F04B53/001F04B53/004
    • A damper assembly for a fuel pump includes at least one diaphragm assembly formed by joining two metal diaphragms to respective two sides of an imperforate central plate, thereby creating a pair of closely spaced diaphragms, each acting upon its own gas volume. Preferably, the diaphragm assembly has (a) a circular or polygonal central plate, (b) a first circular diaphragm having a rim portion sealingly secured as by welding to the plate and a relatively thin, flexible, convex portion projecting from one side of the plate and defining a first pressurized gas volume, and (c) a second circular diaphragm having a rim portion sealingly secured as by welding to the plate and a relatively thin, flexible, convex portion projecting from the other side of the plate and defining an independent second pressurized gas volume. The diaphragm assembly can be supported radially inside, outside, or on the weld.
    • 用于燃料泵的阻尼器组件包括通过将两个金属隔膜连接到无孔中心板的相应两侧而形成的至少一个隔膜组件,从而形成一对紧密间隔的隔膜,每个膜片以其自身的气体体积为单位。 优选地,隔膜组件具有(a)圆形或多边形中心板,(b)第一圆形隔膜,其具有通过焊接密封地固定到板上的边缘部分,以及相对薄的,柔性的凸起部分,其从 并且限定第一加压气体体积,和(c)第二圆形隔膜,其具有通过焊接密封地固定到所述板上的边缘部分以及从所述板的另一侧突出的相对薄的柔性凸部,并且限定独立的 第二加压气体体积。 隔膜组件可以径向地支撑在焊缝的外部,外部或上。