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    • 7. 发明申请
    • FUEL PUMP
    • 燃油泵
    • US20120301289A1
    • 2012-11-29
    • US13516618
    • 2010-12-09
    • Matthias FischerBernd JaegerZlatko Penzar
    • Matthias FischerBernd JaegerZlatko Penzar
    • F01D1/02
    • F04D5/008F02M59/12F04D5/002F04D5/007F04D29/406F04D29/669F05B2250/503
    • A fuel pump, including a driven impeller, which rotates in a pump housing and on the two sides comprises guide blades that each delimit a ring of blade chambers, and further including partial ring-shaped channels, which are arranged on both sides in the region of the guide blades in the pump housing and which form delivery chambers with the blade chambers for delivering fuel, wherein an inlet channel leads into the one delivery chamber and the other delivery chamber leads into an outlet channel, and mutually opposing blade chambers are connected to each other. The cross-sectional surface of the partial ring-shaped channel arranged on the inlet side decreases toward the end of the partial ring-shaped channel to zero. The region in which the cross-sectional surface decreases extends over an angular region of more than 45°.
    • 包括在泵壳体中并在两侧旋转的从动叶轮的燃料泵包括引导叶片,每个引导叶片限定叶片环的环,并且还包括部分环形通道,其布置在区域的两侧 的泵壳中的导向叶片,并且其形成具有用于输送燃料的叶片室的输送室,其中入口通道通向一个输送室,另一个输送室通向出口通道,并且相互相对的叶片室连接到 彼此。 布置在入口侧的部分环形通道的横截面朝向部分环形通道的端部减小到零。 横截面减小的区域在大于45°的角度区域上延伸。