Closure for a pressurized fluid-filled container

Details Closure for a pressurized fluid-filled container Closure for a pressurized fluid-filled container

1987-09-17

1989-06-06

Hall, George T.

Receptacles

Closures

With condition responsive vent or valve

220DIG32, B65D 1516

Patent

active

048364061

ABSTRACT:
A closure for a pressurized container, such as a coolant radiator, provides overflow protection by means of a tube connecting the highest point of the container with the filler neck. The end of the tube in the filler neck is closed by a cap having a high pressure relief valve. The closure cap also contains a low pressure relief valve connected to the tube which, together with the high pressure relief valve, maintains a pressure balance in the container without substantial change in the amount of fluid therein. Both valves are connected directly to a bleed line to atmosphere or a reservoir. The tube and filler neck together serve to regulate the pressure in the container and to provide a maximum fluid level within the container.

REFERENCES:
patent: 3136292 (1964-06-01), Mitchell
patent: 4185751 (1980-01-01), Moore et al.
patent: 4196822 (1980-04-01), Avrea
patent: 4498599 (1985-02-01), Avrea

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