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:
Dec. 17, 2002
Filed:
Jan. 12, 2001
John-Cyril P. Hanisko, Southfield, MI (US);
TRW Inc., Lyndhurst, OH (US);
Abstract
A sensor ( ) for sensing stress applied to an object ( ), wherein the sensor includes a first core member (e.g., ) aligned substantially parallel to the direction of applied stress and a second core member (e.g., ) aligned substantially perpendicular to the direction of applied stress. A central core portion ( ) connects the first and second core members (e.g., and ). An excitation coil ( ) is operatively associated around the central core portion ( ). The excitation coil ( ) produces magnetic flux within the object ( ) and the first and-second core members (e.g., and ). A first detection coil (e.g., ) is operatively associated around the first core member (e.g., ). A second detection coil (e.g., ) is operatively associated around the second core member (e.g., ). The first and second detection coils (e.g., and ) detect changes in the magnetic flux as affected by applied stress.
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