Vapor-compression refrigerant cycle system

Details Vapor-compression refrigerant cycle system Vapor-compression refrigerant cycle system

2005-09-20

2005-09-20

Jones, Melvin (Department: 3744)

Refrigeration

Refrigeration producer

Compressor-condenser-evaporator circuit

C062S228500, C062S512000

Reexamination Certificate

active

06945074

ABSTRACT:
In a vapor-compression refrigerant cycle system, a switching device is provided to switch one of a first mode where high-pressure refrigerant discharged from a compressor is directly introduced to an exterior heat exchanger and a second mode where the high-pressure refrigerant is directly introduced to an interior heat exchanger. When the second mode is set, the pressure of the high-pressure refrigerant is set higher than a predetermined pressure by a constant-pressure control valve. Accordingly, it can prevent heating capacity of the interior heat exchanger from being greatly changed even when thermal load of the vapor-compression refrigerant cycle system is changed, and heating capacity of the interior heat exchanger can be improved in the second mode.

REFERENCES:
patent: 5890370 (1999-04-01), Sakakibara et al.
patent: 6484523 (2002-11-01), Kuroda et al.
patent: 6550265 (2003-04-01), Takeuchi et al.
patent: 6670067 (2003-12-01), Sato et al.
patent: 2003/0131611 (2003-07-01), Oshitani et al.
patent: 5-96931 (1993-04-01), None

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