Engine including valve lift mechanism with oil flow control features

Engine including valve lift mechanism with oil flow control features

  • CN 102,373,982 A
  • Filed: 08/18/2011
  • Published: 03/14/2012
  • Est. Priority Date: 08/18/2010
  • Status: Active Application
First Claim
Patent Images

1. engine pack comprises:

  • Engine structure, it limits first cylinder-bore and the first lifter housing;

    Camshaft, it is rotatably mounted by engine structure;

    WithThe first valve lifting gear, it is positioned at the first lifter housing, first cam lobe of the said first valve lifting gear engages male wheel shaft and comprising;

    Housing structure;

    Said housing structure limits and comprises from first annular wall of the first oily passage of its extend past;

    The inner circumference of first annular wall limits first continuum;

    Said first continuum is along the axial range corresponding to the first oily passage, from being positioned at primary importance on the inner circumference to the second place that is positioned on the inner circumference from primary importance circumferential offset at least 180 degree;

    WithPlunger;

    Said plunger is located in the housing structure in first annular wall;

    Said plunger limits second annular wall;

    Said second annular wall comprises a series of holes, and at least a portion of the said a series of holes and the first oily passage is axially aligned and be separated from one another through the outer circumferential area of second annular wall, and first continuum of said outer circumferential area butt first annular wall is to prevent that oil flow is through said outer circumferential area.

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