G - Physics – 05 – D
Patent
G - Physics
05
D
G05D 16/20 (2006.01) G05D 16/16 (2006.01)
Patent
CA 2553722
A pressure loaded pilot valve system and method for a regulator valve is provided. The system includes a regulator valve connecting an inlet line to an outlet line, a servo control valve assembly, and a pilot valve assembly. A supply line is connected to the servo control valve, and a pilot loading pressure line connects the servo control valve to the pilot valve assembly. An exhaust line connects the servo control valve to the outlet line, thereby avoiding waste, pollution, etc. associated with bleeding excess pilot pressure to the atmosphere.
La présente invention concerne un système de soupape pilote pressurisée destiné à une soupape de régulation. Le système comprend une soupape de régulation qui relie une conduite d'entrée à une conduite de sortie, un système de soupape de servocommande, et un système de soupape pilote. Une conduite d'alimentation est reliée à la soupape de servocommande, et une conduite de pressurisation pilote relie la soupape de servocommande au système de soupape pilote. Une conduite d'évacuation relie la soupape de servocommande à la conduite de sortie, ce qui permet d'éviter la production de déchets, la pollution, etc. associées à la purge de l'excès de pression pilote vers l'atmosphère extérieure.
Fisher Controls International Llc
Ridout & Maybee Llp
LandOfFree
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