HEAT PUMP Russian patent published in 1995 - IPC

FIELD: heat supply. SUBSTANCE: heat pump uses a working substance circuit, which has connected in succession compressor 1, desuperheater 2, condenser 3, condensate cooler 4, regenerative heat exchanger 5, which through throttle valve 6 is connected to the inlet of evaporator 7, whose outlet through regenerative heat exchange 5 is connected to the inlet of compressor 1; the inlet of condensate cooler 4 in heated medium connected to the heat pump inlet, the outlet of condenser 3 in heated medium is connected to line 10 of the first user, and the outlet of desuperheater 2 in heated medium is connected to line 11 of the second user, condensate cooler 4 in heated medium is additionally furnished with bypass line 9 connected to the inlet of condenser 3, and the outlet of condensate cooler 4 in heated medium is connected to the inlet of desuperheater 2, which makes it possible to increase the heat pump energy efficiency by 4 to 10% The heat pump is furnished with low-potential heat source line 8 and can be provided with control valve 12. EFFECT: enhanced efficiency. 1 dwg