Heat pump apparatus

Details Heat pump apparatus Heat pump apparatus

1996-07-12

1998-01-27

Doerrler, William

Refrigeration

Reversible, i.e., heat pump

With flow control or compressor details

62160, F25B 100

Patent

active

057111634

ABSTRACT:
A heat pump apparatus includes a compressor, an expander, at least three heat exchangers and a cooling-medium route switchover device for switching over cooling-medium (refrigerant) route to the heat exchangers so as to selectively provide a two-evaporator operation mode in which two of the heat exchangers are used as evaporators and the other heat exchanger is used as a condenser and a two-condenser operation mode in which two of the heat exchangers are used as condensers and the other heat exchanger is used as an evaporator. The heat exchangers used as evaporators in the two-evaporator operation mode or as condensers in the two-condenser operation mode are serially connected with each other.

REFERENCES:
patent: 2860491 (1958-11-01), Goldenberg
patent: 4514990 (1985-05-01), Sulkowski
patent: 5461876 (1995-10-01), Dressler
patent: 5473906 (1995-12-01), Hara et al.

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