Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1986-02-03
1987-07-14
Nilson, Robert G.
Fluid handling
Line condition change responsive valves
Direct response valves
F16K 1514
Patent
active
046795960
ABSTRACT:
A pressure relief valve includes a body coupled to a tube and a resilient sleeve cooperates with the tube and body to vent the interior of the tube when fluid pressure therein reaches a predetermined level.
REFERENCES:
patent: 2473912 (1949-06-01), Schwinn
patent: 2621889 (1952-12-01), Annin
patent: 2679336 (1954-05-01), Frick
patent: 2930399 (1960-03-01), Babson
patent: 3138173 (1964-06-01), Hartman
patent: 3384113 (1968-05-01), Pennisi
patent: 3459217 (1969-08-01), Callahan
patent: 4194435 (1980-03-01), Gaun et al.
patent: 4346704 (1982-08-01), Kulle
Nilson Robert G.
Schoenle Paul David
Snyder Laboratories, Inc.
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