Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1992-11-24
1994-07-12
Budd, Mark D.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
H01L 4108
Patent
active
053292014
ABSTRACT:
A vibration wave driven motor including a vibration member having a friction contact surface and a rotor having a contact surface, which is in contact with the vibration member. The contact surface of the rotor consists of a composite resin filled and blended with a wear modifier and a friction regulator, as needed, and has a Rockwell hardness of 80 to 110. The friction surface of the vibration member is formed by a multi-layered film of a nickel intermetallic compound having a Vickers hardness of 800 to 1,200.
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patent: 4939404 (1990-07-01), Inagaki et al.
patent: 5013956 (1991-05-01), Kurozumi et al.
patent: 5150000 (1992-09-01), Imasaka et al.
patent: 5166572 (1992-11-01), Ohnishi
patent: 5187406 (1993-02-01), Seki
Budd Mark D.
Canon Kabushiki Kaisha
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