Bypass system for a dual refrigeration cycle air conditioner

Details Bypass system for a dual refrigeration cycle air conditioner Bypass system for a dual refrigeration cycle air conditioner

1985-07-31

1987-06-30

Tanner, Harry

Refrigeration

Automatic control

Diverse, cascade or compound refrigeration-producing system

62197, 622284, F25B 700, F25B 4100

Patent

active

046760725

ABSTRACT:
An air conditioner includes a first refrigeration cycle with a capacity-variable type compressor, and a second refrigeration cycle with a constant rotation type compressor, both refrigeration cycles having outdoor heat exchangers while utilizing a single common indoor heat exchanger. The first refrigeration cycle has a bypass passage connected, at one end, between the suction side of the compressor and the indoor heat exchanger, and, at the other end, between the indoor heat exchanger and the outdoor heat exchanger. When the second refrigeration cycle is stopped, or the capacity variable compressor operated at a low operation frequency, a part of the coolant which passes through the outdoor heat exchanger in the first refrigeration cycle flows into the suction side of the compressor through the bypass passage.

REFERENCES:
patent: 2454263 (1948-11-01), Newton
patent: 3243970 (1966-04-01), Lippincott
patent: 3313121 (1967-04-01), Barbier
patent: 4258553 (1981-03-01), Kelly et al.
patent: 4462219 (1984-07-01), Iwata

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