High torque harmonic traction motor

Details High torque harmonic traction motor High torque harmonic traction motor

1990-06-04

1992-01-07

Stephan, Steven L.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

318118, H01L 4112, H02N 200

Patent

active

050794710

ABSTRACT:
A harmonic traction motor for converting linear motion to rotational motion. A driven shaft is surrounded by the annulus of a shaft driving member having a circumference slightly larger than the circumference of the shaft. At least two actuating devices are connected between the support and the driving member at 90.degree. with respect to each other and sequentially energized to cause the annulus to exert a force around the shaft in a hypocycloidic motion. This motor has high torque, high stiffness, zero backlash and small volume and can be operated in a stepping mode and can be used as a brake or clutch, if desired.

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patent: 4743792 (1988-05-01), Ueyama
patent: 4782262 (1988-11-01), Kiyo-Oka

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