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

FIELD: engine engineering. SUBSTANCE: engine has housing 1 with branch pipe 2. Drum 18 provided with a reverse mechanism is mounted on working shaft 20 inside the housing. Second driving reverse drum 3 is mounted in the branch pipe. The first ends of flexible hoses 7,15 of different diameters are secured inside the housing and branch pipe. The second ends of the hoses are secured to regenerator 5. The regenerator is connected with the drums through flexible connections 4,17. The housing is in communication with system 12 for supplying cold gas. The branch pipe is in communication with system 10 for supplying hot gas. Openings are made in the hose of lesser diameter. The reverse mechanism is constructed as a spiral spring or as two additional drums. EFFECT: enhanced efficiency. 3 cl, 2 dwg