Air-conditioning apparatus having indoor units connected to one

Details Air-conditioning apparatus having indoor units connected to one Air-conditioning apparatus having indoor units connected to one

1990-12-31

1991-08-20

Wayner, William E.

Refrigeration

Automatic control

Selective heating or cooling

623246, 165 22, F25B 1300

Patent

active

050403761

ABSTRACT:
In an air-conditioning apparatus, a plurality of two-way valves are provided, in a branch unit, for controlling a flow of a refrigerant into a respective indoor heat exchanger and a direction in which the refrigerant is flowed into the indoor heat exchanger. The two-way valve is connected in parallel with a corresponding one of a plurality of bypasses having a flow resistance. Upon the opening of the one or more two-way valves, a corresponding bypass or bypasses are previously placed in fluid communication.

REFERENCES:
patent: 4878357 (1989-11-01), Sekigami et al.

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