Expansible chamber devices – Piston – With ported chamber in piston part for circulating heat...
Patent
1975-06-02
1977-05-31
Cohen, Irwin C.
Expansible chamber devices
Piston
With ported chamber in piston part for circulating heat...
277 22, F01P 310
Patent
active
040261972
ABSTRACT:
An improved reciprocating engine wherein the pistons are provided with hollow compression rings having a fluid inlet and a fluid outlet and an elongated fluid flow path extending therebetween. A path is established through various parts of the engine including the piston for directing a coolant, usually oil, through the inlet to the interior of the piston ring to cool the ring during engine operation.
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patent: 3843138 (1974-10-01), Cobb
Lapke Robert A.
Richards Bernard G.
Caterpillar Tractor Co.
Cohen Irwin C.
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