Refrigeration-cycle equipment

Details Refrigeration-cycle equipment Refrigeration-cycle equipment

2005-03-29

2005-03-29

Jones, Melvin (Department: 3744)

Refrigeration

Refrigeration producer

Compressor-condenser-evaporator circuit

Reexamination Certificate

active

06871511

ABSTRACT:
Refrigeration-cycle equipment wherein an oil separator is installed as a refrigerant vessel in a part of the high-pressure-side circuit. A linear compressor of an oil-less type or an oil-poor type is used. Alternatively, the quantity of the CO2refrigerant filled in the circuit is 0.25 kg or less per liter on the basis of the total internal volume of the circuit.

REFERENCES:
patent: 5655378 (1997-08-01), Pettersen
patent: 6085544 (2000-07-01), Sonnekalb et al.
patent: 6250099 (2001-06-01), Furuya et al.
patent: 6591618 (2003-07-01), Howard et al.
patent: 07-018602 (1995-01-01), None
patent: 2804844 (1998-07-01), None
patent: 11-173688 (1999-07-01), None
patent: 11-351680 (1999-12-01), None
patent: 2000-46420 (2000-02-01), None
patent: 2000-46421 (2000-02-01), None
patent: 2000-110725 (2000-04-01), None
patent: 2000-161213 (2000-06-01), None
patent: 2000-274890 (2000-10-01), None
patent: 2000-515958 (2000-11-01), None
Japanese International Search Report for PCT/JP02/01441, dated May 21, 2002.
J. Pettersen et al. “Development of compact heat exchangers for CO2air-conditioning systems”, International Journal of Refrigeration, 1998, vol. 21, No. 3, pp. 180-193.
Microfilm of the specification and drawings annexed to the request of Japanese Utility Model Application No. 133412/1988 (Laid-open No. 55063/1990), Caisonic Corp., Apr. 20, 1990.

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