Electricity: motive power systems – Impact – mechanical shock – or vibration-producing motors
Patent
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.
Jones Judson H.
SFIM Industries
Stephan Steven L.
LandOfFree
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