GB2240340B - Electric insulating oil - Google Patents

Electric insulating oil

Info

Publication number
GB2240340B
GB2240340B GB9020745A GB9020745A GB2240340B GB 2240340 B GB2240340 B GB 2240340B GB 9020745 A GB9020745 A GB 9020745A GB 9020745 A GB9020745 A GB 9020745A GB 2240340 B GB2240340 B GB 2240340B
Authority
GB
United Kingdom
Prior art keywords
insulating oil
electric insulating
electric
oil
insulating
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 - Fee Related
Application number
GB9020745A
Other languages
English (en)
Other versions
GB2240340A (en
GB9020745D0 (en
Inventor
Motoharu Kansaku
Akira Tsuchiyama
Teruo Miyamoto
Motoo Tsuchie
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KANSAI TECHNICAL ENGINEERING C
Mitsubishi Electric Corp
Original Assignee
KANSAI TECHNICAL ENGINEERING C
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by KANSAI TECHNICAL ENGINEERING C, Mitsubishi Electric Corp filed Critical KANSAI TECHNICAL ENGINEERING C
Publication of GB9020745D0 publication Critical patent/GB9020745D0/en
Publication of GB2240340A publication Critical patent/GB2240340A/en
Application granted granted Critical
Publication of GB2240340B publication Critical patent/GB2240340B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/20—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances liquids, e.g. oils
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M167/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound, a non-macromolecular compound and a compound of unknown or incompletely defined constitution, each of these compounds being essential
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    • C10M127/00—Lubricating compositions characterised by the additive being a non- macromolecular hydrocarbon
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    • C10M127/00—Lubricating compositions characterised by the additive being a non- macromolecular hydrocarbon
    • C10M127/02—Lubricating compositions characterised by the additive being a non- macromolecular hydrocarbon well-defined aliphatic
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    • C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/68—Esters
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    • C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
    • C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
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    • C10M133/20—Ureas; Semicarbazides; Allophanates
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/14—Electric or magnetic purposes
    • C10N2040/17—Electric or magnetic purposes for electric contacts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Organic Insulating Materials (AREA)
GB9020745A 1990-01-29 1990-09-24 Electric insulating oil Expired - Fee Related GB2240340B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019406A JPH0834066B2 (ja) 1990-01-29 1990-01-29 電気絶縁油

Publications (3)

Publication Number Publication Date
GB9020745D0 GB9020745D0 (en) 1990-11-07
GB2240340A GB2240340A (en) 1991-07-31
GB2240340B true GB2240340B (en) 1994-02-23

Family

ID=11998378

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9020745A Expired - Fee Related GB2240340B (en) 1990-01-29 1990-09-24 Electric insulating oil

Country Status (3)

Country Link
JP (1) JPH0834066B2 (ko)
KR (1) KR940003803B1 (ko)
GB (1) GB2240340B (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114214105A (zh) * 2021-12-17 2022-03-22 马鞍山中集瑞江润滑油有限公司 一种电容器循环油

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB742922A (en) * 1950-08-22 1956-01-04 Siemens Ag Improvements in or relating to electrically insulating liquid for electrical high-tension devices
GB1271981A (en) * 1969-01-09 1972-04-26 British Insulated Callenders Improvements in and relating to electrical insulating oils and to electrical apparatus incorporating them
JPS5242478A (en) * 1975-10-01 1977-04-02 Ebara Infilco Co Ltd Tubular membrane unit
JPS5320320A (en) * 1976-08-09 1978-02-24 Sato Koki Kk Automatic strobe power supply opening device
JPS553765A (en) * 1978-06-23 1980-01-11 Kazuo Yoshitake Apparatus for upwardly and downwardly moving and opening and closing curtain for greenhouse
JPS5773085A (en) * 1980-10-24 1982-05-07 Sanyo Chem Ind Ltd Pour point reducing agent and insulating oil composition

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59128708A (ja) * 1983-01-13 1984-07-24 三菱電機株式会社 油入電気機器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB742922A (en) * 1950-08-22 1956-01-04 Siemens Ag Improvements in or relating to electrically insulating liquid for electrical high-tension devices
GB1271981A (en) * 1969-01-09 1972-04-26 British Insulated Callenders Improvements in and relating to electrical insulating oils and to electrical apparatus incorporating them
JPS5242478A (en) * 1975-10-01 1977-04-02 Ebara Infilco Co Ltd Tubular membrane unit
JPS5320320A (en) * 1976-08-09 1978-02-24 Sato Koki Kk Automatic strobe power supply opening device
JPS553765A (en) * 1978-06-23 1980-01-11 Kazuo Yoshitake Apparatus for upwardly and downwardly moving and opening and closing curtain for greenhouse
JPS5773085A (en) * 1980-10-24 1982-05-07 Sanyo Chem Ind Ltd Pour point reducing agent and insulating oil composition

Also Published As

Publication number Publication date
GB2240340A (en) 1991-07-31
GB9020745D0 (en) 1990-11-07
KR940003803B1 (ko) 1994-05-03
KR910014962A (ko) 1991-08-31
JPH0834066B2 (ja) 1996-03-29
JPH03225704A (ja) 1991-10-04

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Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950924