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Patent Searching and Data


Title:
REFRIGERATION EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2004/013549
Kind Code:
A1
Abstract:
Refrigeration equipment with steam compression refrigerant circuits capable of preventing a refrigerating capacity from lowering in a use side heat exchanger when refrigerant condensed in a heat source side heat exchanger is depressurized and fed to the use side heat exchanger, comprising an air conditioner (1) having the refrigerant liquid communication pipe (6) and the refrigerant gas pipe (7) of existing equipment, the main refrigerant circuit (10), a heat source side expansion valve (27), a cooler (28), and a first pressure detection mechanism (31), the main refrigerant circuit (10) further comprising a compressor (21), the heat source side heat exchanger (24), and the use side heat exchanger (52), wherein the heat source side expansion valve (27) depressurizes the refrigerant condensed in the heat source side heat exchanger (24) and fed to the use side heat exchanger (52), the cooler (28) cools the refrigerant condensed in the heat source side heat exchanger (24) and fed to the use side heat exchanger (52), and the first pressure detection mechanism (31) detects the pressure of the refrigerant depressurized by the heat source side expansion valve (27).

Inventors:
MATSUOKA HIROMUNE (JP)
MIZUTANI KAZUHIDE (JP)
Application Number:
PCT/JP2003/009285
Publication Date:
February 12, 2004
Filing Date:
July 22, 2003
Export Citation:
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Assignee:
DAIKIN IND LTD (JP)
MATSUOKA HIROMUNE (JP)
MIZUTANI KAZUHIDE (JP)
International Classes:
F25B13/00; F25B40/02; (IPC1-7): F25B1/00
Foreign References:
JP2001349623A2001-12-21
US6293123B12001-09-25
JPH11118266A1999-04-30
JPH0849948A1996-02-20
JP2001349623A2001-12-21
Other References:
See also references of EP 1526345A4
Attorney, Agent or Firm:
Ono, Yukio (South Forest Bldg. 1-4-19, Minamimori-machi, Kita-k, Osaka-shi Osaka, JP)
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