Fail safe linear actuator system

Details Fail safe linear actuator system Fail safe linear actuator system

1992-12-04

1994-04-12

Look, Edward K.

Power plants

Pressure fluid source and motor

Apparatus having means responsive to or ameliorating the...

60413, 91518, 91459, F16D 3102

Patent

active

053015053

ABSTRACT:
A fail safe hydraulic system which includes a pressurized fluid storage which is capable of delivering fluid to the actuator to return it to its inoperative position should the actuator system suffer a loss of power and a apparatus for signaling a controller when the pressurized fluid storage has been charged with fluid, wherein fluid from the reservoir cannot be delivered to the actuator until the pressurized fluid storage has been charged with fluid.

REFERENCES:
patent: 3348378 (1967-10-01), Lemley
patent: 3680311 (1972-08-01), Harbonn et al.
patent: 3753350 (1973-08-01), Nott
patent: 4065094 (1977-12-01), Adams
patent: 4217968 (1980-08-01), Dezelan
patent: 4268228 (1981-05-01), McKee
patent: 4476677 (1984-10-01), Hanshaw
patent: 4574904 (1986-03-01), Goode
patent: 4953445 (1990-09-01), Kervagoret et al.

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