Fluent material handling – with receiver or receiver coacting mea – Diverse fluid containing pressure filling systems involving... – Filling with exhausting the receiver
Patent
1995-07-11
1997-03-04
Walczak, David J.
Fluent material handling, with receiver or receiver coacting mea
Diverse fluid containing pressure filling systems involving...
Filling with exhausting the receiver
1375991, 2511492, B65B 3100
Patent
active
056070012
ABSTRACT:
In a safety equipment for a tank having a system for collecting the gas expelled from the tank during loading, a pressure relief valve is connected in parallel to the gas collecting system of the tank. The pressure relief valve is constructed with a front chamber. The front chamber communicates with the blow off outlet of the pressure relief valve and is closed by means of a rupture disc and is connected to the interior of the pressure relief valve through a by-pass. The rupture disc is designed to burst at the maximum permissible tank pressure, thereby to protect the tank against explosion in case loading of the tank is accidentally started before connection has been properly established from the gas collection system of the tank either back to the storage tank of the loading station or to an authorized system for otherwise disposing of the gas. Preferably, a vacuum relief valve is also connected in parallel to the gas collection system of the tank and is constructed with a front chamber arranged and connected in substantially the same manner as that of the pressure relief valve, but having a rupture disc designed to burst at the minimum permissible tank pressure, thereby to protect the tank against collapse in case a booster blower in the connection to the storage tank or other gas disposal system is accidentally started before or stopped after a pump for loading the tank.
REFERENCES:
patent: 5060688 (1991-10-01), Sorensen
Emil Aarestrup S.o slashed.rensen
Maust Timothy L.
Walczak David J.
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