Sequencing valve

Details Sequencing valve Sequencing valve

1978-10-30

1982-02-23

Spiegel, H. Jay

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

137217, 13762413, 13762418, 251367, F16K 2100

Patent

active

043164803

ABSTRACT:
A sequencing valve for distributing fluid from an inlet selectively to one or more of a plurality of outlets. The sequencing valve includes an inlet section, an intermediate section, and an outlet section; a piston valve arrangement controls flow from said inlet section to said intermediate section and a valving member directs flow from said intermediate section into a selected outlet or outlets of said outlet section; said outlet section including a biasing means for biasing said piston arrangement to a closed position; movement of said piston valve arrangement providing for sequencing of said valving member. Said biasing means (a) can provide a fixed biasing force on said piston arrangement; (b) can provide a positive closing force on said piston arrangement to prevent flow therethrough; or (c) can provide a negative force to reduce any closing force on said piston arrangement to zero. Said sequencing valve has a quick connect-disconnect type mechanism for providing easy access for inspection or repair.

REFERENCES:
patent: 2968311 (1961-01-01), Whitlock, Jr.
patent: 3017897 (1962-01-01), Seguenot
patent: 3227380 (1966-01-01), Pinkston
patent: 3369565 (1968-02-01), Haggard, Jr.
patent: 3460560 (1969-08-01), Kah, Jr. et al.
patent: 3524470 (1970-08-01), Kah, Jr. et al.
patent: 3635237 (1972-01-01), Kah, Jr.
patent: 3785391 (1974-01-01), Miller
patent: 3924652 (1975-12-01), Kah, Jr.
patent: 4109670 (1978-08-01), Slagel
patent: 4125124 (1978-11-01), Kah

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