Process and device for regulating the movement of a member by em

Details Process and device for regulating the movement of a member by em Process and device for regulating the movement of a member by em

1984-09-17

1986-12-02

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

188298, 242156, 254377, 267122, B65H 7700, B66D 528

Patent

active

046259333

ABSTRACT:
The invention relates to a process and device for regulating at any instant the speed of a mobile member, such as a pulley, moving in a stroke of determined uniform direction, by employing a fluid passing under pressure through an orifice of restricted section. According to the invention, said pressurized fluid is made to pass several times alternately in one direction and in the other through said orifice, during said stroke of determined uniform direction. The invention is more particularly applicable to the deployment of appendices mounted on board space vessels.

REFERENCES:
patent: 1761311 (1930-06-01), Redmond
patent: 1888912 (1932-11-01), Doose
patent: 2919883 (1960-01-01), Murphy
patent: 3101937 (1963-08-01), Stearns
patent: 3563307 (1971-02-01), Paine et al.
patent: 3595528 (1971-07-01), Virkki
patent: 3834671 (1974-09-01), du Buisson
patent: 4032126 (1977-06-01), Laughlin et al.
patent: 4452430 (1984-06-01), Kankkunen

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