Engine cooling device

Details Engine cooling device Engine cooling device

1987-04-01

1989-03-21

Cross, E. Rollins

Internal-combustion engines

Lubricators

Crankcase, pressure control

1841041, 12341133, F01M 100

Patent

active

048134082

ABSTRACT:
An engine cooling device comprises an oil jacket surrounding a cylinder portion of an engine, an oil gallery supplying high-pressure oil to various parts of the engine, and an oil pressure regulator disposed between the oil jacket and the oil gallery to reduce the pressure of the high-pressure oil supplied from the oil gallery and to supply the oil at a reduced pressure to the oil jacket. Thus, the required mechanical strength of the oil jacket can be decreased to decrease the weight of the engine cylinder block.

REFERENCES:
patent: 2691972 (1954-10-01), Stump et al.
patent: 3486488 (1969-12-01), Frings
patent: 4397269 (1983-08-01), Hatz
patent: 4446827 (1984-05-01), Kubozuka
patent: 4541368 (1985-09-01), Castarede
patent: 4671229 (1987-06-01), Barnes

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