MOTOR Russian patent published in 2023 - IPC F01K25/06 F01K25/08 

FIELD: thermodynamic engine.

SUBSTANCE: group of invention is related in particular to an externally heated thermodynamic engine containing a closed working fluid circuit, as well as to a method for operating such an engine. Thermodynamic engine with external heating contains a closed circuit of the working fluid. The engine contains a thermodynamic expander (21) for extracting work from the evaporated working fluid (22), which for this purpose is supplied to the feeder. There is also a condenser (26) located downstream of the expander to condense the vaporized working fluid that exits the expander. The liquid tank (28) is located downstream of the condenser, and the pumping device (29) is located downstream of the liquid tank to pump out the condensed working fluid (38). Additionally, there is a device for heating (50) and at least partial evaporation of the working fluid pumped into it from the pump, and supplying the heated working fluid to the expander. The heating device itself contains at least one inlet for the working fluid pumped to it and at least one outlet from which the working fluid is supplied to the expander. The engine is configured and adapted to work with a working fluid, and the working fluid itself contains at least two component fluids with different boiling points. The pumping device is configured to pump two component fluids with different boiling points in a certain ratio in form of liquids from the liquid tank to the heating device, moreover, during use, when the working fluid is supplied to the expander in an at least partially evaporated state, the vapor and/or the liquid of the higher boiling liquid gives energy in the expander to vapor of the lower boiling fluid component to produce work in the expander.

EFFECT: provision of an improved thermodynamic engine.

15 cl, 8 dwg