Multifunction valve

Details Multifunction valve Multifunction valve

1983-11-21

1985-05-21

Michalsky, Gerald A.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

91420, 91436, 91446, 91451, 13759612, 1375962, F15B 1304

Patent

active

045180040

ABSTRACT:
A valve combining in a single unit a multiplicity of functions including isolation, thermal and pressure relief, return check and bypass. The valve includes a pair of spool valves, one slidably positioned within the other, disposed with a bore in a housing and interconnected with system pressure and return and an appropriate control valve.

REFERENCES:
patent: 3070124 (1962-12-01), Fitzpatrick
patent: 3391708 (1968-07-01), Rice
patent: 3587393 (1971-06-01), Vick
patent: 3613715 (1971-10-01), Johnson
patent: 3707984 (1973-01-01), Bantz
patent: 3942550 (1976-03-01), Orme
patent: 3960166 (1976-06-01), Linser
patent: 4009642 (1977-03-01), Vanderlaan
patent: 4066239 (1978-01-01), Hall
patent: 4087967 (1978-05-01), Knapp
patent: 4191202 (1980-03-01), Brent
patent: 4433615 (1984-02-01), Vick
patent: 4471797 (1984-09-01), Cass et al.

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