Automatic pressure regulator

Details Automatic pressure regulator Automatic pressure regulator

1975-04-15

1976-12-14

Cline, William R.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

1374895, F16K 31365

Patent

active

039969541

ABSTRACT:
An automatic pressure regulator comprises an expansion chamber, a rod reciprocable in the expansion chamber and carrying two valves, one of the valves regulating the entry of compressed air into the expansion chamber and the other of the valves regulating communication between the expansion chamber and the ambient air. A utilization air conduit is provided for connecting the expansion chamber to a measuring device. A diaphragm connected to the valve rod is moved by pressure in a regulating chamber that communicates with a pilot conduit that in turn communicates between the ends of a pilot air conduit which receives compressed air at one end, for example from the expansion chamber, and at its other end is opened or closed by a float valve in one leg of a manometer whose other leg communicates with the air utilization conduit.

REFERENCES:
patent: 389082 (1888-09-01), Jackson
patent: 682085 (1901-09-01), Kaeferle
patent: 2051299 (1936-08-01), Howell
patent: 2309848 (1943-02-01), King
patent: 2707966 (1955-05-01), Taplin
patent: 2761464 (1956-09-01), Faust
patent: 2912997 (1959-11-01), Griswold
patent: 2994334 (1961-08-01), Loveless
patent: 3357443 (1967-12-01), Brumm
patent: 3774628 (1973-11-01), Norton et al.

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