Piston cooling system

Details Piston cooling system Piston cooling system

2006-08-01

2006-08-01

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Cooling

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

C123S041370

Reexamination Certificate

active

07082906

ABSTRACT:
The piston engine cooling system includes multiple pistons rotatably coupled to a crankshaft. Each piston includes a piston head defining a cooling chamber therein, and a connecting rod coupled to the piston head. The connecting rod includes a connecting rod inlet channel therein allowing oil to enter the cooling chamber, and a connecting rod outlet channel receiving oil exiting the cooling chamber. The crankshaft defines a crankshaft inlet channel allowing oil to flow through the connecting rod inlet channel, and a crankshaft outlet channel receiving oil flowing through the connecting rod outlet channel.

REFERENCES:
patent: 1915284 (1933-06-01), Becker
patent: 2144449 (1939-01-01), Church

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