Safety valve for an inverted liquid-filled canister

Details Safety valve for an inverted liquid-filled canister Safety valve for an inverted liquid-filled canister

1996-11-26

1998-12-01

Ferensic, Denise L.

Fluid handling

Line condition change responsive valves

Direct response valves

13754011, 13754321, F16K 1500

Patent

active

058425047

ABSTRACT:
A safety valve for retaining liquid in an inverted, liquid-filled canister inserted within a receptacle having an outlet, includes a valve having a base and a head, a retainer attached to the receptacle, the retainer having a compartment for receiving the valve base and at least one passage for allowing the liquid to flow through at least one passage when the valve is disengaged, and a spring positioned within the compartment, telescopically engaging the valve base, for providing a sealing force on the valve, wherein the valve head engages the outlet of the receptacle for retaining the liquid within the canister when the spring force exceeds the hydrostatic force of the liquid within the canister and the weight of the valve.

REFERENCES:
patent: 2071391 (1937-02-01), Crowell
patent: 2759699 (1956-08-01), Rush
patent: 2930401 (1960-03-01), Cowan
patent: 3145724 (1964-08-01), Pelzer
patent: 3255774 (1966-06-01), Gallagher et al.
patent: 3610268 (1971-10-01), Arutunoff
patent: 3756273 (1973-09-01), Hengesbach
patent: 4386718 (1983-06-01), Stewart et al.
patent: 4632362 (1986-12-01), Lucking
patent: 4782895 (1988-11-01), Jacob et al.
patent: 4889184 (1989-12-01), Lugtmeier et al.
patent: 5209261 (1993-05-01), Cakmaz et al.
patent: 5228473 (1993-07-01), Zink
patent: 5445224 (1995-08-01), Comeaux

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