F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 31/122 (2006.01)
Patent
CA 2055252
A gas spring actuator which, when attached to a valve, will return the valve to its initial position after the valve has been moved to a second position by application of a pressurized fluid that opposes the gas spring. The gas spring is charged to a predetermined gas pressure. A hydraulic fluid is applied in an opposing manner to drive the piston in one direction to operate the valve and simultaneously pressurize the gas in the gas spring. Upon removal of the hydraulic pressure, the pressurized gas returns the piston, and the valve, to its initial position.
Maxwell Joe D.
Perkins M. Wayne
Snyder David E.
Halliburton Energy Services Inc.
Kirby Eades Gale Baker
Maxwell Joe D.
Perkins M. Wayne
Snyder David E.
LandOfFree
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