Vibration motor with a rotor/stator interface made of shape memo

Details Vibration motor with a rotor/stator interface made of shape memo Vibration motor with a rotor/stator interface made of shape memo

1996-11-29

1998-05-05

Stephan, Steven L.

Electricity: motive power systems

Impact, mechanical shock, or vibration-producing motors

310 15, 310323, H01L 4108

Patent

active

057479518

ABSTRACT:
A vibration motor comprising a stator and a rotor together with excitation means for deforming said stator in a vibratory mode enabling it to rotate the rotor, the motor being characterized in that the stator and/or the rotor include(s) a shape memory alloy in the vicinity of or at a zone of mutual contact between the rotor and the stator.

REFERENCES:
patent: 5159224 (1992-10-01), Kramer et al.
European Search Report, Aug. 1, 1996.
Japanese Patent Abstract, Publication No. JP64001483, May 1, 1989.

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