GB660089A - Improvements in and relating to electric induction devices particularly transformers - Google Patents
Improvements in and relating to electric induction devices particularly transformersInfo
- Publication number
- GB660089A GB660089A GB33371/49A GB3337149A GB660089A GB 660089 A GB660089 A GB 660089A GB 33371/49 A GB33371/49 A GB 33371/49A GB 3337149 A GB3337149 A GB 3337149A GB 660089 A GB660089 A GB 660089A
- Authority
- GB
- United Kingdom
- Prior art keywords
- laminations
- shunt member
- core
- main core
- plane
- Prior art date
- 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
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/08—High-leakage transformers or inductances
- H01F38/10—Ballasts, e.g. for discharge lamps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
Abstract
660,089. Transformers. BRITISH THOMSON-HOUSTON CO., Ltd. Dec. 30, 1949 [Jan. 15, 1949], No. 33371/49. Class 38 (ii). A transformer comprising a core of E and I laminations 3, 4 is provided with high leakage reactance by disposing the secondary winding 7 concentric to the primary winding 6 on the central limb 5 with at least one magnetic shunt member 8 formed of a plurality of laminations, separating the primary and secondary windings, this shunt member 8 lying in a plane different from that established by the main core legs, and outside the core windows. As shown, the shunt member comprise L- shaped laminations having the foot of alternate L's mounted at either end of the core and arranged parallel to and lying in a plane perpendicular to the plane of the main core laminations, preferably on opposite sides of the centre leg. Alternatively, I or U-shaped laminations may be used. The gap between the end of the shunt member and the main core may be maintained by insulating material 13 and kraft board 12 may be wedged between the shunt member and coils. The transformer may be used in conjunction with a discharge device to provide the ballast.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US660089XA | 1949-01-15 | 1949-01-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB660089A true GB660089A (en) | 1951-10-31 |
Family
ID=22066661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB33371/49A Expired GB660089A (en) | 1949-01-15 | 1949-12-30 | Improvements in and relating to electric induction devices particularly transformers |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB660089A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2125634A (en) * | 1982-08-21 | 1984-03-07 | Polymer Physik Gmbh | Transformer |
-
1949
- 1949-12-30 GB GB33371/49A patent/GB660089A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2125634A (en) * | 1982-08-21 | 1984-03-07 | Polymer Physik Gmbh | Transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB529420A (en) | Constant potential transformer | |
| GB1428708A (en) | Ballast apparatus for operating a gaseous discharge device | |
| GB914857A (en) | A magnetic core for inductive devices | |
| GB660089A (en) | Improvements in and relating to electric induction devices particularly transformers | |
| GB1015044A (en) | Improvements in or relating to transformers | |
| GB693288A (en) | Improvements in and relating to electric induction apparatus | |
| GB661340A (en) | Improvements in and relating to electric transformers | |
| JPS5799716A (en) | High frequency transformer for high frequency switching power source | |
| GB649816A (en) | Improvements in or relating to electric transformers | |
| GB769461A (en) | Improvements in and relating to laminated core structures for electric induction apparatus | |
| GB664332A (en) | Improvements in and relating to laminated magnetic core constructions for electric induction apparatus | |
| GB710719A (en) | Improvements in and relating to electric induction apparatus | |
| GB683621A (en) | Improvements in or relating to electric transformers | |
| GB657851A (en) | Improvements in and relating to clamping means for laminated cores of electric induction apparatus | |
| GB662711A (en) | Improvements in or relating to bobbins for transformers and chokes having laminated cores | |
| GB647995A (en) | Improvements in or relating to current limiting devices or choke coils | |
| GB684001A (en) | Improvements in and relating to stationary electrical induction apparatus | |
| GB851814A (en) | Improvements in or relating to inductances | |
| GB658348A (en) | Improvements in and relating to high frequency electric transformers | |
| GB662911A (en) | Improvements in and relating to laminated core constructions of electric induction apparatus | |
| GB616428A (en) | Improvements in and relating to electric transformers | |
| GB738300A (en) | Improvements relating to rectifier equipments and to interphase transformers therefor | |
| GB662690A (en) | Improvements in and relating to electromagnetic induction devices | |
| GB497162A (en) | Improvements in electric transformers | |
| GB643637A (en) | Improvements in or relating to ballasts for use in the circuits of electric discharge lamps |