Hydraulic apparatus

Details Hydraulic apparatus Hydraulic apparatus

1979-08-29

1981-05-26

Maslousky, Paul E.

Motors: expansible chamber type

With motive fluid valve

Responsive to motor position or orientation

91447, 91400, F15B 13042, F15B 1316

Patent

active

042691117

ABSTRACT:
The hydraulic apparatus includes a valve which is closable to prevent fluid from flowing out of a cylinder chamber when the pressure of the fluid drops below a predetermined level, and a transmitter which opens the valve so as to keep the chamber pressure constant when a piston slidably received in the chamber moves due to heat-caused expansion of the fluid in the chamber. The apparatus is disclosed in the context of an aircraft spoiler control system.

REFERENCES:
patent: 2410978 (1946-11-01), Kelly
patent: 3205788 (1965-09-01), Limbrick
patent: 3381587 (1968-05-01), Porquet
patent: 3750532 (1973-08-01), Kubilos

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