Adjusting device with piezo drive

Details Adjusting device with piezo drive Adjusting device with piezo drive

1994-03-08

1995-06-13

Dougherty, Thomas M.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

H02N 204

Patent

active

054245974

ABSTRACT:
An adjusting device with a piezo drive is provided with two piezo translators which are brought into functional connection with a driven element by means of a spring element. A transmission of motion occurs corresponding to the change in length of the piezo translators, while resetting of the piezo translators occurs by removing the functional connection through their associated control links. Because of the continuous biasing of the spring element, a secure engagement of the driven element is guaranteed. As a result, the high precision requirements on the control links and their positioning displacements, which would otherwise be necessary for engagement, can be displaced with.

REFERENCES:
patent: 4019073 (1977-04-01), Vishnevsky et al.
patent: 4613782 (1986-09-01), Mori et al.
patent: 5036245 (1991-07-01), Ohnishi et al.
patent: 5039899 (1991-08-01), Yamaguchi
patent: 5216313 (1993-06-01), Ohnishi et al.
Forschungsberichte Aus Fein-Und Mikrotechhnik, Institut fur Zeitmessechnik, Fein-und Mikrotechnik der Universitat Stuttgart, Hahn-Schickard-Institut fur Feinwerk-und Zeitmesstechnik Stuttgart, pp. 61, 75 (1991).

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