Relief valve

Details Relief valve Relief valve

1976-12-08

1977-09-06

Cohan, Alan

Fluid handling

Line condition change responsive valves

Direct response valves

137469, 1375125, 137513, 1376142, F16K 2404

Patent

active

040461637

ABSTRACT:
An improved pressure relief valve for tubeless tires or the like is provided. The pressure relief valve includes a novel poppet valve dust cover structure which will automatically reposition the dust cover after each opening or cycle of the relief valve and which will allow the dust cover to act as a secondary poppet valve surface during venting of the pressurized container in which the valve is mounted to increase the rate of fluid flow through the valve. The valve is designed to be sealingly mounted in an aperture in a wall of the pressurized container and may be mounted therein by means of a threaded connection, a clamp connection, a snap-in connection from the interior of the container or a push-in connection from the exterior of the container. The dust cover is attached to the main poppet valve member for axial movement therewith.

REFERENCES:
patent: 2747609 (1956-05-01), Sekera
patent: 3542063 (1970-11-01), Etter et al.

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