Refrigerant cycle device with ejector

Details Refrigerant cycle device with ejector Refrigerant cycle device with ejector

2008-05-06

2008-05-06

Jones, Melvin (Department: 3744)

Refrigeration

Refrigeration producer

Compressor-condenser-evaporator circuit

C062S170000, C062S191000

Reexamination Certificate

active

07367202

ABSTRACT:
A refrigerant cycle device includes a compressor for compressing refrigerant, a condenser for cooling and condensing high-pressure refrigerant discharged from the compressor, a vapor-liquid separator located at a refrigerant outlet side of the condenser for separating refrigerant from the condenser into vapor refrigerant and liquid refrigerant, a supercooling device for supercooling the liquid refrigerant from the vapor-liquid separator, an ejector having a nozzle part for decompressing refrigerant downstream from a refrigerant outlet side of the condenser and a refrigerant suction port for drawing refrigerant by a high-velocity flow of refrigerant jetted from the nozzle part, a throttle member which decompresses the liquid refrigerant supercooled by the supercooling device, an evaporator located at a downstream side of the throttle member and is connected to the refrigerant suction port of the ejector. Accordingly, cooling capacity of the evaporator can be improved without lowering a density of refrigerant drawn into the compressor.

REFERENCES:
patent: 5343711 (1994-09-01), Kornhauser et al.
patent: 6477857 (2002-11-01), Takeuchi et al.
patent: 6574987 (2003-06-01), Takeuchi et al.
patent: 6729149 (2004-05-01), Takeuchi
patent: 03-005674 (1991-01-01), None
patent: 2004-257694 (2004-09-01), None
U.S. Appl. No. 11/393,037, filed Mar. 30, 2006, Saito et al.

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