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Title:
MULTIPLE REFRIGERATING DEVICE
Document Type and Number:
WIPO Patent Application WO/2002/023100
Kind Code:
A1
Abstract:
A multiple refrigerating device capable of saving an energy and preventing global warming through the achievement of a high coefficient of performance (COP) by using R32 as a refrigerant, wherein R32 as the refrigerant is circulated through a refrigerant circuit comprising an outdoor unit (20) having a compressor (23), a condenser (22), and an expansion means (26) and a plurality of indoor units (1) each having an evaporator (2) to perform a refrigerant cycle, the filling amount of R32 into the refrigerant circuit is set within the range of 120 to 300 g/kW (by refrigerating capacity) and within the range of 84 to 300 g/L (by volume in the condenser).

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Inventors:
TAIRA SHIGEHARU (JP)
Application Number:
PCT/JP2001/007847
Publication Date:
March 21, 2002
Filing Date:
September 10, 2001
Export Citation:
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Assignee:
DAIKIN IND LTD (JP)
TAIRA SHIGEHARU (JP)
International Classes:
C09K5/04; F25B9/00; F25B1/00; F25B13/00; (IPC1-7): F25B1/00
Foreign References:
JPH06256757A1994-09-13
JPH0931450A1997-02-04
JPH06101940A1994-04-12
JPH06117736A1994-04-28
JPH11270918A1999-10-05
Other References:
See also references of EP 1326057A4
Attorney, Agent or Firm:
Aoyama, Tamotsu (3-7 Shiromi 1-chom, Chuo-ku Osaka-shi Osaka, JP)
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