ENGINE WITH EXTERNAL HEAT SUPPLY Russian patent published in 1995 - IPC

FIELD: engine engineering. SUBSTANCE: engine has housing 1 with heat conducting pipes 2,3. Working shaft provided with two drums 6,7 is mounted inside the housing. The first ends of two pairs of flexible hoses 11,12 are secured to the drum. The second ends of the hoses are turned inside out and secured in the housing and pipes at different levels. Openings 13 are made in the outer hoses. System 20 for supplying hot gas is in communication with spaces 15,16 which are defined between internal and outer hoses. EFFECT: enhanced efficiency. 1 dwg