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Title:
FLUID COMPRESSOR AND REFRIGERATING MACHINE HAVING THE FLUID COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2002/033261
Kind Code:
A1
Abstract:
A fluid compressor and a refrigerating machine having the fluid compressor; the fluid compressor (11), comprising a compressor case (16) having HFC-based refrigerant and ester-based refrigerating machine oil contained therein and a member (29) having fluorocarbon resin of 1 mass % or more against the ester-based refrigerating machine oil contained therein, wherein the amount of fluoro ion extracted from the fluorocarbon resin into the ester-based refrigerating machine oil (59) is set to 1 ppm or below as the intermediate density of the refrigerating machine oil, whereby, even when the fluorocarbon resin is used for the component material of the fluid compressor having HFC-based refrigerant and ester-based refrigerating machine oil contained therein, the deterioration of the ester-based refrigerating machine oil can be effectively prevented, high durability and reliability can be provided, and an excellent performance can be maintained over a long period of time.

Inventors:
Sato, Shinobu (38-12-8-405, Ookubo 3-Chome Kounan-Ku Yokohama-Shi, Kanagawa, 233-0007, JP)
Application Number:
PCT/JP2001/008375
Publication Date:
April 25, 2002
Filing Date:
September 26, 2001
Export Citation:
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Assignee:
TOSHIBA CARRIER CORPORATION (1-1 Shibaura 1-Chome Minato-Ku, Tokyo, Tokyo, 105-0023, JP)
Sato, Shinobu (38-12-8-405, Ookubo 3-Chome Kounan-Ku Yokohama-Shi, Kanagawa, 233-0007, JP)
International Classes:
F04B39/00; C10M105/32; C10M107/32; C10M147/02; C10M171/00; F04B39/02; F04C18/30; F04C18/344; F04C29/00; F25B1/00; F25B31/00; C10N20/00; C10N40/30; (IPC1-7): F04B39/02; C10M105/32; C10N20/00; C10N40/30; F25B1/00; F25B49/02
Attorney, Agent or Firm:
Hatano, Hisashi (Tokyo International Patent Firm 2nd Floor, Miyata Building 17-1, Nishi-Shimbashi 1-Chome Minato-Ku Tokyo, 105-0003, JP)
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