ApplicationNo. 05/583239 filed on 06/02/1975
US Classes:92/186, With ported chamber in piston part for circulating heat exchange fluid277/449Particular piston seat
ExaminersPrimary: Cohen, Irwin C.
Attorney, Agent or Firm
AbstractAn 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.