BE445214A - - Google Patents
Info
- Publication number
- BE445214A BE445214A BE445214DA BE445214A BE 445214 A BE445214 A BE 445214A BE 445214D A BE445214D A BE 445214DA BE 445214 A BE445214 A BE 445214A
- Authority
- BE
- Belgium
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
- H01H33/44—Devices for ensuring operation of the switch at a predetermined point in the AC cycle
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE236654X | 1941-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE445214A true BE445214A (en, 2012) |
Family
ID=5902674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE445214D BE445214A (en, 2012) | 1941-03-28 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE445214A (en, 2012) |
| CH (1) | CH236654A (en, 2012) |
| FR (1) | FR881385A (en, 2012) |
| NL (1) | NL105683B (en, 2012) |
-
0
- NL NL105683D patent/NL105683B/xx unknown
- BE BE445214D patent/BE445214A/xx unknown
-
1942
- 1942-03-26 CH CH236654D patent/CH236654A/de unknown
- 1942-04-21 FR FR881385D patent/FR881385A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR881385A (fr) | 1943-04-22 |
| CH236654A (de) | 1945-02-28 |
| NL105683B (en, 2012) |