Electromagnetically actuated spring clutch

Details Electromagnetically actuated spring clutch Electromagnetically actuated spring clutch

1990-08-01

1992-03-31

Herrmann, Allen D.

192 clutches and power-stop control

Elements

Wear compensators

192 35, 192 84T, F16D 2700

Patent

active

050999745

ABSTRACT:
Magnetic flux produced by an electrically energized coil threads radially between a housing and a flange on a rotatable shaft, threads axially between the flange and a control collar for the clutch, threads radially between the control collar and an input hub via a helical spring contracted around the hub, and threads axially between a flange on the hub and the housing to complete the flux circuit. Flux cutting axially between the flange on the shaft and the control collar causes the control collar to shift axially into engagement with the flange so as to effect turning of the collar relative to the input hub and contraction of the spring around an output hub.

REFERENCES:
patent: 3149705 (1964-09-01), Shoquist
patent: 3149706 (1964-09-01), Mason et al.
patent: 3367461 (1968-02-01), Nagel
patent: 3685622 (1972-08-01), Baer et al.
patent: 3735847 (1973-05-01), Brucken
patent: 3974902 (1976-08-01), Wahlstedt et al.
patent: 4263995 (1981-04-01), Wahlstedt
patent: 4321992 (1982-03-01), Gallo
patent: 4460076 (1984-07-01), Yamada
patent: 4846324 (1989-07-01), Ohsawa

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