Integral engine block air cooled engine oil cooler

Details Integral engine block air cooled engine oil cooler Integral engine block air cooled engine oil cooler

1989-06-26

1990-05-29

Cross, E. Rollins

Internal-combustion engines

Lubricators

Crankcase, pressure control

123 4156, 123 4157, 123196W, 1841042, 184 65, F01M 100

Patent

active

049286510

ABSTRACT:
An oil cooler for small internal combustion engines is provided. The oil cooler comprises a heat exchanger mounted on the external surface of the engine crankcase, directly below the flywheel. The heat exchanger has an inner serpentine passageway in flow communication with the lubrication path of the engine oil. The heat exchanger further has a plurality of external fins, said fins being positioned directly below the flywheel. The flywheel includes a plurality of inlet apertures for drawing in cooling air to be blown over the heat exchanger.

REFERENCES:
patent: 3331364 (1967-07-01), Chariatte
patent: 4022272 (1977-05-01), Miller
patent: 4423708 (1984-01-01), Sweetland
patent: 4483278 (1984-11-01), Kolacz
patent: 4607601 (1986-08-01), Kohler
patent: 4727834 (1988-03-01), Isaka et al.
patent: 4766859 (1988-08-01), Miyaki et al.
patent: 4790273 (1988-12-01), Oguri et al.

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