Efficiency driver system for piezoelectrics

Details Efficiency driver system for piezoelectrics Efficiency driver system for piezoelectrics

1992-04-13

1993-09-14

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310317, 310319, H01L 4108

Patent

active

052452425

ABSTRACT:
This invention drives a piezoelectric element by transferring energy from one element 5 to another 6 by way of an intermediate inductor 4. Additional energy is obtained from an energy source 1 to make up for internal losses and for the work performed by the piezoelectric elements. The energy is transferred as needed by switches which are operated by a controller for proper timing of energy transfer between the elements and energy boosts from the energy source.

REFERENCES:
patent: 2694779 (1954-11-01), Minnich
patent: 2985003 (1961-05-01), Gelfand et al.
patent: 3100886 (1963-08-01), Marks
patent: 3585405 (1971-06-01), Stettiner
patent: 3800170 (1974-03-01), Klein et al.
patent: 4588917 (1986-05-01), Ratcliff
patent: 4628275 (1986-12-01), Skipper et al.
patent: 4947074 (1990-08-01), Suzuki

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