FIELD: power engineering. SUBSTANCE: rotor, which is constructed as hub 1, massive rim 2, and radial connections 3 interconnecting them, is mounted for permitting free rotation about horizontal axis O at interface A-A between adjacent separate spaces filled with gas or liquid of different temperature. Hub 1 is coupled with rim 2 by way of radial connections 3 uniformly arranged over periphery. The connection allow linear radial sizes to be changed with the temperature. To convert energy, one rotates rim 2 by about one forth of turn in the direction of rotation of the engine. As a result the rim is brought to unbalance as connections 3 positioned in the spaces of different temperatures have different lengths in the radial direction owing to their heat extension. Masses of rim 2 arranged on both sides of vertical plane B-B passing through the rotor axis are different and undergo gravity forces different in magnitude, and centers of masses of opposite sides of the rim are at different distances from this vertical plane. As a result the sides of rim 2, which are on the opposite sides from the vertical plane B-B, are constantly exerted by torques different in magnitude and rotor is set in rotation in the direction of the greater torque. EFFECT: enhanced efficiency. 3 cl, 3 dwg
