Hydraulic actuation assembly

Details Hydraulic actuation assembly Hydraulic actuation assembly

2011-05-03

2011-05-03

Lopez, F. Daniel (Department: 3745)

Power plants

Pressure fluid source and motor

Apparatus having means responsive to or ameliorating the...

C166S351000

Reexamination Certificate

active

07934376

ABSTRACT:
An assembly for the hydraulic actuation of safety equipment includes a hydraulic pump disposed between a fluid feed line and a supply line in fluid communication with the safety equipment. A pump valve in the supply line downstream of the hydraulic pump is adjustable between open and closed positions for providing hydraulic fluid to supply line. A fluid source communicates with a bypass line in fluid communication with the supply line. A bypass valve is disposed between the fluid source and the supply line and is lockable between open and closed positions for providing other hydraulic fluid to supply line.

REFERENCES:
patent: 4276003 (1981-06-01), Perkins et al.
patent: 5301505 (1994-04-01), Wright
patent: 5358035 (1994-10-01), Grudzinski
patent: 6568476 (2003-05-01), Andersen
patent: 0433649 (1991-06-01), None
patent: 95/08860 (1995-03-01), None
patent: 01/65061 (2001-09-01), None
patent: 2005/1015019 (2005-02-01), None

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