Apparatus and method for oxidation and corrosion prevention in a

Details Apparatus and method for oxidation and corrosion prevention in a Apparatus and method for oxidation and corrosion prevention in a

1987-03-30

1988-02-02

Cuchlinski, Jr., William A.

Internal-combustion engines

Cooling

With vapor generation and/or condensing

16510432, 55 74, 55385B, F01P 1102

Patent

active

047223057

ABSTRACT:
This invention concerns a coolant system for a vehicle which possesses a radiator and an excess coolant reservoir to reduce the content of oxygen in the radiator cooling system. An exhaust vent tube communicates with ambient air and the excess coolant reservoir to expel gases generated during engine startup and continuous use. A vacuum exhaust valve is situated in the exhaust vent tube to provide for the expulsion of gas and acts, during engine cool down, to pass exhaust gas to the excess coolant reservoir. This invention situates an adsorption zone, preferably comprised of activated carbon, intermediate the exhaust vent tube and the excess coolant reservoir to adsorb a large quantity of the oxygen being passed to the excess coolant reservoir during cool down periods. Once spent of its adsorption qualities, the adsorbent in the adsorption zone is regenerated by contact with automotive engine exhaust gas at a temperature of between 140.degree. C. and 150.degree. C.

REFERENCES:
patent: 3820593 (1974-06-01), Pabst
patent: 4199332 (1980-04-01), Krohn et al.
patent: 4289505 (1980-06-01), Hardison et al.
patent: 4381929 (1981-04-01), Mizuno et al.
patent: 4387671 (1983-06-01), Jarvis
patent: 4576929 (1984-12-01), Shimazaki
patent: 4592418 (1986-06-01), Cadars
patent: 4686942 (1987-08-01), Hayashi et al.

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