Gas-liquid separator for a heat pump type air conditioning syste

Details Gas-liquid separator for a heat pump type air conditioning syste Gas-liquid separator for a heat pump type air conditioning syste

1996-08-30

1997-12-02

Tapolcai, William E.

Refrigeration

Refrigeration producer

Compressor-condenser-evaporator circuit

62512, F25B 3904

Patent

active

056923945

ABSTRACT:
A gas-liquid separator for a heat pump type air conditioning system using a gas-injection cycle, which system can switch its mode of operation between heating and cooling modes, includes a reservoir for receiving refrigerant in a gas-liquid two-phase flow, an exit port which opens at a upper portion of the reservoir and allows a refrigerant gas to flow out of the reservoir, first and second ports which are provided at a upper part within the reservoir above the level of a refrigerant liquid and allows the refrigerant to flow into and out of the reservoir. A first refrigerant path for allowing the first port to fluidly communicate with the refrigerant liquid in the reservoir, a second refrigerant path for allowing the first port to fluidly communicate with the refrigerant gas above the level of the refrigerant liquid in the reservoir, a third refrigerant path for allowing the second port to fluidly communicate with the refrigerant liquid in the reservoir, and a fourth refrigerant path for allowing the second port to fluidly communicate with the refrigerant gas above the level of the refrigerant liquid in the reservoir are provided within the reservoir. The second and third refrigerant path open when a refrigerant enters the reservoir through the first port, and the first and fourth refrigerant path open when a refrigerant enters the reservoir through the second port.

REFERENCES:
patent: 4232533 (1980-11-01), Lundblad et al.
patent: 4831835 (1989-05-01), Beehler et al.

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