Reciprocating internal combustion engine

Internal-combustion engines – Oscillating cylinder

Reexamination Certificate

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Details

C123S568110, C123S0480AA

Reexamination Certificate

active

07121235

ABSTRACT:
An internal combustion engine (1010or2000) is provided. The internal combustion engine includes a housing (1013or1068) and a piston assembly (6, 1012, and2038) disposed in the housing. The piston assembly is substantially stationary relative to the housing. A cylinder (1, 1014, and2040) is movably disposed within the housing. A combustion chamber (20, 1033, and2064) is disposed between the piston assembly and the cylinder.

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