Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 11, 2007
Patent Application Number
11369249
Date Filed
March 7, 2006
Patent Primary Examiner
Patent abstract
The piezoelectric element of an engine knock sensor is held between upper and lower ring-shaped bases by two identical clips that extend through the piezoelectric element and engage each base. Each clip has a ring-shaped flange engaging a groove circumscribing the inner wall of one of the bases, with the flanges of the clips engaging opposite bases. Also, each clip has three legs that engage a groove in the opposite base. Each clip leg is disposed between two legs of the other clip.
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