JPS553772B2 - - Google Patents
Info
- Publication number
- JPS553772B2 JPS553772B2 JP795174A JP795174A JPS553772B2 JP S553772 B2 JPS553772 B2 JP S553772B2 JP 795174 A JP795174 A JP 795174A JP 795174 A JP795174 A JP 795174A JP S553772 B2 JPS553772 B2 JP S553772B2
- Authority
- JP
- Japan
- 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
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/59—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the AC cycle
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/16—Impedances connected with contacts
- H01H33/168—Impedances connected with contacts the impedance being inserted both while closing and while opening the switch
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Keying Circuit Devices (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7415902A FR2258086A7 (en) | 1974-01-18 | 1974-05-08 | Special shape eating fork - has prong length increasing steadily from one side to other |
| NL7408978A NL7408978A (nl) | 1974-01-18 | 1974-07-03 | Eetvork. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00324949A US3842225A (en) | 1973-01-19 | 1973-01-19 | High voltage circuit breaker utilizing insertion of a fixed resistance during opening and closing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS49103170A JPS49103170A (enExample) | 1974-09-30 |
| JPS553772B2 true JPS553772B2 (enExample) | 1980-01-26 |
Family
ID=23265818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP795174A Expired JPS553772B2 (enExample) | 1973-01-19 | 1974-01-18 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3842225A (enExample) |
| JP (1) | JPS553772B2 (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6333459Y2 (enExample) * | 1979-02-23 | 1988-09-06 | ||
| JP3175976B2 (ja) * | 1992-06-18 | 2001-06-11 | 株式会社東芝 | 抵抗付遮断器 |
| FR2780210B1 (fr) * | 1998-06-19 | 2000-07-13 | Alsthom Gec | Dispositif limiteur pour disjoncteur haute tension a cuve metallique mise a la terre |
| EP1376633A1 (de) * | 2002-06-17 | 2004-01-02 | Abb Research Ltd. | Stromschalteinrichtung |
| US8710726B1 (en) | 2012-06-14 | 2014-04-29 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Reduced plating ignitron |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2665396A (en) * | 1951-11-02 | 1954-01-05 | Mcgraw Electric Co | Circuit breaker |
| US3114816A (en) * | 1960-09-22 | 1963-12-17 | Gen Electric | Circuit breaker of gas blast type having insulator bushing means for externally locating an impedance means |
| US3590186A (en) * | 1968-12-19 | 1971-06-29 | Allis Chalmers Mfg Co | Vacuum interrupter having series connected resistor and shunting means for the latter |
-
1973
- 1973-01-19 US US00324949A patent/US3842225A/en not_active Expired - Lifetime
-
1974
- 1974-01-18 JP JP795174A patent/JPS553772B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3842225A (en) | 1974-10-15 |
| JPS49103170A (enExample) | 1974-09-30 |