Electrically-controlled actuators

Details Electrically-controlled actuators Electrically-controlled actuators

1984-05-07

1987-03-24

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

188173, 192 90, 192111A, B60K 4120, B60T 1304, B60T 1374

Patent

active

046518525

ABSTRACT:
An electrically-controlled force-exerting actuator comprising a force-applying power spring arranged to exert a force on an output member, a force-applying control spring arranged with respect to the power spring such that the force exerted by the control spring is detracted from the force exerted by the power spring to determine the residual force exerted on the output member by the power spring, and an electric motor operable to vary the detractive force exerted by the control spring.

REFERENCES:
patent: 909894 (1909-01-01), Hanson
patent: 1272038 (1918-07-01), Halsey
patent: 1348106 (1920-07-01), Halsey
patent: 3762522 (1973-10-01), Kirschling
patent: 4033435 (1977-07-01), Bayliss
patent: 4175645 (1979-11-01), Brinkert

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