Dial operated pressure regulator

Details Dial operated pressure regulator Dial operated pressure regulator

1980-10-30

1983-03-01

Nilson, Robert G.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

91457, 91461, 91464, 91465, 1375961, 1376275, 1376361, F15B 13042

Patent

active

043752233

ABSTRACT:
A dial operated air pressure regulator produces forward, hold and reverse signals in an air operated control circuit which creates corresponding conditions in a hydraulic circuit. The regulator has a pair of spring loaded valves which slide axially in a pair of valve cylinders which in turn control the air flow in the circuit. The valves are depressed by face cams moulded into the dial; rotation of the dial in one direction causes one cam to operate one valve and produces a forward signal; rotation in the opposite direction causes the other cam to operate the associated valve to create the reverse signal; when neither valve operates, the hold signal results.

REFERENCES:
patent: 2075917 (1937-04-01), Vorech
patent: 2393076 (1946-01-01), Van der Werf
patent: 2401680 (1946-06-01), Eaton
patent: 2511384 (1950-06-01), Trevaskis
patent: 2934091 (1960-04-01), Chapou
patent: 3099461 (1963-07-01), Stelzer
patent: 3128635 (1964-04-01), Doolittle
patent: 3805674 (1974-04-01), Sebesta
patent: 4134418 (1979-01-01), Woodcock

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