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Engine valve actuation system

  • US 20030213444A1
  • Filed: 12/04/2002
  • Published: 11/20/2003
  • Est. Priority Date: 05/14/2002
  • Status: Abandoned Application
First Claim
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1. An engine valve actuation system, comprising:

  • an intake valve moveable between a first position that blocks a flow of fluid and a second position that allows a flow of fluid;

    a cam assembly connected to move the intake valve between the first position and the second position;

    a fluid actuator configured to selectively modify a timing of the intake valve in moving from the second position to the first position; and

    a snubbing valve configured to restrict a flow of fluid from the fluid actuator so as to reduce a rate of movement of the intake valve to the first position.

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