Magnetic latch for pressure relief valve

Details Magnetic latch for pressure relief valve Magnetic latch for pressure relief valve

1979-11-08

1981-03-03

Cline, William R.

Fluid handling

Line condition change responsive valves

Direct response valves

251 65, 335285, F16K 1503

Patent

active

042534895

ABSTRACT:
A magnetic latch for a pressure or vacuum relief valve is disclosed. The pressure or vacuum relief valve includes a cover hingedly connected to a body and a valve seat defined on the body. The latch includes a housing having an open end and connected to either the valve cover or the body. A magnet is mounted within the housing. A striker plate is connected to the other of the valve cover or body in a position to engage the open end of the housing and to be spaced by a gap from the magnet in the valve closed position. The gap between the striker plate and the magnet is adjustable by varying the position of the housing relative to its mounted position. A spring is positioned between the striker plate and the cover or body and biases the striker plate toward the housing in the valve closed position to provide self-alignment and via its adjusting screw to ensure proper engagement of the striker plate with the open end of the housing.

REFERENCES:
patent: 1641880 (1927-09-01), Cohen
patent: 2693382 (1954-11-01), Teetor
patent: 2781216 (1957-02-01), Foley
patent: 2801870 (1957-08-01), Davey
patent: 2813741 (1957-11-01), Janos
patent: 2970857 (1961-02-01), Squire
patent: 3009725 (1961-11-01), Koch
patent: 3502361 (1970-03-01), Sieverin
patent: 3528453 (1970-09-01), Dunkelis

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