Title:
REFRIGERANT COMPOSITION, CLOSED ELECTRIC COMPRESSOR, AND REFRIGERATOR
Document Type and Number:
WIPO Patent Application WO/2000/060021
Kind Code:
A1
Abstract:
In a refrigerant compression type refrigerating system for use in the field of refrigerating/air conditioning employing a hydrocarbon refrigerant containing an odorant, the concentration of the odorant at the time of refrigerant leakage is kept on a sensible level. The refrigerant composition contains at least one ingredient selected among ethane, propane, cyclopropane, propylene, and isobutane. It contains ammonia in an amount of 1 to 60 wt. %, preferably 1 to 20 wt. %, as an odorant.
Inventors:
KURACHI MASAO (JP)
NAKAGAWA NOBUHIRO (JP)
TAKAICHI KENJI (JP)
SAKAI HISAKAZU (JP)
NOZUE AKIHIRO (JP)
NAKAGAWA NOBUHIRO (JP)
TAKAICHI KENJI (JP)
SAKAI HISAKAZU (JP)
NOZUE AKIHIRO (JP)
Application Number:
PCT/JP2000/002189
Publication Date:
October 12, 2000
Filing Date:
April 05, 2000
Export Citation:
Assignee:
MATSUSHITA REFRIGERATION (JP)
KURACHI MASAO (JP)
NAKAGAWA NOBUHIRO (JP)
TAKAICHI KENJI (JP)
SAKAI HISAKAZU (JP)
NOZUE AKIHIRO (JP)
KURACHI MASAO (JP)
NAKAGAWA NOBUHIRO (JP)
TAKAICHI KENJI (JP)
SAKAI HISAKAZU (JP)
NOZUE AKIHIRO (JP)
International Classes:
C09K5/04; F25B9/00; F25B31/00; F25B43/00; (IPC1-7): C09K5/04; C10M103/00; C10M105/02; F25B1/00
Foreign References:
| JPH09316439A | 1997-12-09 | |||
| JPH10130685A | 1998-05-19 | |||
| JPH10274447A | 1998-10-13 | |||
| JPH09143486A | 1997-06-03 | |||
| US5711165A | 1998-01-27 | |||
| JPH08170586A | 1996-07-02 | |||
| JPH10238871A | 1998-09-08 |
Other References:
See also references of EP 1094100A4
Attorney, Agent or Firm:
Aoyama, Tamotsu (Shiromi 1-chome Chuo-ku Osaka-shi, Osaka, JP)
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