Patent ID: 6311491
Filing Date: 2001-11-06
Classification: F02G,F05C,F25B,F28D,F28F,H02K

Abstract:
A heat engine body comprising:(a) an outer container comprising an outer longitudinally extending wall and first and second longitudinally spaced apart ends, the outer wall surrounding an outer cavity;(b) an inner container spaced from the outer container and comprising an inner longitudinally extending wall constructed from sheet metal and surrounding an inner cavity having first and second longitudinally spaced apart ends, the inner longitudinally extending wall having first and second longitudinally spaced apart ends, the first end of the cavity is at a different temperature than the second end of the cavity when the heat engine is in use, the first and second ends of the inner cavity being in fluid flow communication via a passageway, the first and second ends of the inner cavity and the passageway defining a sealed region within which a working fluid is circulated when the heat engine is in use; and,(c) a plurality of longitudinally spaced apart positioning members extending between the inner and outer containers.