Device for preventing backfire of inflammable gases

Details Device for preventing backfire of inflammable gases Device for preventing backfire of inflammable gases

1979-12-20

1981-02-17

Bashore, S. Leon

Gas: heating and illuminating

Distribution

Safety devices

1375122, 251 65, 431346, F17D 300

Patent

active

042512263

ABSTRACT:
A device for preventing backfire of inflammable gases comprising a cylinder, a balance spring, and a repelling magnet case. The cylinder holds both a valve casing whose rear edge shuts a gas induction passage when the casing is pushed backward by high pressure, and a check valve which contains a repelling magnet and which shuts and opens a gas supplying passage and a flow-way formed in the valve casing. The repelling magnet case, which is pushed backward by the balance spring, contains a repelling magnet aligned face-to-face with a magnet that is contained in the check valve.

REFERENCES:
patent: 2109202 (1938-02-01), Raney
patent: 2212486 (1940-08-01), Zoder
patent: 2482457 (1949-09-01), Boedecker
patent: 2667895 (1954-02-01), Pool et al.
patent: 2940472 (1960-06-01), Chilcoat

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