Title:
REFRIGERATING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2001/048126
Kind Code:
A1
Abstract:
A hydraulic medium is used which comprises a combination of an R32 refrigerant or a mixed refrigerant comprising at least 70 wt. % R32 with a polyvinyl ether oil having a viscosity at 40°C of 46 to 82 cSt. The refrigerating apparatus employing the hydraulic medium containing an R32 refrigerant, which has a low GWP (global warming parameter), can have an improved COP while retaining sufficient reliability.
Inventors:
TAIRA SHIGEHARU (JP)
Application Number:
PCT/JP2000/008140
Publication Date:
July 05, 2001
Filing Date:
November 20, 2000
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
TAIRA SHIGEHARU (JP)
TAIRA SHIGEHARU (JP)
International Classes:
C09K5/04; C10M105/52; C10M107/24; C10M107/32; C10M171/00; F25B1/00; F25B13/00; C10N20/02; C10N40/30; F25B9/00; (IPC1-7): C10M107/24; C10M131/04; C09K5/00; F25B1/00
Domestic Patent References:
| WO1993024435A1 | 1993-12-09 | |||
| WO1999041324A1 | 1999-08-19 | |||
| WO1997029162A1 | 1997-08-14 | |||
| WO1999058628A1 | 1999-11-18 |
Foreign References:
| EP0890627A1 | 1999-01-13 | |||
| JPH10147682A | 1998-06-02 | |||
| JPH05248715A | 1993-09-24 | |||
| EP0905219A1 | 1999-03-31 | |||
| EP0882779A1 | 1998-12-09 |
Other References:
See also references of EP 1253185A4
Attorney, Agent or Firm:
Aoyama, Tamotsu (IMP Building 3-7, Shiromi 1-chome, Chuo-k, Osaka-shi Osaka, JP)
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