Patent ID: 7464673
Filing Date: 2008-12-16
Classification: F01B,F02B,F02F,F04B,F05C,Y02T

Abstract:
1. An internal combustion barrel engine, comprising: an engine housing having a first end and a second end; an elongated power shaft longitudinally disposed in the engine housing and defining a longitudinal axis of the engine; a combustion cylinder and a guide cylinder spaced apart and disposed on a common cylinder axis that is generally parallel to the central axis, the cylinders each having an inner end and an outer end with the inner ends being closer to each other, the outer end of the combustion cylinder being closed; an intake system operable to introduce a mixture of air and/or fuel into the combustion cylinder; a track supported between the inner ends of the combustion cylinder and the guide cylinder, the track having a cam surface, the track being movable such that the portion of the cam surface most directly between the inner ends of the cylinders moves toward and away from the inner end of the combustion cylinder; and a double-ended piston comprising: