Refrigeraton apparatus

Details Refrigeraton apparatus Refrigeraton apparatus

1995-05-24

1996-08-27

Tapolcai, William E.

Refrigeration

Automatic control

Diverse, cascade or compound refrigeration-producing system

623246, F24F 1100

Patent

active

055489680

ABSTRACT:
Liquid lines (5LA, 5LB) and gas lines (5GA, 5GB) are connected to a main liquid line (4L) and a main gas line (4G) respectively so that a master outdoor unit (2A) and a slave outdoor unit (2B) are arranged in parallel with each other. On the gas line (5GB) extending from the slave outdoor unit (2B), a gas stop valve (V2) which is fully closed when the slave outdoor unit (2B) is deactivated during heating operation is disposed. On the liquid line (5LB) extending from the slave outdoor unit (2B), a liquid stop valve (V1) which is fully closed when the slave outdoor unit (2B) is deactivated during cooling operation and heating operation is disposed. Thus, compression of a liquid refrigerant and lack of a circulation amount of refrigerant are prevented.

REFERENCES:
patent: 2463881 (1949-03-01), Kemler
patent: 3905202 (1975-09-01), Taft et al.
patent: 4621505 (1986-11-01), Ares et al.
patent: 4926652 (1990-05-01), Kitamoto
patent: 4945733 (1990-08-01), LaBrecque
patent: 5142879 (1992-09-01), Nakamura et al.
patent: 5279131 (1994-01-01), Urushihata et al.

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