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Single-ended Barrel Engine with Double-Ended, Double Roller Pistons

Abstract: 

An internal combustion barrel engine includes an engine housing and an elongated power shaft. A combustion cylinder and a guide cylinder are spaced apart and disposed on a common cylinder axis. A double-ended piston includes a combustion end disposed in the combustion cylinder so as to define a combustion chamber between the combustion end and the closed end of the combustion cylinder. A guide end is disposed in the guide cylinder. Combustion occurs only in the combustion cylinder and does not occur in the guide cylinder.

Patent Number: 
7,464,673
Date Of Issue: 
12/16/2008
Inventors: 

Charles Russell Thomas; Bret R. Hauser; David P. Branyon