Stator for ultrasonic motor and method for manufacturing the sam

Details Stator for ultrasonic motor and method for manufacturing the sam Stator for ultrasonic motor and method for manufacturing the sam

1992-11-25

1994-11-08

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

H01L 4108

Patent

active

053630068

ABSTRACT:
A stator for use in an ultrasonic motor is made of sintered metal. The stator includes a circular land portion which is connected to a piezoelectric element, and a plurality of teeth formed at the land portion by a plurality of radial slits. Each tooth includes a top surface for contacting a rotor, a front surface for forming a part of peripheral surface of the stator, and a rear surface facing the axial center. The front and rear surfaces are formed parallel to the axial center.

REFERENCES:
patent: 4580073 (1986-04-01), Okumura et al.
patent: 5187406 (1993-02-01), Seki

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