Vibration driven motor

Details Vibration driven motor Vibration driven motor

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.

REFERENCES:
patent: 4739212 (1988-04-01), Imasaka
patent: 4926085 (1990-05-01), Sawayama et al.
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

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