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Valve clearance adjustment mechanism

  • US 20040000279A1
  • Filed: 10/01/2002
  • Published: 01/01/2004
  • Est. Priority Date: 06/28/2002
  • Status: Active Grant
First Claim
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1. An internal combustion engine, comprising:

  • an engine housing;

    a valve train disposed within said engine housing, said valve train including at least one valve moveable between closed and open positions, and at least one cam lobe mounted for rotation;

    a shaft supported by said engine housing and moveable between first and second adjustment positions;

    an adjustment member mounted to said shaft, said adjustment member having an eccentric portion;

    at least one valve actuator pivotally mounted upon said eccentric portion of said adjustment member, said valve actuator having a first portion in engagement with said cam lobe and a second portion located adjacent said valve to define a clearance space therebetween when said valve is in said closed position, wherein when said shaft is in said first adjustment position, said adjustment member may be rotated to move said valve actuator and vary said clearance space, and when said shaft is in said second adjustment position, the position of said adjustment member is fixed.

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