Device and method for driving at least one capacitive actuator

Details Device and method for driving at least one capacitive actuator Device and method for driving at least one capacitive actuator

1999-02-16

2000-05-09

Dougherty, Thomas M.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

F02D 4130

Patent

active

060608145

ABSTRACT:
A device for driving at least one capacitive actuator contains two capacitors C1 and C2 connected in parallel. The two parallel-connected capacitors C1, C2 are charged to an output voltage U.sub.SNT of a voltage source SNT. The actuator is charged with a voltage U.sub.C1+C2 =2*U.sub.SNT by the capacitors, and thereafter discharged into the capacitors, which are again connected in parallel and are subsequently recharged to the output voltage U.sub.SNT of the voltage source SNT.

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patent: 5208505 (1993-05-01), Mitsuyasu
patent: 5214340 (1993-05-01), Suzuki

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