FR2232056A1 - Electric condensers contg. polypropylene plates - with oxygen cpds. contg. epoxy cpds. as insulating oil, giving longer life - Google Patents
Electric condensers contg. polypropylene plates - with oxygen cpds. contg. epoxy cpds. as insulating oil, giving longer lifeInfo
- Publication number
- FR2232056A1 FR2232056A1 FR7419006A FR7419006A FR2232056A1 FR 2232056 A1 FR2232056 A1 FR 2232056A1 FR 7419006 A FR7419006 A FR 7419006A FR 7419006 A FR7419006 A FR 7419006A FR 2232056 A1 FR2232056 A1 FR 2232056A1
- Authority
- FR
- France
- Prior art keywords
- contg
- cpds
- oxygen
- insulating oil
- epoxy
- 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.)
- Granted
Links
- 239000004743 Polypropylene Substances 0.000 title abstract 3
- -1 polypropylene Polymers 0.000 title abstract 3
- 229920001155 polypropylene Polymers 0.000 title abstract 3
- 239000004593 Epoxy Substances 0.000 title abstract 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title abstract 2
- 229910052760 oxygen Inorganic materials 0.000 title abstract 2
- 239000001301 oxygen Substances 0.000 title abstract 2
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/20—Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06
- H01G4/22—Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06 impregnated
- H01G4/221—Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06 impregnated characterised by the composition of the impregnant
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Organic Insulating Materials (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Lubricants (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
In a condenser consisting of layers of polypropylene impregnated with an insulating oil contg. oxygen, an epoxy cpd. is added to the oil, to retard the oxidn. of the polypropylene.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48062232A JPS5213623B2 (en) | 1973-06-01 | 1973-06-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2232056A1 true FR2232056A1 (en) | 1974-12-27 |
FR2232056B3 FR2232056B3 (en) | 1977-04-08 |
Family
ID=13194193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7419006A Granted FR2232056A1 (en) | 1973-06-01 | 1974-05-31 | Electric condensers contg. polypropylene plates - with oxygen cpds. contg. epoxy cpds. as insulating oil, giving longer life |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5213623B2 (en) |
CA (1) | CA1044004A (en) |
DE (1) | DE2426577C2 (en) |
FR (1) | FR2232056A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6030834B2 (en) * | 1977-02-28 | 1985-07-18 | 文化シヤツタ−株式会社 | Manufacturing method of reinforcing plate |
JPS56134838U (en) * | 1980-03-14 | 1981-10-13 | ||
JPS60143926A (en) * | 1983-12-30 | 1985-07-30 | Nippon Petrochem Co Ltd | Method and apparatus for forming rugged sheet |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE355689B (en) * | 1965-11-18 | 1973-04-30 | Gen Electric | |
DE1564711B2 (en) * | 1966-09-16 | 1973-02-15 | Siemens AG, 1000 Berlin u 8000 München | REGENERATIVE ELECTRIC CAPACITOR |
DE1589549C3 (en) * | 1967-10-18 | 1978-04-27 | Robert Bosch Gmbh, 7000 Stuttgart | Electric alternating voltage capacitor with a dielectric containing plastic tapes |
GB1252159A (en) * | 1967-12-11 | 1971-11-03 | ||
DE1924331A1 (en) * | 1969-05-13 | 1970-11-19 | Bosch Gmbh Robert | Drinking agent with castor oil for self-healing capacitors |
DE2047477C3 (en) * | 1969-09-29 | 1981-09-17 | General Electric Co., Schenectady, N.Y. | Method of making a thin polypropylene film and its use in a capacitor |
JPS492463A (en) * | 1972-04-18 | 1974-01-10 |
-
1973
- 1973-06-01 JP JP48062232A patent/JPS5213623B2/ja not_active Expired
-
1974
- 1974-05-28 CA CA200,994A patent/CA1044004A/en not_active Expired
- 1974-05-31 DE DE19742426577 patent/DE2426577C2/en not_active Expired
- 1974-05-31 FR FR7419006A patent/FR2232056A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2426577C2 (en) | 1986-01-02 |
FR2232056B3 (en) | 1977-04-08 |
DE2426577A1 (en) | 1974-12-12 |
CA1044004A (en) | 1978-12-12 |
JPS5213623B2 (en) | 1977-04-15 |
JPS5018963A (en) | 1975-02-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |