Heat pump drive

Details Heat pump drive Heat pump drive

1979-02-12

1981-05-26

Capossela, Ronald C.

Refrigeration

Refrigeration producer

60641R, F25B 4302

Patent

active

042690404

ABSTRACT:
A heat pump arrangement includes an evaporator, a first condenser and a compressor connected in a circuit containing a heat-carrying medium. The compressor is arranged downstream of the evaporator and the first condenser is arranged downstream of the compressor as viewed in the direction of the flow of the medium, whereby the compressor receives medium in the vapor phase from the evaporator and delivers medium in the liquid phase to the evaporator through the first condenser. The heat pump arrangement further has an expander, a second condenser connected downstream of the expander and a pump arranged between the output of the second condenser and the evaporator. The temperature in the first condenser which is designed for extracting useful heat is higher and the temperature in the second condenser is lower than the temperature in the evaporator and further, the expander which is driven by means of a first partial flow of the medium flowing from the evaporator is coupled in a force-transmitting manner with the pump as well as with the compressor for the remaining second partial flow of the medium flowing from the evaporator.

REFERENCES:
patent: 3630040 (1971-12-01), Goldfarb
patent: 4094146 (1978-06-01), Schweitzer
patent: 4110986 (1978-05-01), Tacchi
Directly Fired Heat Pump for Domestic and Light Commercial Application, Strong, D. T. G., 10/23-25, 1979.

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