PISTON COMPRESSOR Russian patent published in 2017 - IPC F04B39/06 

FIELD: machine engineering.

SUBSTANCE: compressor comprises a cylindrical body 1 with two opposite compressor and drive cylinders 2 and 3 installed therein. Each cylinder 2 and 3 have pistons 4 and 5 fixed on a common rod 6. Contains input and output lines 7, 8 of connections of working cavities 9, 10 of cylinder 2 and a system of working medium supply to working cavities 11, 12 of cylinder 3. Comprises a working medium source 13 with pressure and drain lines 14, 15, a distribution device 16 and a heat exchanger 17. The body 1 is provided with a cooling jacket 18. Comprises a plunger micropump 19, which is a working cavity formed by a lid 20 of the body 1 and an end 21 of the common rod 6, which is the plunger of the micropump 19. Its other end 22 is mechanically connected to the dispenser 16. The heat exchanger 17 is installed in the pressure line 14 with the possibility of converting the working medium into a vaporous state. An additional heat exchanger 24 is arranged in the drain line 15 so that a vaporous working medium, such as freon, is converted into a liquid state. Drain line 15 is connected via retaining valve 25 to working medium source 13 in the form of tank, which is connected via the suction line 26 to the micropump 19. A back-flow valve 28 is installed in the pressure line 14 at the inlet to the heat exchanger 17.

EFFECT: reduction of mechanical losses in course of operation due to heat generated by compressor, conversion of heat into mechanical energy of compressor elements operation.

2 cl, 1 dwg