Air-conditioning apparatus using radiation heat control system a

Details Air-conditioning apparatus using radiation heat control system a Air-conditioning apparatus using radiation heat control system a

1996-09-05

1998-06-16

Tanner, Harry B.

Refrigeration

Automatic control

Refrigeration producer

622387, 623231, 62503, F25B 4100

Patent

active

057653801

ABSTRACT:
An air-conditioning apparatus for heating or cooling a room, having a flow control or heat capacity control mechanism for conducting, when heating the room, at least one of the steps of: exerting energy onto the refrigerant; reducing heat exchanged between the air surrounding the evaporator and the refrigerant passing through the evaporator; and enlarging the opening of the expansion valve, thereby preventing the liquid refrigerant from flowing into the compressor, and efficiently conducting heating operation when the outside temperature is very low or when refrigerant circulation pipes are long.

REFERENCES:
patent: 4217765 (1980-08-01), Ecker
patent: 4311192 (1982-01-01), VanderVaart
patent: 5003788 (1991-04-01), Fischer

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