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    • 1. 发明授权
    • Electric-motor in-line integrated hydraulic pump
    • 电动马达一体式液压泵
    • US5261796A
    • 1993-11-16
    • US982729
    • 1992-11-27
    • Albin J. NiemiecJames V. BloomquistWilliam E. Sargo
    • Albin J. NiemiecJames V. BloomquistWilliam E. Sargo
    • F04C2/344F04B1/20F04B17/03F04C11/00F04C14/08F04C15/00H02K5/12H02K7/14H02K9/19F04B39/06
    • F04B1/20F04B17/03F04C11/001F04C11/008F04C14/08F04C15/0096H02K5/12H02K7/14H02K9/19F04B2203/0204F04B2203/0209
    • An integrated in-line electric motor/hydraulic pump that includes a pump housing having a pair of end members mounted at opposed ends of the housing. An electric motor includes a rotor on a shaft journalled between the end members and a stator surrounding the rotor within the housing. A pump inlet opens into the interior of the housing. First and second vane pump cartridges are integrated into one of the end members. Each vane pump cartridge includes a rotor coupled to the shaft, and a plurality of vane carried by the rotor to engage a vane cam ring that surrounds the rotor, which defines at least one pumping cavity between the cam ring and the rotor. A vane pump inlet passage within the one end member extends between and operatively couples the housing interior to the pumping cavities of both the first and second vane pump cartridges for feeding fluid from the housing interior to both cartridges in parallel. A vane pump discharge is also carried by the one end member and operatively coupled to both of the pumping cavities in parallel.
    • 一种集成的在线电动机/液压泵,其包括具有安装在壳体的相对端处的一对端部构件的泵壳体。 电动机包括轴上的转子,所述转轴安装在端部构件和围绕壳体内的转子的定子之间。 泵入口通向外壳的内部。 第一和第二叶片泵筒被集成到一个端部构件中。 每个叶片泵筒包括联接到轴的转子和由转子承载的多个叶片,以接合围绕转子的叶片凸轮环,其限定凸轮环和转子之间的至少一个泵送腔。 一个端部构件内的叶片泵入口通道在壳体内部之间延伸并且将壳体内部可操作地连接到第一和第二叶片泵筒的泵送空腔,用于将流体从壳体内部平行地供给到两个筒体。 叶片泵排出物也由一端构件承载并且可操作地并联到两个泵送空腔。