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Method and apparatus for detecting the angular position of a variable position camshaft

  • US 5,548,995 A
  • Filed: 11/22/1993
  • Issued: 08/27/1996
  • Est. Priority Date: 11/22/1993
  • Status: Expired due to Term
First Claim
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1. A variable cam timing system for an internal combustion engine comprising,a variable position camshaft comprising a plurality of cams rotating in a variable angular relationship to a crankshaft,means for altering the angular position of said camshaft in relation to said crankshaft, andmeans responsive to a first signal indicative of the rotational speed of the crankshaft and to a second signal indicative of the angular position of said camshaft for determining the angular position of said camshaft in relation to said crankshaft.

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