Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems
Patent
1975-10-29
1977-05-31
Nilson, Robert G.
Fluid handling
Self-proportioning or correlating systems
Self-controlled branched flow systems
137461, 251 75, G05D 1606
Patent
active
040263142
ABSTRACT:
A high pressure safety valve which automatically closes when high pressure conditions exist. The high pressure valve includes a diaphragm valve and a snap acting assembly connected to the diaphragm valve which acts to snap it closed when a high pressure condition is detected. The safety valve of the present invention may also include a relief valve which opens when the diaphragm valve closes to relieve pressure at the outlet of the safety valve. In addition, the safety valve of the present invention can be manually reset only after the high pressure condition has been corrected.
REFERENCES:
patent: 2707966 (1955-05-01), Taplin
patent: 2712427 (1955-07-01), Welborn
patent: 3420257 (1969-01-01), Lansky
patent: 3580271 (1971-05-01), Farrer
Fiedler, Jr. Frank
Hurd Claud C.
Turner Jesse H.
Essex International, Inc.
Freiburger Lawrence E.
Nilson Robert G.
Sommer Robert D.
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