Fluid handling – Systems – Flow path with serial valves and/or closures
Patent
1994-04-22
1995-06-27
Chambers, A. Michael
Fluid handling
Systems
Flow path with serial valves and/or closures
137312, 13750547, 137559, F16K 3112
Patent
active
054271436
ABSTRACT:
A gas flow and pressure regulation and control station to be connected directly between a distribution line of an urban gas distribution network and a user service line, the station including an inlet connector to be connected directly to the distribution line, an outlet level connector disposed in fluid flow communication with the inlet connector and having an axial flow through passage wherethrough controlled levels of gas pass, and an intermediary connection having a flow regulator member which pivotally moves between a normal flow stopping orientation that prevents gas from passing from the outlet level connector to the intermediary connection, and a flow passage orientation, pivotal movement occurring if the pressure of gas flowing through the outlet level connector and contacting a stopper end of the flow regulator member is sufficient because predetermined gas flow and pressure levels which are to be maintained in the intermediary connection have sufficiently dropped such that a regulator diaphragm, which is connected by a pivot rod to a lever end of the flow regulator member, is allowed to move, thereby allowing the flow regulator member to pivotally move allowing gas into the intermediary connection until the predetermined tolerable flow and pressure levels, as set through regulating movement of the regulator diaphragm, is reattained for passage to a user service line through a delivery connector.
REFERENCES:
patent: 863528 (1907-08-01), Fulton
patent: 1104865 (1914-07-01), Barrington, Jr.
patent: 2095426 (1937-10-01), Van Epps
patent: 3623506 (1971-11-01), Bonner et al.
patent: 3885590 (1975-05-01), Ford et al.
patent: 4565207 (1986-01-01), Sherrod
patent: 4665945 (1987-05-01), Suzuki
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