Patent ID: 6293101
Filing Date: 2001-09-25
Classification: F02G,F05C,F28D,F28F,H02K

Abstract:
A heat engine body for a heat engine comprising:(a) inner and outer spaced apart longitudinally extending walls, each wall having an inner surface and an outer surface, the inner wall surrounding a cavity, each of the inner and outer wall having longitudinally spaced apart first and second ends, the first end is at a different temperature than the second end when the heat engine is in use, the first and second ends in fluid flow communication via a passageway, the first and second ends and the passageway defining a sealed region within which a working fluid travels when the engine is in use;(b) a combustion chamber housing having a wall and positioned to provide heat to the first end; and,(c) at least one fin mounted on the wall of the combustion chamber, the at least one fin having first and second opposed sides and openings whereby combustion gas flows through the openings between the first opposed side and the second opposed side to enhance heat transfer between the combustion gas and the combustion chamber housing.