Monolithic radiator cap for sealed pressurized cooling system

Details Monolithic radiator cap for sealed pressurized cooling system Monolithic radiator cap for sealed pressurized cooling system

1976-06-01

1978-03-21

Lowrence, George E.

Receptacles

Closures

With condition responsive vent or valve

220361, 220367, 137493, B65D 5116, F16K 1726

Patent

active

040798550

ABSTRACT:
A monolithic radiator cap comprising a minimal number of inexpensive constituent parts engages the filler neck of an automotive cooling system. A valving gasket is normally held against the sealing surface of the filler neck by a spring which is responsive to thermal expansion of the cooling medium for controlled fluid flow out of the system. A seal is carried by the cap to engage the interior wall of the filler neck and hermetically seal the filler neck. The seal is maintained during the working and vent positions of the cap. Alternately, the cap includes auxiliary valving means for controlling fluid flow into the system in response to thermal contraction of the cooling medium.

REFERENCES:
patent: 3164288 (1965-01-01), Boomgaard
patent: 3381846 (1968-05-01), Lee
patent: 3463346 (1969-08-01), Mitchell
patent: 3831801 (1974-08-01), Rodgers
patent: 3937357 (1976-02-01), Burgess

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