Oil-cooled internal combustion engine

Details Oil-cooled internal combustion engine Oil-cooled internal combustion engine

1989-04-12

1990-05-22

Kamen, Noah P.

Internal-combustion engines

Cooling

Liquid coolants other than water and water treatment

123 4108, 123 4129, 123 4133, F01P 302

Patent

active

049268007

ABSTRACT:
An oil-cooled internal combustion engine comprises an oil pan, containing a common oil sump for a lubricating oil circuit and a cooling oil circuit. Each oil circuit contains a separate oil pump. The cooling oil circuit is directly connected to the sump and a lubricating oil circuit, comprising an oil filter and an oil cooler, is connected to the cooling oil circuit. A secondary cooling oil circuit branches off from the lubricating oil circuit dowstream of the oil cooler, and services engine portions which are subjected to particularly high temperatures, requiring increased cooling.

REFERENCES:
patent: 4364339 (1982-12-01), Fricker et al.
patent: 4708095 (1987-11-01), Luterek
patent: 4834029 (1989-05-01), Wahnschaffe et al.

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