Vibration wave motor

Details Vibration wave motor Vibration wave motor

1985-01-28

1987-09-08

Duggan, Donovan F.

Electricity: motive power systems

Nonmagnetic motor

310317, 310322, 310323, 310328, H01L 4108

Patent

active

046926720

ABSTRACT:
A vibration wave motor for driving a movable member by a travelling vibration wave generated in a vibration member having an electrostrictive element by applying a periodic voltage to the vibration member, intermittently applies the periodic voltage to the electrostrictive element to reduce a moving speed of the movable member without reducing an amplitude of the periodic voltage.

REFERENCES:
patent: 3371233 (1968-02-01), Cook
patent: 3828770 (1974-08-01), Kuris et al.
patent: 4019073 (1977-04-01), Vishnevsky et al.
patent: 4404502 (1983-09-01), Magori et al.
patent: 4484099 (1984-11-01), Kawai et al.
patent: 4559826 (1985-12-01), Nelson

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