GB1332489A - Laminar core for transformers or induction coils - Google Patents
Laminar core for transformers or induction coilsInfo
- Publication number
- GB1332489A GB1332489A GB6151870A GB6151870A GB1332489A GB 1332489 A GB1332489 A GB 1332489A GB 6151870 A GB6151870 A GB 6151870A GB 6151870 A GB6151870 A GB 6151870A GB 1332489 A GB1332489 A GB 1332489A
- Authority
- GB
- United Kingdom
- Prior art keywords
- core
- portions
- shaped
- transformers
- air gap
- 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
- H01F27/00—Details of transformers or inductances, in general
- H01F27/33—Arrangements for noise damping
-
- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- General Induction Heating (AREA)
Abstract
1332489 Inductors and transformers W ZUMTOBEL 29. Dec 1970 [29 Dec 1969] 61518/70 Heading H1T A core for an inductor or transformer is formed from outer laminated U-shaped portions 26 (Fig. 2) and two inner laminated portions 8 between which an air gap 1<SP>1</SP> is formed. The gap is bridged by an insert 7 of ferromagnetic material which contains a series of slots 12 (Fig. 3) arranged along its length, the dashed lines 10 indicating the extent to which the ferromagnetic member is embedded in the core portions 8, the dimensions. of the bridge being such that it reaches saturation for a lower coil energizing current than the core. An alternative embodiment (Figs. 4 and 5) has an air gap 4<SP>1</SP> between a single laminated centre core portion and the U-shaped outer core portions 21. Two substantially U-shaped ferromagnetic members 13 containing a series of notches 15 are inserted as shown such that the portions between the notches on the U-shaped members bridge the air gap 4<SP>1</SP>.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT1205169A AT304692B (en) | 1969-12-29 | 1969-12-29 | Iron package or core, preferably made of layered lamellas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1332489A true GB1332489A (en) | 1973-10-03 |
Family
ID=3632022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB6151870A Expired GB1332489A (en) | 1969-12-29 | 1970-12-29 | Laminar core for transformers or induction coils |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3646493A (en) |
| JP (1) | JPS4939325B1 (en) |
| AT (1) | AT304692B (en) |
| CH (2) | CH520395A (en) |
| DE (1) | DE2062224A1 (en) |
| ES (1) | ES200787Y (en) |
| FR (1) | FR2072086B1 (en) |
| GB (1) | GB1332489A (en) |
| NL (1) | NL7018302A (en) |
| NO (1) | NO125833B (en) |
| SE (1) | SE366604B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI57192C (en) * | 1976-10-11 | 1980-06-10 | Helvar Oy | JAERNKAERNA FOER DROSSELANORDNING ELLER TRANSFORMATOR |
| DE3017368A1 (en) * | 1980-05-07 | 1981-11-12 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | LINE TRANSFORMER FOR A TELEVISION RECEIVER |
| DE3510854A1 (en) * | 1985-03-26 | 1986-10-02 | Schwabe GmbH & Co KG Elektrotechnische Fabrik, 7068 Urbach | METHOD FOR THE PRODUCTION OF U-SHAPED CORE SHEETS AND T-SHAPED BACK-SHAPING SHEETS THAT MATCH BETWEEN THE SIDE OF THEM OF A THROTTLE OR A TRANSFORMER, ESPECIALLY FOR GAS DISCHARGE LAMPS |
| US20050212645A1 (en) * | 2004-03-26 | 2005-09-29 | Visteon Global Technologies, Inc. | Ignition coil core assembly having C-shaped laminations |
-
1969
- 1969-12-29 AT AT1205169A patent/AT304692B/en not_active IP Right Cessation
-
1970
- 1970-12-15 FR FR707045107A patent/FR2072086B1/fr not_active Expired
- 1970-12-16 NL NL7018302A patent/NL7018302A/xx unknown
- 1970-12-17 DE DE19702062224 patent/DE2062224A1/en active Pending
- 1970-12-18 US US99549A patent/US3646493A/en not_active Expired - Lifetime
- 1970-12-23 ES ES1970200787U patent/ES200787Y/en not_active Expired
- 1970-12-23 NO NO4932/70A patent/NO125833B/no unknown
- 1970-12-28 CH CH1919370A patent/CH520395A/en not_active IP Right Cessation
- 1970-12-28 JP JP45124584A patent/JPS4939325B1/ja active Pending
- 1970-12-28 CH CH24072A patent/CH533894A/en not_active IP Right Cessation
- 1970-12-28 SE SE17629/70A patent/SE366604B/xx unknown
- 1970-12-29 GB GB6151870A patent/GB1332489A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NO125833B (en) | 1972-11-06 |
| ES200787U (en) | 1975-09-01 |
| JPS4939325B1 (en) | 1974-10-24 |
| FR2072086A1 (en) | 1971-09-24 |
| AT304692B (en) | 1973-01-25 |
| CH520395A (en) | 1972-03-15 |
| FR2072086B1 (en) | 1973-02-02 |
| US3646493A (en) | 1972-02-29 |
| ES200787Y (en) | 1976-01-16 |
| SE366604B (en) | 1974-04-29 |
| CH533894A (en) | 1973-02-28 |
| DE2062224A1 (en) | 1971-07-01 |
| NL7018302A (en) | 1971-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |