The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 17, 2004
Filed:
Jun. 09, 2003
Applicant:
Inventor:
Luis F. Barron, El Paso, TX (US);
Assignee:
Delphi Technologies, Inc., Troy, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L 2/322 ;
U.S. Cl.
CPC ...
G01L 2/322 ;
Abstract
A knock sensor, comprising: a sleeve; a piezoelectric transducer disposed about the sleeve, the piezoelectric transducer being insulated from the sleeve and in electrical communication with a first terminal and a second terminal; wherein the piezoelectric transducer is preloaded by a combination seismic mass and nut configured to threadingly engage a portion of the sleeve and provide a mass to the knock sensor, the combination seismic mass and nut being integrally formed out of the same material.