GB1328160A - Transformers or chokes - Google Patents
Transformers or chokesInfo
- Publication number
- GB1328160A GB1328160A GB5791870A GB5791870A GB1328160A GB 1328160 A GB1328160 A GB 1328160A GB 5791870 A GB5791870 A GB 5791870A GB 5791870 A GB5791870 A GB 5791870A GB 1328160 A GB1328160 A GB 1328160A
- Authority
- GB
- United Kingdom
- Prior art keywords
- core portion
- winding
- windings
- dec
- transformer
- 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
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
-
- 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)
- Coils Or Transformers For Communication (AREA)
- Coils Of Transformers For General Uses (AREA)
- Catching Or Destruction (AREA)
Abstract
1328160 Transformers and inductors W ZUMTOBEL 7 Dec 1970 [9 Dec 1969] 57918/70 Heading H1T A transformer or choke comprises a laminated core portion 1 carrying at least one winding 2 and a laminated yoke portion 3 comprising two U-shaped yoke members 3 which at least partially surround the winding, the length L of the core portion between extreme ends of the winding or windings being substantially equal to the width B of the core portion in the region or regions in which the core portion is wound and the U-shaped yoke members each having an inside surface on an arm thereof which abuts an end surface of the core portion. A large number of different arrangements similar to that shown in Fig. 1 are described together with details of how the laminations may be stamped from a sheet of material with very little wastage. Fig. 16 shows an embodiment in which the transformer or choke has two windings. Specification 1,312,495 is referred to.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT1141569A AT311485B (en) | 1969-12-09 | 1969-12-09 | Transformer or induction coil with iron core |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1328160A true GB1328160A (en) | 1973-08-30 |
Family
ID=3628582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5791870A Expired GB1328160A (en) | 1969-12-09 | 1970-12-07 | Transformers or chokes |
Country Status (11)
Country | Link |
---|---|
AT (1) | AT311485B (en) |
CH (1) | CH524232A (en) |
DE (1) | DE2058779C2 (en) |
ES (1) | ES198355Y (en) |
FI (1) | FI54985C (en) |
FR (1) | FR2070783B1 (en) |
GB (1) | GB1328160A (en) |
NL (1) | NL7016858A (en) |
NO (1) | NO128886B (en) |
SE (1) | SE383060B (en) |
ZA (1) | ZA708278B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4711019A (en) * | 1985-03-26 | 1987-12-08 | Schwabe Gmbh | Method of making core laminations, and punch die for carrying out the method |
DE4139003A1 (en) * | 1991-11-27 | 1993-06-03 | May & Christe Gmbh | MAGNETIC CORE IN THE SHELL DESIGN OF A THROTTLE OR TRANSFORMER, LAYERED FROM C AND I-SHAPED CORE SHEETS |
EP0580131A2 (en) * | 1992-07-20 | 1994-01-26 | Knobel Ag Lichttechnische Komponenten | Methof for making a choke or a transformer with E-shaped core laminations formed of two U-shaped laminations |
ES2076859A2 (en) * | 1993-04-23 | 1995-11-01 | Luminotecnicas Especial | Improvements in the punching of E-shaped and I-shaped core plates. |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT323282B (en) * | 1973-06-14 | 1975-07-10 | Zumtobel Walter | TRANSFORMER OR THROTTLE |
FR2354619A1 (en) * | 1976-06-10 | 1978-01-06 | Banet H | Fabrication method for transformer laminations - minimises cutting wastage and gives laminations which are butt fitted |
FI57192C (en) * | 1976-10-11 | 1980-06-10 | Helvar Oy | JAERNKAERNA FOER DROSSELANORDNING ELLER TRANSFORMATOR |
DE3068319D1 (en) * | 1979-11-02 | 1984-07-26 | Linton & Hirst Ltd | Method for forming laminations for transformer cores |
FR2494026A2 (en) * | 1980-11-12 | 1982-05-14 | Marchal Equip Auto | Air gaps setting method for automobile induction coil cores - uses non-magnetic spacer with pairs of orthogonal flanges to fully interlock yoke and U-core |
DE3402036C1 (en) * | 1984-01-21 | 1985-07-11 | Schwabe GmbH & Co KG Elektrotechnische Fabrik, 7067 Urbach | Method for producing E-shaped core laminates and I-shaped magnetic return path laminates of an inductor or of a transformer, especially for gas-discharge lamps |
DE4228642A1 (en) * | 1992-08-28 | 1994-03-03 | Tridonic Bauelemente Gmbh Dorn | Choke impedance adjustment method |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR963429A (en) * | 1950-07-10 | |||
DE218916C (en) * | ||||
US1698634A (en) * | 1928-01-24 | 1929-01-08 | Gen Electric | Electrical induction apparatus |
US2305686A (en) * | 1938-12-09 | 1942-12-22 | Western Electric Co | Electromagnetic core |
US2235425A (en) * | 1938-12-09 | 1941-03-18 | Western Electric Co | Electromagnetic core |
US2560224A (en) * | 1948-12-31 | 1951-07-10 | Gen Electric | Laminated magnetic core |
FR60546E (en) * | 1949-12-22 | 1954-11-09 | Lampes Sa | Improvements in the manufacture of ballast windings |
DE1028687B (en) * | 1953-03-21 | 1958-04-24 | Plathner Ernst Transformatoren | Inductive ballast for low voltage fluorescent lamps |
US3201731A (en) * | 1962-11-27 | 1965-08-17 | Electro Netic Steel Inc | Transformer core and lamination therefor |
DE1563242A1 (en) * | 1966-08-23 | 1969-11-27 | Licentia Gmbh | Ballast for fluorescent lamps |
DE1613628A1 (en) * | 1967-03-20 | 1970-07-30 | Blum Eisen & Metallind | Two-part iron core, especially for transformers |
DE1638339A1 (en) * | 1967-07-01 | 1970-06-18 | Knobel Dubs Fritz | Magnetic core |
FR1560537A (en) * | 1968-01-15 | 1969-03-21 |
-
1969
- 1969-12-09 AT AT1141569A patent/AT311485B/en active
-
1970
- 1970-11-18 NL NL7016858A patent/NL7016858A/xx unknown
- 1970-11-30 ES ES1970198355U patent/ES198355Y/en not_active Expired
- 1970-11-30 DE DE2058779A patent/DE2058779C2/en not_active Expired
- 1970-12-04 CH CH1795470A patent/CH524232A/en not_active IP Right Cessation
- 1970-12-07 NO NO04690/70A patent/NO128886B/no unknown
- 1970-12-07 GB GB5791870A patent/GB1328160A/en not_active Expired
- 1970-12-08 FR FR7044124A patent/FR2070783B1/fr not_active Expired
- 1970-12-08 ZA ZA708278A patent/ZA708278B/en unknown
- 1970-12-08 FI FI3307/70A patent/FI54985C/en active
- 1970-12-09 SE SE7016666A patent/SE383060B/en unknown
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4711019A (en) * | 1985-03-26 | 1987-12-08 | Schwabe Gmbh | Method of making core laminations, and punch die for carrying out the method |
AU585960B2 (en) * | 1985-03-26 | 1989-06-29 | Vossloh Schwabe Gmbh | Method of making core laminations and punch die for carrying out the method |
DE4139003A1 (en) * | 1991-11-27 | 1993-06-03 | May & Christe Gmbh | MAGNETIC CORE IN THE SHELL DESIGN OF A THROTTLE OR TRANSFORMER, LAYERED FROM C AND I-SHAPED CORE SHEETS |
EP0580131A2 (en) * | 1992-07-20 | 1994-01-26 | Knobel Ag Lichttechnische Komponenten | Methof for making a choke or a transformer with E-shaped core laminations formed of two U-shaped laminations |
EP0580131A3 (en) * | 1992-07-20 | 1994-03-23 | Knobel Lichttech | |
ES2076859A2 (en) * | 1993-04-23 | 1995-11-01 | Luminotecnicas Especial | Improvements in the punching of E-shaped and I-shaped core plates. |
Also Published As
Publication number | Publication date |
---|---|
FR2070783A1 (en) | 1971-09-17 |
NO128886B (en) | 1974-01-21 |
FI54985C (en) | 1979-04-10 |
ZA708278B (en) | 1971-08-25 |
FR2070783B1 (en) | 1976-05-28 |
FI54985B (en) | 1978-12-29 |
CH524232A (en) | 1972-06-15 |
ES198355Y (en) | 1975-11-01 |
AT311485B (en) | 1973-11-26 |
SE383060B (en) | 1976-02-23 |
DE2058779C2 (en) | 1982-10-07 |
DE2058779A1 (en) | 1971-06-09 |
ES198355U (en) | 1975-06-01 |
NL7016858A (en) | 1971-06-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PE20 | Patent expired after termination of 20 years |