Fluid handling – Destructible or deformable element controlled – Heat destructible or fusible
Patent
1977-11-09
1979-08-21
Jordan, Charles T.
Fluid handling
Destructible or deformable element controlled
Heat destructible or fusible
89 1B, F16K 1304, F16K 1306, F16K 1740, F16K 5100
Patent
active
041649532
ABSTRACT:
A flood valve is adapted to be mounted in an opening provided through a wall to normally separate a fluid on one side thereof from a relatively unpressurized space on the other side thereof. The valve includes an integrally-formed plastic body member having a forward portion mounted in the opening, an intermediate thin-walled section, and a rearward portion arranged in the unpressurized space. A piston is slidably mounted in a bore provided in the forward portion to engage the rearward portion, and forms a sealed chamber within the bore adjacent the thin-walled section. A heating element encircles the thin-walled section and may be selectively energized to melt the same, and to allow the rearward portion and the piston to separate from the forward portion. After such separation, fluid may pass through the forward portion bore to enter the unpressurized space.
REFERENCES:
patent: 2620815 (1952-12-01), Margraf et al.
patent: 3008479 (1961-11-01), Mancusi, Jr.
patent: 3428064 (1969-02-01), Phillips et al.
patent: 3822895 (1974-07-01), Ochiai
patent: 3888158 (1975-06-01), Temple
patent: 4046157 (1977-09-01), Cazalaa et al.
Jankowiak Roman
Naab Carlton W.
Conax Corporation
Jordan Charles T.
Webb Thomas H.
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