Ultrasonic motor having a supporting member

Details Ultrasonic motor having a supporting member Ultrasonic motor having a supporting member

1994-03-11

1995-09-19

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310358, 310359, 310367, 310328, H01L 4108

Patent

active

054518270

ABSTRACT:
An ultraso motor with a stator uniformly made of a material that is capable of converting electrical energy to mechanical energy, by the performance of a specified process. The stator includes a first part having corresponding electrodes for applying a signal to the first part, and a second part, uniformly configured to the first part, having areas adjacent to the first part where the material does not exist. A support member supports the stator at the areas which are devoid of the material. A movable clement contacts the second part of the stator and is driven by a progressive oscillatory wave that is generated in the second part by a frequency voltage applied to the electrodes.

REFERENCES:
patent: 4678956 (1987-07-01), Izukawa et al.
patent: 4871937 (1989-10-01), Kawai
patent: 5025186 (1991-06-01), Tsukada
patent: 5066884 (1991-11-01), Takagi et al.
patent: 5079470 (1992-01-01), Kasuga et al.
patent: 5172023 (1992-12-01), Kawai et al.

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