Gas safety valve

Details Gas safety valve Gas safety valve

1999-08-30

2000-12-05

Huson, Gregory L.

Fluid handling

Destructible or deformable element controlled

Heat destructible or fusible

137460, 1375195, F16K 1740

Patent

active

061552852

ABSTRACT:
A gas safety valve includes a main body having a longitudinal through hole that defines a gas passage. A ball is moved to a position blocking the gas passage when a sudden pressure drop occurs in the outlet end of the gas passage. A connector is mounted around a portion of the main body and includes an inner flange. An insert is mounted between the inner flange of the connector and an outer flange of the main body. The insert melts when it reaches a pre-determined temperature to shut off gas supply

REFERENCES:
patent: 3690336 (1972-09-01), Drum
patent: 4745940 (1988-05-01), Ely
patent: 4911194 (1990-03-01), Lechner
patent: 4974623 (1990-12-01), Sturgis
patent: 5472008 (1995-12-01), Boarin
patent: 5553638 (1996-09-01), Home
patent: 5983928 (1999-11-01), Hsiao

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