Refrigerant cycle apparatus

Details Refrigerant cycle apparatus Refrigerant cycle apparatus

2008-01-22

2008-01-22

Jones, Melvin (Department: 3744)

Refrigeration

Refrigeration producer

Compressor-condenser-evaporator circuit

C062S510000

Reexamination Certificate

active

07320228

ABSTRACT:
In a refrigerant cycle apparatus which is operated at a supercritical pressure on a high-pressure side, for a purpose of maintaining or enhancing performances or reducing generation of clogging or a dimension of a capillary tube, a compressor has a first compression element, and a second compression element which compresses a refrigerant compressed by the first compression element, a gas phase refrigerant in an intermediate pressure receiver is sucked into the second compression element of the compressor, a liquid phase refrigerant in the intermediate pressure receiver is pressure reduced in a second pressure reducing device, and introduced into an evaporator, and the first pressure reducing device comprises a capillary tube on an upstream side of the refrigerant, and throttling means on a downstream side of the capillary tube.

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European Search Report for Corresponding Application No. 05017389.7-2301, Date Jul. 28, 2006.
Japanese Office Action, issued in corresponding Japanese Patent Application No. 2004-235405, dated on Jul. 31, 2007.

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