Flow control valve

Details Flow control valve Flow control valve

1983-01-07

1985-03-26

Michalsky, Gerald A.

Fluid handling

With leakage or drip collecting

137240, 13762546, F16K 1106

Patent

active

045066973

ABSTRACT:
In order to provide a valve which can provide separate flow paths for independent liquids and the possibility of interchanging the flow paths, there is provided an elliptical valve member 8 mounted on a spindle 7 within a cylindrical valve chamber. In the axial region of the valve member 8 there are provided ports 2 and 3 which are selectively placed in communication with the ports 4 and 5 in accordance with the position of the valve member 8. In order to provide for a safety break leakage path, the valve member 8 is preferably provided with two seals 13, e.g. lip seals or O-ring separated by a space which is vented, e.g. via a hollow passage 18 in the spindle 7.

REFERENCES:
patent: 2631001 (1953-03-01), Griswold
patent: 2988107 (1961-06-01), Rudelick
patent: 3159378 (1964-12-01), Haag
patent: 3658093 (1972-04-01), Kirkwood
patent: 3827285 (1974-08-01), Grove
patent: 3938553 (1976-02-01), Ortega
patent: 3978707 (1976-09-01), Grove et al.
patent: 4003394 (1977-01-01), Adams
patent: 4067352 (1978-01-01), Halpine
patent: 4108199 (1978-08-01), Bonafous
patent: 4217934 (1980-08-01), Peters

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