F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
137/88
F16K 31/12 (2006.01) F16K 31/122 (2006.01) G05D 16/20 (2006.01)
Patent
CA 2008578
A set point pressure control circuit is disclosed for controlling pressure in a high pressure environment. The circuit includes a high pressure communicating, low pressure actuated valve. The valve includes a housing in which a valve member is disposed. The valve member has an axial passageway defined therethrough for communicating a high pressure port across a piston of the valve member to an opposite high pressure chamber which is placed in communica- tion with a low pressure port when the valve member is in an open position.
Ehlert Mark C.
Surjaatmadja Jim B.
Haliburton Company
Swabey Ogilvy Renault
LandOfFree
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