NL131699C - - Google Patents
Info
- Publication number
- NL131699C NL131699C NL131699DA NL131699C NL 131699 C NL131699 C NL 131699C NL 131699D A NL131699D A NL 131699DA NL 131699 C NL131699 C NL 131699C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
- H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Keying Circuit Devices (AREA)
- Control Of Electrical Variables (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEM70212A DE1265292B (de) | 1966-07-13 | 1966-07-13 | UEberspannungs-Schutzschaltung fuer Lastumschalter von Stufenschaltern fuer Regeltransformatoren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL131699C true NL131699C (zh) |
Family
ID=7313345
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL131699D NL131699C (zh) | 1966-07-13 | ||
| NL6709639A NL6709639A (zh) | 1966-07-13 | 1967-07-11 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6709639A NL6709639A (zh) | 1966-07-13 | 1967-07-11 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3493698A (zh) |
| BE (1) | BE701244A (zh) |
| CH (1) | CH453494A (zh) |
| DE (1) | DE1265292B (zh) |
| GB (1) | GB1156343A (zh) |
| NL (2) | NL6709639A (zh) |
| SE (1) | SE308556B (zh) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2227984A (en) * | 1939-07-25 | 1941-01-07 | Gen Electric | Regulator circuit |
| NL279997A (zh) * | 1961-06-22 | |||
| FR1321884A (fr) * | 1961-06-22 | 1963-03-22 | Reinhausen Maschf Scheubeck | Interrupteur à étages pour transformateurs à haute tension à plusieurs phases |
| DE1181318B (de) * | 1963-12-21 | 1964-11-12 | Siemens Ag | Schutzeinrichtung fuer Stufenwaehler von Regeltransformatoren |
-
0
- NL NL131699D patent/NL131699C/xx active
-
1966
- 1966-07-13 DE DEM70212A patent/DE1265292B/de not_active Withdrawn
-
1967
- 1967-06-26 SE SE9184/67*A patent/SE308556B/xx unknown
- 1967-07-05 US US651284A patent/US3493698A/en not_active Expired - Lifetime
- 1967-07-07 GB GB31342/67A patent/GB1156343A/en not_active Expired
- 1967-07-08 CH CH975067A patent/CH453494A/de unknown
- 1967-07-11 NL NL6709639A patent/NL6709639A/xx unknown
- 1967-07-12 BE BE701244D patent/BE701244A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE308556B (zh) | 1969-02-17 |
| BE701244A (zh) | 1967-12-18 |
| CH453494A (de) | 1968-06-14 |
| US3493698A (en) | 1970-02-03 |
| GB1156343A (en) | 1969-06-25 |
| DE1265292B (de) | 1968-04-04 |
| NL6709639A (zh) | 1968-01-15 |