FR2056942B1 - - Google Patents
Info
- Publication number
- FR2056942B1 FR2056942B1 FR707028496A FR7028496A FR2056942B1 FR 2056942 B1 FR2056942 B1 FR 2056942B1 FR 707028496 A FR707028496 A FR 707028496A FR 7028496 A FR7028496 A FR 7028496A FR 2056942 B1 FR2056942 B1 FR 2056942B1
- Authority
- FR
- France
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/16—Overvoltage arresters using spark gaps having a plurality of gaps arranged in series
- H01T4/20—Arrangements for improving potential distribution
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6086669A JPS4827104B1 (en) | 1969-08-01 | 1969-08-01 | |
JP5328170A JPS4948093B1 (en) | 1970-06-19 | 1970-06-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2056942A1 FR2056942A1 (en) | 1971-05-07 |
FR2056942B1 true FR2056942B1 (en) | 1973-01-12 |
Family
ID=26393998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR707028496A Expired FR2056942B1 (en) | 1969-08-01 | 1970-07-31 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3649875A (en) |
CH (1) | CH523615A (en) |
DE (1) | DE2037921C3 (en) |
FR (1) | FR2056942B1 (en) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE369803B (en) * | 1972-03-17 | 1974-09-16 | Asea Ab | |
US3842318A (en) * | 1972-10-11 | 1974-10-15 | Westinghouse Electric Corp | Shielded metal enclosed electrical equipment |
US3767973A (en) * | 1972-10-11 | 1973-10-23 | Westinghouse Electric Corp | Shielded metal enclosed lightning arrester |
US3753045A (en) * | 1972-10-11 | 1973-08-14 | Westinghouse Electric Corp | Shielded metal enclosed lightning arrester |
US4011485A (en) * | 1975-05-30 | 1977-03-08 | Joslyn Mfg. And Supply Co. | Valve type surge arrester |
US4136299A (en) * | 1976-04-26 | 1979-01-23 | Mitsubishi Denki Kabushiki Kaisha | Lightning arrester device |
DE2619317C2 (en) * | 1976-04-30 | 1985-07-11 | Mitsubishi Denki K.K., Tokio/Tokyo | Lightning protection device |
JPS53138029A (en) * | 1977-05-07 | 1978-12-02 | Mitsubishi Electric Corp | Abnormal voltage protective equipment |
JPS53143952A (en) * | 1977-05-21 | 1978-12-14 | Mitsubishi Electric Corp | Protective device for anomalous voltage |
US4219862A (en) * | 1977-06-22 | 1980-08-26 | Mitsubishi Denki Kabushiki Kaisha | Lightning arrester device |
JPS5421556A (en) * | 1977-07-19 | 1979-02-17 | Toshiba Corp | Protective gap |
US4234902A (en) * | 1977-10-07 | 1980-11-18 | Mitsubishi Denki Kabushiki Kaisha | Enclosed lightning arrester |
JPS5830819B2 (en) * | 1978-04-12 | 1983-07-01 | 沖電気工業株式会社 | Print method |
JPS55105989A (en) * | 1979-02-09 | 1980-08-14 | Hitachi Ltd | Tank type arrester |
JPS6126449B2 (en) * | 1980-03-19 | 1986-06-20 | Sandvik Ab | |
DE3012741C2 (en) * | 1980-03-28 | 1982-08-12 | Siemens AG, 1000 Berlin und 8000 München | Surge arrester with a column of arrester elements and shielding bodies |
US4340924A (en) * | 1980-10-27 | 1982-07-20 | General Electric Company | Grading means for high voltage metal enclosed gas insulated surge arresters |
DE3112477C2 (en) * | 1981-03-26 | 1984-02-02 | Siemens AG, 1000 Berlin und 8000 München | Surge arrester with shielding bodies surrounding a column of arrester elements |
DE3411735A1 (en) * | 1984-03-30 | 1985-10-03 | Karl Pfisterer Elektrotechnische Spezialartikel Gmbh & Co Kg, 7000 Stuttgart | SURGE ARRESTERS |
JP3283104B2 (en) * | 1993-06-18 | 2002-05-20 | 株式会社東芝 | Tank type surge arrester |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2002042A (en) * | 1934-01-11 | 1935-05-21 | Ralph R Pittman | Excess-voltage protective structure |
US3087094A (en) * | 1956-07-13 | 1963-04-23 | Mc Graw Edison Co | Lightning arrester |
US3259781A (en) * | 1961-07-25 | 1966-07-05 | Dale Electronics | Method of and means for distributing the electrical field around the bushing of lightning arrestors |
-
1970
- 1970-07-28 US US58874A patent/US3649875A/en not_active Expired - Lifetime
- 1970-07-29 CH CH1144770A patent/CH523615A/en not_active IP Right Cessation
- 1970-07-30 DE DE2037921A patent/DE2037921C3/en not_active Expired
- 1970-07-31 FR FR707028496A patent/FR2056942B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2037921C3 (en) | 1978-11-02 |
DE2037921A1 (en) | 1971-02-18 |
FR2056942A1 (en) | 1971-05-07 |
DE2037921B2 (en) | 1972-08-17 |
US3649875A (en) | 1972-03-14 |
CH523615A (en) | 1972-05-31 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |