Piezo-electric motor

Details Piezo-electric motor Piezo-electric motor

2008-06-09

2009-12-29

Dougherty, Thomas M (Department: 2837)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S311000

Reexamination Certificate

active

07638929

ABSTRACT:
In a piezo-electric motor with alternately electrically actuated clamping piezo packs arranged between a reference part and a drive part and with two stepping piezo packs arranged in an opposite sense and assigned to each clamping piezo pack or to one clamping piezo pack or a support structure, the stepping piezo stacks are connected via quasi-pivotal joint structures to a foot at locations which are spaced from each other in the longitudinal direction of the clamping piezo pack and from the drive part.

REFERENCES:
patent: 5182484 (1993-01-01), Culp
patent: 7034439 (2006-04-01), Richter
patent: 2006/0125350 (2006-06-01), Audren et al.
patent: 101 27 444 (2002-04-01), None
patent: WO 00/17944 (2000-03-01), None
patent: WO 2007/068441 (2006-12-01), None

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