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Temperature Sensing Coordination with Engine Valve Timing Using Electric Valve Actuator

  • US 20090241872A1
  • Filed: 03/28/2008
  • Published: 10/01/2009
  • Est. Priority Date: 03/28/2008
  • Status: Active Grant
First Claim
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1. A method of operation for an engine including an electrically actuated engine valve in a cylinder head, with at least an actuator coupled to the valve, the method comprising:

  • applying a potential to generate a current indicative of temperature in the actuator at least partially during a substantially non-moving condition of the actuator;

    adjusting a timing of the application of the potential based on valve location in the cylinder head.

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