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Priority to GEAP2012012639priorityCriticalpatent/GEP20135833B/en
Publication of GEP20135833BpublicationCriticalpatent/GEP20135833B/en
A heat engine comprising a case 1 and expandable hermetic chambers 2 and 3 with actuating medium 6. Inserted in each working chamber is a heat-transfer means 18 and 19 connected with a heat exchanger 9 by means of pipelines 7 and 8, and a valve 15 for converting the actuating medium 6 from liquid form into gas form or vice versa. The hermetic chamber is linked with an output shaft 5 by means of a motion transmission means 12 and 13. The actuating medium is liquid ammonia or freon. furthermore, a hinged actuating spring 4 for compressing and expanding the hermetic chambers is linked with the motion transmission means of the hermetic chambers.