ROTARY MACHINE AND METHOD FOR THE HEAT EXCHANGE IN ROTARY MACHINE Russian patent published in 2018 - IPC F04D29/58 F04D7/06 

FIELD: non-displacement compressors and pumps.

SUBSTANCE: group of inventions refers to rotary machines for conveying a fluid that requires cooling or heating of mechanical seals of a machine to ensure their operability. Machine comprises a drive unit (2) for driving a shaft (5), a running wheel (31) arranged on the shaft (5) for conveying the fluid, at least one mechanical gasket (6) for sealing the shaft (5); a first and a second heat exchange system (41, 42) for cooling or for heating the mechanical gasket (6). First heat exchange system (41) has a fluid heat carrier for directly impacting the mechanical gasket (6). Second heat exchange system (42) comprises a heat exchange jacket (421), through which a fluid heat carrier can flow without direct contact with the mechanical gasket (6). First and the second heat exchange system (41; 42) form a common heat exchange system (40), in which a common fluid heat carrier can be circulated. Impeller (44) for circulating the fluid heat carrier in the heat exchange system (40).

EFFECT: inventions are directed to the creation of a simple heat exchange system providing effective cooling or heating of the seal.

15 cl, 2 dwg