JPS4968240A - - Google Patents
Info
- Publication number
- JPS4968240A JPS4968240A JP48097797A JP9779773A JPS4968240A JP S4968240 A JPS4968240 A JP S4968240A JP 48097797 A JP48097797 A JP 48097797A JP 9779773 A JP9779773 A JP 9779773A JP S4968240 A JPS4968240 A JP S4968240A
- 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.)
- Pending
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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
-
- 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
- H01T1/00—Details of spark gaps
- H01T1/02—Means for extinguishing arc
-
- 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
- H01T1/00—Details of spark gaps
- H01T1/14—Means structurally associated with spark gap for protecting it against overload or for disconnecting it in case of failure
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1320172A CH538767A (de) | 1972-09-08 | 1972-09-08 | Uberspannungsableiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4968240A true JPS4968240A (ja) | 1974-07-02 |
Family
ID=4390280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48097797A Pending JPS4968240A (ja) | 1972-09-08 | 1973-08-30 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3851217A (ja) |
| JP (1) | JPS4968240A (ja) |
| AT (1) | AT319372B (ja) |
| CH (1) | CH538767A (ja) |
| DE (1) | DE2323735A1 (ja) |
| ES (1) | ES418590A1 (ja) |
| FR (1) | FR2199213B1 (ja) |
| SE (1) | SE380138B (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6976345B2 (en) * | 1999-04-05 | 2005-12-20 | Firouzeh Keshmiri | Cementitious based structural lumber product and externally reinforced lightweight retaining wall system |
| DE102013217320A1 (de) * | 2013-08-30 | 2015-03-05 | Phoenix Contact Gmbh & Co. Kg | Sicherungselement für eine Überspannungsschutzeinrichtung |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2948831A (en) * | 1956-08-01 | 1960-08-09 | Mc Graw Edison Co | Overvoltage protective gaps |
| US3093772A (en) * | 1957-05-09 | 1963-06-11 | Ass Elect Ind Manchester Ltd | Surge diverters |
| US3510726A (en) * | 1967-10-31 | 1970-05-05 | Westinghouse Electric Corp | Grading and cascading circuit for lightning arresters having a plurality of spark gaps |
-
1972
- 1972-09-08 CH CH1320172A patent/CH538767A/de not_active IP Right Cessation
-
1973
- 1973-05-10 DE DE2323735A patent/DE2323735A1/de active Pending
- 1973-06-18 SE SE7308489A patent/SE380138B/xx unknown
- 1973-07-06 AT AT599273A patent/AT319372B/de not_active IP Right Cessation
- 1973-08-15 US US00388640A patent/US3851217A/en not_active Expired - Lifetime
- 1973-08-16 FR FR7329881A patent/FR2199213B1/fr not_active Expired
- 1973-08-30 JP JP48097797A patent/JPS4968240A/ja active Pending
- 1973-09-08 ES ES418590A patent/ES418590A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH538767A (de) | 1973-06-30 |
| SE380138B (ja) | 1975-10-27 |
| FR2199213A1 (ja) | 1974-04-05 |
| AT319372B (de) | 1974-12-27 |
| DE2323735A1 (de) | 1974-03-14 |
| US3851217A (en) | 1974-11-26 |
| FR2199213B1 (ja) | 1977-02-25 |
| ES418590A1 (es) | 1976-04-01 |