A heat hydro-motor has a body and shaft with placed there in radial positions rods of cylinders in cavities of which hermetic chambers with working fluid are installed. On the support shaft transformer of linear motion of con-rods is fixed, this is arranged as profiled cam. Hermetic chambers are arranged as silphons, those include de-gassed fluid, this has high coefficient of volumetric expansion. At least one of the surfaces of cylinder is made of material with high coefficient of thermal conductivity.
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