Ceramic motor

Details Ceramic motor Ceramic motor

1994-07-08

1997-04-01

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310317, 310366, H01L 4108

Patent

active

056169809

ABSTRACT:
A micromotor for moving a body including at least one rectangular piezoelectric plate having long and short edges and first and second faces, electrodes attached to the first and second faces and a ceramic spacer attached to the center of a first one of the edges and operative to be pressed against the body. A resilient force is applied to the center of a second edge opposite the first edge, whereby the ceramic spacer is pressed against the body. At least some of the electrodes are electrified by either an AC or an asymmetric unipolar pulsed voltage.

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Patent Abstracts of Japan vol. 017 No. 261 (E-1369), 21 May 1993 & JP-A-05 003688 (Omron Corp.) 8 Jan. 1993 *abstract*.

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