Piston for internal combustion engines

Details Piston for internal combustion engines Piston for internal combustion engines

1982-09-08

1984-01-31

Cuchlinski, Jr., William A.

Internal-combustion engines

Cooling

Internal cooling of moving parts; e.g., hollow valves,...

92186, F01P 310

Patent

active

044283300

ABSTRACT:
A cast iron piston for an internal combustion engine with oil cooling of the head of the piston and comprising an annular cooling chamber located in the piston head in proximity at least to the groove of the first piston ring.
Bottom wall of the annular cooling chamber is inclined uniformly inwards from top to bottom and having formed therein a plurality of casting holes one of which serves for an oil inlet port and the other for oil outlet ports.

REFERENCES:
patent: 2865348 (1958-12-01), Kramer et al.
patent: 3703126 (1972-11-01), Haug
patent: 4011797 (1977-03-01), Cornet
patent: 4206726 (1980-06-01), Johnson, Jr. et al.
patent: 4331107 (1982-05-01), Bruni
patent: 4359973 (1982-11-01), Shimada

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