Bi-stable clutch

Details Bi-stable clutch Bi-stable clutch

1996-12-23

1998-04-14

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 76, 310 92, 19211325, 19211326, 192 89, 192 84C, H02K 7114, F16D 2710

Patent

active

057396051

ABSTRACT:
A bi-stable clutch is introduced comprising an input and output shaft, a hub assembly attached to output shaft, a hub assembly attached to output shaft and operatively associated with a friction ring which rotates with output shaft of the unique bi-stable clutch. The input shaft is connected to a rotor which drives an armature plate to which the rotor is rotatably attached. The rotor and armature plate are forced apart when the clutch is engaged creating an air gap between the two large enough to not be overcome by the permanent magnet field attracting the armature plate due to a force caused by compression coil springs and the armature plate remains in contact with the rotor and the clutch remains engaged without continuous current transmitting torque from the input to the output shaft.

REFERENCES:
patent: 3662197 (1972-05-01), Worst
patent: 3760917 (1973-09-01), Pagdin
patent: 3865222 (1975-02-01), Briar
patent: 4295553 (1981-10-01), Sayo et al.
patent: 4566574 (1986-01-01), Marshall
patent: 4602705 (1986-07-01), Farr et al.

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