A motor oil pump assembly includes: an oil pump component is supported on an end cover of a motor component, and an upper end cover of the oil pump component has an end cover cavity that runs through the upper end cover and in communication with a high-pressure cavity of the oil pump component; an inner sound insulation enclosure encloses the oil pump component and is in communication with a low-pressure cavity of the oil pump component, and the inner sound insulation enclosure and the oil pump component define an inner sound insulation cavity filled with low-pressure oil; and a pre-tightening buffering component includes a piston and an elastic member, the piston fits in with the end cover cavity to isolate the high-pressure cavity from the inner sound insulation cavity, and the elastic member is elastically sandwiched between the piston and the inner sound insulation enclosure.


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    Title :

    MOTOR OIL PUMP ASSEMBLY, STEERING SYSTEM, AND VEHICLE


    Contributors:
    YANG SHENGLIN (author) / LI JUN (author) / XUE HUI (author) / RAO GUOJIE (author) / LIU YAN (author) / WANG TAO (author) / YANG KUNZHEN (author) / LI YANZI (author) / CHEN TAIJI (author)

    Publication date :

    2020-01-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / F01M Schmierung von Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein , LUBRICATING OF MACHINES OR ENGINES IN GENERAL / F04B Verdrängerkraft- und Verdrängerarbeitsmaschinen für Flüssigkeiten , POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS



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