JP2514090C - - Google Patents

Info

Publication number
JP2514090C
JP2514090C JP2514090C JP 2514090 C JP2514090 C JP 2514090C JP 2514090 C JP2514090 C JP 2514090C
Authority
JP
Japan
Prior art keywords
average molecular
molecular weight
carbon atoms
weight
group
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
Other languages
English (en)
Japanese (ja)
Original Assignee
日本石油株式会社
Publication date

Links

Family

ID=

Similar Documents

Publication Publication Date Title
JP2514090B2 (ja) 冷凍冷蔵装置用潤滑油組成物
US4948525A (en) Lubricating oil compositions for refrigerators
EP0336171B1 (en) Use of lubricating oil compositions for refrigerators
KR100287584B1 (ko) 냉동기유 조성물
EP2814923B1 (en) Polyester lubricant for working fluids comprising difluoromethane
TWI411673B (zh) Frozen oil composition
JP2595346B2 (ja) カーエアコン用冷凍機油組成物
WO2013146683A1 (ja) 冷凍機用作動流体組成物
EP1792970B1 (en) Refrigerator oil composition containing an aromatic sulfur compound
EP2814922B1 (en) Working fluids comprising difluoromethane and di-pentaerythritol ester
JPH0823030B2 (ja) カーエアコン用冷凍機油組成物
JPH06102792B2 (ja) フッ素含有アルカン冷媒用潤滑油
JPH0819430B2 (ja) 冷凍冷蔵装置用冷凍機油組成物
KR19990067513A (ko) 냉동기오일, 냉동기작동유체, 및, 냉동시스템의 윤활방법
JP4278749B2 (ja) 冷凍機油組成物及び該組成物を用いた潤滑方法
EP0557796B1 (en) Lubricant for refrigerating machine employing refrigerant comprising tetrafluoroethane
JPH01259093A (ja) カーエアコン用フロン圧縮機用潤滑油
KR100848063B1 (ko) 냉매 압축식 냉동 사이클 장치용 윤활유 및 작동 매체
JP2785185B2 (ja) カーエアコン用冷凍機油組成物
JP2514090C (zh)
JP2595346C (zh)
JPH02129294A (ja) フッ素系冷媒用冷凍機油
JP3347614B2 (ja) 冷凍機油組成物及び該組成物を用いた潤滑方法
JPH02132176A (ja) 圧縮式冷凍機用組成物
JPH08269473A (ja) カーエアコン用冷凍機油組成物