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. 28, 2001
Filed:
Oct. 15, 1999
Applicant:
Inventors:
Michael D. Insalaco, Niagara Falls, NY (US);
Jeffrey M. Schnellinger, Akron, NY (US);
Andrew Crawford, Tonawanda, NY (US);
Assignee:
Kistler Instrument Corporation, Amherst, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F 1/509 ;
U.S. Cl.
CPC ...
G01F 1/509 ;
Abstract
A sensor including a center post extending along the sensing axis of the sensor, a piezoelectric sensing element concentrically engaging the center post, and a preload element preloading the piezoelectric element radially outward to the axis. The center post includes a recess along the axis and the first preload element is in the recess and preloads the piezoelectric element radially outward. The sensor may include a mass concentrically engaging the piezoelectric element. The sensor senses acceleration, force or pressure.