Piezoelectric stack motor stroke amplifier

Details Piezoelectric stack motor stroke amplifier Piezoelectric stack motor stroke amplifier

1988-01-19

1988-09-06

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310346, H01L 4108

Patent

active

047695692

ABSTRACT:
An amplifier mechanism which utilizes the electroexpansion characteristics of a pair of piezoelectric stack motors pivotally mounted in a rigid frame to directly contact and move with the output actuator element of the mechanism. The stack motors are mounted in opposition in a saggital arrangement so as to provide counterbalanced lateral forces that are manifested in longitudinal amplified movement of the output actuator element.

REFERENCES:
patent: 2735025 (1956-02-01), Wiggins
patent: 4193703 (1980-03-01), Sakmann
patent: 4318023 (1982-03-01), O'Neill et al.
patent: 4613782 (1986-09-01), Mori et al.
patent: 4633118 (1986-12-01), Kosugi
patent: 4672257 (1987-06-01), Oota et al.
SAE Paper #800502, 1980, entitled "Piezomotors--Electromechanical Muscle", by C. G. O'Neill, D. S. Randall, and P. C. Smiley.

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