GB550191A - Improvements in and relating to magnetic cores and methods of making the same - Google Patents
Improvements in and relating to magnetic cores and methods of making the sameInfo
- Publication number
- GB550191A GB550191A GB1116/42A GB111642A GB550191A GB 550191 A GB550191 A GB 550191A GB 1116/42 A GB1116/42 A GB 1116/42A GB 111642 A GB111642 A GB 111642A GB 550191 A GB550191 A GB 550191A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sections
- strip
- joints
- core
- cores
- 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
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0233—Manufacturing of magnetic circuits made from sheets
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
550,191. Cores for dynamo-electric machines ; transformers and inductors. BRITISH THOMSON-HOUSTON CO., Ltd. Jan. 27, 1942, No. 1116. Convention date, Jan. 28, 1941. [Classes 35 and 38 (ii)] [Also in Group XXII] Magnetic cores in general, including those for transformers and reactors ; motors, generators, and other rotating apparatus ; and other stationary forms of induction apparatus ; are built up from strip having its most favourable magnetic direction lengthways. The core, Fig. 1, is built up from strip sections with milled joints with interlocking projections 13 across the joints. In building up the core alternate laminations have the projections extending in opposite directions so that lateral displacement of end sections 12 and side sections 11 in the finished cores is prevented. The sections are punched from the strip without waste as indicated in Fig. 2, or if desired the sections 11 may be punched from one strip and those 12 from another. The projections need not interlock but may be semicircular, triangular, &c. The core is preferably annealed after assembly as this tends to increase the closeness of fit at the joints.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US550191XA | 1941-01-28 | 1941-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB550191A true GB550191A (en) | 1942-12-28 |
Family
ID=21995035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1116/42A Expired GB550191A (en) | 1941-01-28 | 1942-01-27 | Improvements in and relating to magnetic cores and methods of making the same |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB550191A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3172067A (en) * | 1960-02-09 | 1965-03-02 | Ferranti Ltd | Electrical transformers having dismantlable laminated cores |
| GB2222030A (en) * | 1988-07-27 | 1990-02-21 | Linton & Hirst Ltd | Laminations for electromagnetic cores |
-
1942
- 1942-01-27 GB GB1116/42A patent/GB550191A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3172067A (en) * | 1960-02-09 | 1965-03-02 | Ferranti Ltd | Electrical transformers having dismantlable laminated cores |
| GB2222030A (en) * | 1988-07-27 | 1990-02-21 | Linton & Hirst Ltd | Laminations for electromagnetic cores |
| GB2222030B (en) * | 1988-07-27 | 1993-04-28 | Linton & Hirst Ltd | Improvements in laminations |
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