Torsion element and torsion actuator

Details Torsion element and torsion actuator Torsion element and torsion actuator

2006-05-30

2006-05-30

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S328000

Reexamination Certificate

active

07053528

ABSTRACT:
A torsion element includes a torsionally soft, flexurally stiff torsion rod, a plurality of piezoceramic fibers wound on the torsion rod, and a plurality of electrodes wound on the torsion rod cross-wise at an angle a with the respect to the plurality of piezoceramic fibers and electrically contacting the piezoceramic fibers. In addition, a torsional actuator including such a torsion element clamped in a fixed bearing and the free end(s) being operatively connected to a gearing for converting the motion.

REFERENCES:
patent: 5552658 (1996-09-01), Dibbern et al.
patent: 5786655 (1998-07-01), Okumura et al.
patent: 6952072 (2005-10-01), Iino et al.
patent: 4033089 (1990-10-01), None
patent: 4033089 (1992-03-01), None

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