Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1999-03-18
2000-10-31
Dougherty, Thomas M.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310357, 310370, G01P 904, G01P 1509, H01L 4108
Patent
active
061407488
ABSTRACT:
Disclosed is a high voltage sensitivity coriolis force driven piezoelectric-gyroscope-transformer system, and method of its use. The system is of a preferably generally elongated rectangular solid shape and provides two stacked regions of oppositely polarized direction driving side piezoelectric material on a first longitudinally disposed side thereof, and two adjacent regions of longitudinally oppositely polarized direction sensing side piezoelectric material on a second longitudinally disposed side thereof. In use the system is caused to rotate about a essentially centrally located longitudinally oriented axis therethrough from the first longitudinally disposed side to the second, while a flex effecting driving voltage is applied across the two stacked regions of said oppositely polarization direction driving side piezoelectric material on the first longitudinally disposed side and an output voltage is sensed at the end of the second longitudinally disposed, sensing side. Also described are tuning-fork shaped piezoelectric-gyroscope-transformer systems made from present invention combination piezoelectric-gyroscope-transformer system(s).
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Board of Regents of the University of Nebraska
Dougherty Thomas M.
Welch James D.
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