Pressure regulator with integrated control valve, adjustable dow

Details Pressure regulator with integrated control valve, adjustable dow Pressure regulator with integrated control valve, adjustable dow

1999-06-30

2000-08-01

Huson, Gregory L.

Fluid handling

Line condition change responsive valves

Pilot or servo controlled

13711521, F16K 3112

Patent

active

060951842

ABSTRACT:
An integrated pneumatic pressure regulator assembly including a housing having an inlet adapted for fluid communication with a supply of pneumatic pressure, an outlet adapted for fluid communication with at least one pneumatically actuated device and an exhaust port. A pilot regulator valve is in fluid communication with the inlet and is operable to provide a pilot pressure. A pilot operated regulator valve is also provided in fluid communication with the inlet and the outlet. The pilot operated regulator valve is responsive to the pilot pressure to regulate the supply pressure from the inlet to a predetermined system pressure delivered through the outlet to a pneumatically actuated device during normal operation. An adjustable flow valve in fluid communication with the outlet is responsive to pilot pressure during initial actuation of a pneumatically actuated device to increase the pressure delivered to the outlet at a predetermined rate until the pressure at the outlet has substantially reached the predetermined system pressure. An exhaust valve is in fluid communication with the outlet and is operable to exhaust the system pressure through the exhaust port during shutdown of the pneumatically actuated device.

REFERENCES:
patent: 3279484 (1966-10-01), Brinkel
patent: 4476893 (1984-10-01), Schwelm
patent: 4579042 (1986-04-01), Neff
patent: 5566717 (1996-10-01), Robert

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