Air-conditioning apparatus

Details Air-conditioning apparatus Air-conditioning apparatus

1993-02-24

1994-11-08

Wayner, William E.

Refrigeration

Automatic control

Diverse, cascade or compound refrigeration-producing system

62174, 62192, 622284, F25B 700

Patent

active

053615956

ABSTRACT:
In a multiroom air-conditioning apparatus, refrigerant flow between plural outdoor side units is controlled so that abnormality (lack or excess) of refrigerant amount in an outdoor side unit in operation is redressed. For example, when surplus refrigerant exists in an outdoor side unit, the refrigerant flow is so controlled that the surplus refrigerant is pushed out (flow out) into an outdoor side unit in non-operation. In addition, the output of the air-conditioning apparatus is smoothly variable (controllable) in accordance with an air-conditioning load over the whole air-conditioning load range from the minimum (zero) load to the maximum load.

REFERENCES:
patent: 4633672 (1987-01-01), Persem et al.
patent: 4787211 (1988-11-01), Shaw

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