Engine with forced air-cooling

Details Engine with forced air-cooling Engine with forced air-cooling

1987-09-02

1989-05-02

Argenbright, Tony M.

Internal-combustion engines

Cooling

Air-cooled

123 4142, 123 4182R, F01P 904

Patent

active

048258164

ABSTRACT:
In a forced air-cooled engine, a local high temperature portion is adapted to be cooled effectively so that thermal distortion and thermal breakage of a cylinder and/or a cylinder head caused by such a local high temperature can be avoided. To prevent thermal distortion of the engine, there is provided a cylinder jacket, for cooling part of an engine cylinder in a partition wall between the cylinder and its push rod chamber. As means for preventing the thermal distortion of the cylinder head, there is provided a cooling air passage in a cylinder head, and there is also provided a head jacket for oil-cooling around a divided combustion chamber so as to circulate oil through the head jacket and a radiator. Local high temperature portions in the cylinder and/or the cylinder head can thus be oil-cooled effectively.

REFERENCES:
patent: 3160148 (1964-12-01), Giacosa et al.
patent: 3554171 (1971-01-01), Herschmann et al.
patent: 3741173 (1973-06-01), Christian

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