Accession Number : AD0165004

Title :   Differential Pressure Relief Valve.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : Kennedy,Robert F.

Report Date : 03 JUL 1973

Pagination or Media Count : 5

Abstract : The patent relates to a differential pressure relief valve wherein a diaphragm piercing device is actuated by differential pressure through a bellows. The device is self-contained and is installed in the bulkhead of a sealed container. As the pressure inside the container becomes greater than the pressure outside, the bellows compress to a fixed compressed height of the bellows, and a spring loaded hollow plunger is released and is driven through a diaphragm on the bellows end, thus venting the container to the outside atmosphere.

Descriptors :   *Relief valves, *Patents, Venting, Bellows, Helical springs, Variable pressure

Subject Categories : Pumps, Filters, Pipes, Tubing, Fittings & Vlvs

Distribution Statement : APPROVED FOR PUBLIC RELEASE