IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
|
| 국제특허분류(IPC7판) |
|
| 출원번호 |
US-0877272
(1986-06-23)
|
| 우선권정보 |
JP-0048591 (1984-03-14) |
|
발명자
/ 주소 |
- Sato Atsushi (Tokyo JPX) Endo Keiji (Yokosuka JPX) Kawakami Shigenobu (Ichikawa JPX) Yanagishita Hitoshi (Yokohama JPX) Hayashi Shozo (Yokohama JPX)
|
| 출원인 / 주소 |
- Nippon Petrochemicals Company, Limited (Tokyo JPX 03)
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| 인용정보 |
피인용 횟수 :
22 인용 특허 :
0 |
초록
▼
An electrical insulating oil which is suitable for use in impregnating electrical appliances such as capacitors, cables and transformers, especially those in which plastic materials are used partially or totally as dielectrics or insulating materials, and electrical appliances that are impregnated w
An electrical insulating oil which is suitable for use in impregnating electrical appliances such as capacitors, cables and transformers, especially those in which plastic materials are used partially or totally as dielectrics or insulating materials, and electrical appliances that are impregnated with the above electrical insulating oil. The electrical insulating oil of the invention contains at least one monoolefin and/or diolefin having three condensed or non-condensed aromatic rings.
대표청구항
▼
An oil-impregnated capacitor comprising dielectric or insulating material, wherein at least a part of said dielectric or insulating material is made of an insulating plastic film and said capacitor being impregnated with an electrical insulating oil composition comprising: (a) 0.1 to 40% by weight o
An oil-impregnated capacitor comprising dielectric or insulating material, wherein at least a part of said dielectric or insulating material is made of an insulating plastic film and said capacitor being impregnated with an electrical insulating oil composition comprising: (a) 0.1 to 40% by weight of at least one monoolefin or diolefin having three condensed or non-condensed aromatic rings selected from the group consisting of olefins which are represented by one of the following General Formulae (III) or (IV), and (b) 99.9 to 60% by weight of other electrical insulating oil, wherein said (a) and (b) are the only electrical insulating oil components of said composition, and said (a) components are soluble in said (b) components, said General Formula (III) being [Figure] wherein R1 is an aliphatic hydrocarbon group having 1 to 4 carbon atoms and having no or one or two ethylenically unsaturated double bonds, each of R2 to R4 is an aliphatic hydrocarbon group selected from the group consisting of methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, vinyl, propenyl, isopropenyl, alkyl, butenyl and butadienyl, j is 0 or 1, each of k, m and n is an integer from 0 to 3, and the total number of ethylenically unsaturated double bonds in R1, R2 of k in number, R3 of m in number and R4 of n in number is 1 or 2, and said General Formula (IV) being [Figure] wherein each of R5 and R6 is an aliphatic hydrocarbon group having 1 to 4 carbon atoms and having no or one or two ethylenically unsaturated double bonds, each of R7 to R9 an aliphatic hydrocarbon group selected from the group consisting of methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, vinyl, propenyl, isopropenyl, allyl, butenyl and butadienyl, each of p and q is 0 or 1, each of r, s and t is an integer from 0 to 3, and the total number of ethylenically unsaturated double bonds in R5, R6, R7 of r in number, R8 of s in number and R9 of t in number is 1 or 2.
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