GB1588765A - Iron cores for electrical chokes or transformers - Google Patents
Iron cores for electrical chokes or transformers Download PDFInfo
- Publication number
- GB1588765A GB1588765A GB42050/77A GB4205077A GB1588765A GB 1588765 A GB1588765 A GB 1588765A GB 42050/77 A GB42050/77 A GB 42050/77A GB 4205077 A GB4205077 A GB 4205077A GB 1588765 A GB1588765 A GB 1588765A
- Authority
- GB
- United Kingdom
- Prior art keywords
- shaped plates
- plates
- stacks
- stack
- core
- 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)
- Soft Magnetic Materials (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI762891A FI57192C (fi) | 1976-10-11 | 1976-10-11 | Jaernkaerna foer drosselanordning eller transformator |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1588765A true GB1588765A (en) | 1981-04-29 |
Family
ID=8510328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB42050/77A Expired GB1588765A (en) | 1976-10-11 | 1977-10-10 | Iron cores for electrical chokes or transformers |
Country Status (8)
Country | Link |
---|---|
DE (1) | DE2745701C2 (fr) |
FI (1) | FI57192C (fr) |
FR (1) | FR2367340A1 (fr) |
GB (1) | GB1588765A (fr) |
NO (1) | NO148466C (fr) |
PL (1) | PL114511B1 (fr) |
SE (1) | SE421362B (fr) |
SU (1) | SU745390A3 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3017368A1 (de) * | 1980-05-07 | 1981-11-12 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Zeilentransformator fuer einen fernsehempfaenger |
DE3510854A1 (de) * | 1985-03-26 | 1986-10-02 | Schwabe GmbH & Co KG Elektrotechnische Fabrik, 7068 Urbach | Verfahren zur herstellung u-foermiger kernbleche und zwischen deren schenkel passender t-foermiger rueckschlussbleche einer drossel oder eines transformators, insbesondere fuer gasentladungslampen |
EP0571242A1 (fr) * | 1992-05-21 | 1993-11-24 | Acec Ballasts | Circuit magnétique à entrefer, en particulier pour ballasts pour lampes à décharge, et son procédé de fabrication |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE159059C (fr) * | ||||
GB128118A (en) * | 1918-11-13 | 1919-06-19 | Ralph Crosbie-Hill | Improvements relating to Electric Transformers. |
US1783050A (en) * | 1930-04-22 | 1930-11-25 | Gen Electric | Magnetic core |
US3132285A (en) * | 1957-03-22 | 1964-05-05 | Jefferson Electric Co | Transformer ballast assembly for energizing gas discharge devices |
GB878573A (en) * | 1958-09-10 | 1961-10-04 | Gen Electric Co Ltd | Improvements in or relating to the production of magnetic core laminations |
FR1218773A (fr) * | 1959-03-11 | 1960-05-12 | Normacem Sa | Circuit magnétique pour transformateur |
US3153961A (en) * | 1963-06-20 | 1964-10-27 | Advance Transformer Co | Method of producing transformer core laminations from strip stock |
DE1613628A1 (de) * | 1967-03-20 | 1970-07-30 | Blum Eisen & Metallind | Zweiteiliger Eisenkern,insbesondere fuer Transformatoren |
AT311485B (de) * | 1969-12-09 | 1973-11-26 | Zumtobel Walter | Transformator oder Induktionsspule mit Eisenkern |
AT304691B (de) * | 1969-12-09 | 1973-01-25 | Zumtobel Walter | Transformator oder Induktionsspule |
AT304692B (de) * | 1969-12-29 | 1973-01-25 | Zumtobel Walter | Eisenpaket oder Kern, vorzugsweise aus geschichteten Lamellen |
SE363924B (fr) * | 1970-08-27 | 1974-02-04 | Licentia Gmbh | |
DE2106900A1 (de) * | 1971-02-13 | 1972-08-24 | Siemens Ag | Elektrische Drosselspule für den Betrieb von Gasentladungslampen |
FR2173689B1 (fr) * | 1972-02-28 | 1975-06-13 | Cetek Const Electrotech | |
DE2309727C3 (de) * | 1973-02-27 | 1979-05-03 | Fa. Hermann Schwabe, 7067 Urbach | Verfahren zur Herstellung von insbesondere als Vorschaltgerät für Gasentladungslampen zu verwendende Drosseln oder Transformatoren |
GB1464798A (en) * | 1973-08-20 | 1977-02-16 | Zumtobel W | Transformer or choke with an iron body |
-
1976
- 1976-10-11 FI FI762891A patent/FI57192C/fi not_active IP Right Cessation
-
1977
- 1977-10-10 GB GB42050/77A patent/GB1588765A/en not_active Expired
- 1977-10-10 SE SE7711335A patent/SE421362B/xx not_active IP Right Cessation
- 1977-10-10 FR FR7730456A patent/FR2367340A1/fr active Granted
- 1977-10-10 NO NO773445A patent/NO148466C/no unknown
- 1977-10-11 PL PL1977201439A patent/PL114511B1/pl unknown
- 1977-10-11 SU SU772536800A patent/SU745390A3/ru active
- 1977-10-11 DE DE2745701A patent/DE2745701C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2367340A1 (fr) | 1978-05-05 |
FI57192B (fi) | 1980-02-29 |
NO148466C (no) | 1983-10-12 |
SE421362B (sv) | 1981-12-14 |
FI57192C (fi) | 1980-06-10 |
DE2745701A1 (de) | 1978-04-13 |
DE2745701C2 (de) | 1986-07-31 |
NO148466B (no) | 1983-07-04 |
FI762891A (fi) | 1978-04-12 |
SE7711335L (sv) | 1978-04-12 |
PL201439A1 (pl) | 1978-04-24 |
SU745390A3 (ru) | 1980-06-30 |
FR2367340B1 (fr) | 1984-02-24 |
PL114511B1 (en) | 1981-02-28 |
NO773445L (no) | 1978-04-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 19971009 |