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    • 7. 发明授权
    • Electric motor fuel pump having a reduced length
    • 电机燃油泵具有减小的长度
    • US07874818B2
    • 2011-01-25
    • US10974202
    • 2004-10-27
    • Wade A. GottschalkPeter P. Kuperus
    • Wade A. GottschalkPeter P. Kuperus
    • F04B35/04H02K13/00
    • F04B53/22
    • An electric motor and fuel pump assembly with a housing having generally opposed ends with an electric motor within the housing having an armature with an axial commutator adjacent one end of the armature and one end of the housing. A fuel pump is positioned adjacent another end of the housing and the armature and is operably connected to the armature for being driven by the electric motor. A carrier within the housing has guides slidably receiving axially elongate brushes disposed generally parallel to the armature axis with ends contacting the commutator. Each brush is biased generally axially into contact with the commutator by a torsional spring with a coiled body having an axis generally transverse to the axis of the armature to decrease the overall axial length of the pump assembly. Preferably an end cover of the housing overlies and encloses the springs and brushes and preferably has an outlet port laterally offset from the brushes and within the outer periphery of the end cover to further decrease the overall axial length of the fuel pump assembly. Preferably electrical connector blades extend through the end cover and are laterally offset from and axially overlap in electrical connection with the brushes for supplying current to the motor.
    • 一种具有壳体的电动马达和燃料泵组件,其具有大致相对的端部,在壳体内具有电动机,其具有衔铁,该衔铁具有邻近衔铁的一端和壳体的一端的轴向换向器。 燃料泵位于壳体和电枢的另一端附近并且可操作地连接到电枢以由电动机驱动。 壳体内的载体具有可滑动地接收轴向细长的刷子的引导件,其大致平行于电枢轴线设置,端部接触换向器。 每个刷子通常被轴向偏压以通过扭转弹簧与扭转弹簧相接触,所述扭转弹簧的螺旋体具有大致横向于电枢轴线的轴线,以减小泵组件的整个轴向长度。 优选地,壳体的端盖覆盖并包围弹簧和刷子,并且优选地具有横向偏离电刷并且在端盖的外周边内侧的出口端口,以进一步减小燃料泵组件的整体轴向长度。 优选地,电连接器叶片延伸穿过端盖并且与用于将电流供应到电动机的电刷电连接并横向偏移并且轴向重叠。
    • 9. 发明授权
    • Engine dual fuel supply apparatus
    • 发动机双燃料供应装置
    • US06394426B1
    • 2002-05-28
    • US09612076
    • 2000-07-07
    • William E. GalkaJoseph M. GrahamAnthony M. KueffnerPeter P. KuperusRonald H. Roche
    • William E. GalkaJoseph M. GrahamAnthony M. KueffnerPeter P. KuperusRonald H. Roche
    • F02M712
    • F02M17/04F02M7/22
    • An engine fuel apparatus has a fuel and air mixing passage through which a rich fuel and air mixture is provided to an engine to support the operation of the engine at idle and low speed, low load engine operation, and a pressurized fuel delivery passage provides liquid fuel to a downstream fuel injector for operation of the engine at high load, high speed and wide open throttle engine operating conditions. A shut-off valve prevents the flow of fuel to the mixing passage when a throttle valve therein, which controls engine operation, is opened a predetermined amount from idle to prevent the flow of the fuel into the mixing passage at high load and/or high speed engine operation. Another shut-off valve prevents the flow of pressurized fuel to the downstream fuel injector device when the throttle valve is between idle and a predetermined position off of idle to prevent the flow of pressurized fuel to the fuel injector device under low speed, low load engine operation. Desirably, a camshaft rotated in response to rotation of the throttle valve is used to actuate both shut-off valves.
    • 发动机燃料装置具有燃料和空气混合通道,通过该燃料和空气混合通道将丰富的燃料和空气混合物提供给发动机以在怠速和低速,低负载发动机运行时支持发动机的操作,并且加压燃料输送通道提供液体 燃料到下游燃料喷射器,用于在高负载,高速和大开度节气门发动机运行条件下操作发动机。 当其中控制发动机操作的节流阀从怠速打开预定量时,截止阀防止燃料流向混合通道,以防止燃料在高负载和/或高压下进入混合通道 高速发动机运转。 当节流阀处于怠速状态和空闲状态之间的预定位置时,另一个截止阀防止加压燃料流向下游燃料喷射器装置,以防止加压燃料在低速低负载发动机下流向燃料喷射器装置 操作。 理想地,响应于节流阀的旋转而旋转的凸轮轴用于致动两个截止阀。