BE720113A - - Google Patents
Info
- Publication number
- BE720113A BE720113A BE720113DA BE720113A BE 720113 A BE720113 A BE 720113A BE 720113D A BE720113D A BE 720113DA BE 720113 A BE720113 A BE 720113A
- Authority
- BE
- Belgium
- 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
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/80—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve
- H01H33/82—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve the fluid being air or gas
- H01H33/83—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve the fluid being air or gas wherein the contacts are opened by the flow of air or gas
-
- 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
- H01H33/14—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
-
- 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
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
- H01H33/7038—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by a conducting tubular gas flow enhancing nozzle
- H01H33/7046—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by a conducting tubular gas flow enhancing nozzle having special gas flow directing elements, e.g. grooves, extensions
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19671640720 DE1640720C (de) | 1967-08-31 | 1967-08-31 | Elektrischer strombegrenzender Flüssigkeitsschalter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE720113A true BE720113A (xx) | 1969-02-03 |
Family
ID=5684105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE720113D Expired BE720113A (xx) | 1967-08-31 | 1968-08-29 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3590191A (xx) |
| BE (1) | BE720113A (xx) |
| CH (1) | CH476388A (xx) |
| FR (1) | FR1582248A (xx) |
| GB (1) | GB1238337A (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4273977A (en) * | 1977-08-31 | 1981-06-16 | Mitsubishi Denki Kabushiki Kaisha | Circuit interrupter |
| US4250365A (en) * | 1978-03-22 | 1981-02-10 | Electric Power Research Institute, Inc. | Current interrupter for fault current limiter and method |
| JP4013505B2 (ja) * | 2000-11-27 | 2007-11-28 | 住友金属工業株式会社 | 極低炭素薄鋼板とその製造方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB299301A (en) * | 1927-10-22 | 1929-07-25 | Siemens Ag | Switch with compressed air arc extinction |
| GB312276A (en) * | 1928-05-23 | 1930-02-06 | Siemens Ag | A high potential switch for electric locomotives |
| DE610455C (de) * | 1929-04-23 | 1935-03-11 | Siemens Schuckertwerke Akt Ges | Druckluftschalter mit Mehrfachunterbrechung |
| US2443017A (en) * | 1944-07-18 | 1948-06-08 | Gen Electric | Electric arc extinguishing apparatus |
| DE963442C (de) * | 1952-09-12 | 1957-05-09 | Licentia Gmbh | Druckgasschalter |
| US3327083A (en) * | 1964-12-07 | 1967-06-20 | Allis Chalmers Mfg Co | Multi-chambered arc interrupter having fluid pump |
-
1968
- 1968-08-05 CH CH1168868A patent/CH476388A/de not_active IP Right Cessation
- 1968-08-27 FR FR1582248D patent/FR1582248A/fr not_active Expired
- 1968-08-29 BE BE720113D patent/BE720113A/xx not_active Expired
- 1968-08-30 GB GB1238337D patent/GB1238337A/en not_active Expired
- 1968-09-03 US US757044A patent/US3590191A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB1238337A (xx) | 1971-07-07 |
| CH476388A (de) | 1969-07-31 |
| DE1640720B2 (de) | 1973-11-15 |
| DE1640720A1 (de) | 1970-05-27 |
| US3590191A (en) | 1971-06-29 |
| FR1582248A (xx) | 1969-09-26 |