SE326763B - - Google Patents
Info
- Publication number
- SE326763B SE326763B SE08833/65A SE883365A SE326763B SE 326763 B SE326763 B SE 326763B SE 08833/65 A SE08833/65 A SE 08833/65A SE 883365 A SE883365 A SE 883365A SE 326763 B SE326763 B SE 326763B
- Authority
- SE
- Sweden
- Prior art keywords
- laminations
- tool
- holes
- slots
- shaped
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Linear Motors (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Electromagnets (AREA)
Abstract
1,088,411. Electromagnets. ENGLISH ELECTRIC CO. Ltd. July 1, 1965 [July 3, 1964], No. 27512/64. Heading H1P. In a laminated ferro-magnetic core 11, such as an electromagnet, holes provided in first and second laminations are arranged to overlap one another so that an adjusting tool may be inserted through these holes at 15 or 16 to effect relative movement of the first and second laminations on rotation of the tool. As shown, slots 18 enable the upper set of laminations 13 to move relative to the fixed lower set of laminations secured at 17 so as to vary air gap 19 as the tool is rotated. Alternatively both sets of laminations may be movable. The laminations may be F-shaped (Figs. 3 and 4, not shown), and the holes may be slot, circular, or triangular shaped. The slots (20) of the upper laminations (Fig. 3) are arranged to overlap the circular holes (21) of the lower laminations so that on inserting a tool (such as in Fig. 2, not shown), a cam surface (25) on the tool moves the slots (20) within the holes (21) to effect relative movement of the laminations. Also a combination T- and E-shaped laminations (Fig. 5, not shown), may be used.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB27512/64A GB1088411A (en) | 1964-07-03 | 1964-07-03 | Ferro-magnetic cores |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE326763B true SE326763B (en) | 1970-08-03 |
Family
ID=10260777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE08833/65A SE326763B (en) | 1964-07-03 | 1965-07-05 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3355689A (en) |
| CH (1) | CH437512A (en) |
| DE (1) | DE1489840B2 (en) |
| GB (1) | GB1088411A (en) |
| SE (1) | SE326763B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7656267B2 (en) * | 2005-04-28 | 2010-02-02 | Tyco Electronics Corporation | Electrical transformers and assemblies |
| US9980396B1 (en) | 2011-01-18 | 2018-05-22 | Universal Lighting Technologies, Inc. | Low profile magnetic component apparatus and methods |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2261323A (en) * | 1940-07-26 | 1941-11-04 | Union Switch & Signal Co | Means for adjusting the impedance of electromagnetic devices |
| US2930998A (en) * | 1956-02-09 | 1960-03-29 | Ward Leonard Electric Co | Fluorescent lamp dimming ballast |
-
1964
- 1964-07-03 GB GB27512/64A patent/GB1088411A/en not_active Expired
-
1965
- 1965-06-28 US US467263A patent/US3355689A/en not_active Expired - Lifetime
- 1965-07-01 DE DE19651489840 patent/DE1489840B2/en active Pending
- 1965-07-02 CH CH928565A patent/CH437512A/en unknown
- 1965-07-05 SE SE08833/65A patent/SE326763B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1088411A (en) | 1967-10-25 |
| DE1489840A1 (en) | 1969-04-03 |
| CH437512A (en) | 1967-06-15 |
| DE1489840B2 (en) | 1970-09-10 |
| US3355689A (en) | 1967-11-28 |
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