Pressure regulator with integrated control valve, adjustable downstream pressure build and quick exhaust
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 1, 2000
Grant Date -
N/A
app pub date -
Jun 30, 1999
filing date -
Jun 30, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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