FR2262857A1 - Shell core transformer with central core piece - has specified core piece configuration corresponding to shell slots - Google Patents
Shell core transformer with central core piece - has specified core piece configuration corresponding to shell slotsInfo
- Publication number
- FR2262857A1 FR2262857A1 FR7506300A FR7506300A FR2262857A1 FR 2262857 A1 FR2262857 A1 FR 2262857A1 FR 7506300 A FR7506300 A FR 7506300A FR 7506300 A FR7506300 A FR 7506300A FR 2262857 A1 FR2262857 A1 FR 2262857A1
- Authority
- FR
- France
- Prior art keywords
- shell
- core piece
- printed circuit
- core
- block
- 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.)
- Granted
Links
- 239000011888 foil Substances 0.000 abstract 2
- 238000004804 winding Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 1
- 125000006850 spacer group Chemical group 0.000 abstract 1
- 229910000859 α-Fe Inorganic materials 0.000 abstract 1
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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
- H01F27/363—Electric or magnetic shields or screens made of electrically conductive material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/043—Fixed inductances of the signal type with magnetic core with two, usually identical or nearly identical parts enclosing completely the coil (pot cores)
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F19/00—Fixed transformers or mutual inductances of the signal type
- H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
- H01F19/06—Broad-band transformers, e.g. suitable for handling frequencies well down into the audio range
-
- 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
- H01F27/02—Casings
-
- 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
- H01F27/255—Magnetic cores made from particles
-
- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/327—Encapsulating or impregnating
-
- 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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
-
- 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
- H01F30/00—Fixed transformers not covered by group H01F19/00
- H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
- H01F30/10—Single-phase transformers
-
- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2804—Printed windings
- H01F2027/2809—Printed windings on stacked layers
-
- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2804—Printed windings
- H01F2027/2819—Planar transformers with printed windings, e.g. surrounded by two cores and to be mounted on printed circuit
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Multimedia (AREA)
- Coils Or Transformers For Communication (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2409881A DE2409881C3 (de) | 1974-03-01 | 1974-03-01 | Schalenkernübertrager |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2262857A1 true FR2262857A1 (en) | 1975-09-26 |
FR2262857B1 FR2262857B1 (US06724976-20040420-M00002.png) | 1979-07-27 |
Family
ID=5908857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7506300A Granted FR2262857A1 (en) | 1974-03-01 | 1975-02-28 | Shell core transformer with central core piece - has specified core piece configuration corresponding to shell slots |
Country Status (6)
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2454679A1 (fr) * | 1979-04-20 | 1980-11-14 | Landis & Gyr Ag | Transformateur de mesure permettant la mesure sans potentiel de courant ou de tensions |
EP0026104A1 (en) * | 1979-09-25 | 1981-04-01 | TDK Corporation | Ferrite core half and devices using such core halves |
EP0352969A2 (en) * | 1988-07-29 | 1990-01-31 | International Business Machines Corporation | Plank and frame transformer |
EP0436274A2 (en) * | 1989-12-22 | 1991-07-10 | Magnex Corporation | Thin film magnetic core memory and method of making same |
EP0608127A1 (en) * | 1993-01-22 | 1994-07-27 | AT&T Corp. | Insulation system for magnetic windings having stacked planar conductors |
EP0656636A1 (de) * | 1993-12-01 | 1995-06-07 | Robert Bosch Gmbh | Übertrager mit Schirmung sowie Verwendung |
EP0782154A1 (en) * | 1995-06-13 | 1997-07-02 | Nihon Shingo Kabushiki Kaisha | Flat transformer |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4517540A (en) * | 1977-05-13 | 1985-05-14 | Mcdougal John A | Spiral windings |
US4547961A (en) * | 1980-11-14 | 1985-10-22 | Analog Devices, Incorporated | Method of manufacture of miniaturized transformer |
JPH058658Y2 (US06724976-20040420-M00002.png) * | 1984-12-03 | 1993-03-04 | ||
DE3534006A1 (de) * | 1985-09-24 | 1987-03-26 | Siemens Ag | Pulstransformator |
FR2605453A1 (fr) * | 1986-10-15 | 1988-04-22 | Dassault Electronique | Transformateur haute frequence avec enroulement en circuit imprime, en particulier pour alimentation a tres haute tension |
US5184103A (en) * | 1987-05-15 | 1993-02-02 | Bull, S.A. | High coupling transformer adapted to a chopping supply circuit |
DE3721759A1 (de) * | 1987-07-01 | 1989-01-12 | Ceag Licht & Strom | Auf einer leiterplatte angebrachter transformator |
JPH0256407U (US06724976-20040420-M00002.png) * | 1988-10-18 | 1990-04-24 | ||
GB2252208B (en) * | 1991-01-24 | 1995-05-03 | Burr Brown Corp | Hybrid integrated circuit planar transformer |
WO1997001177A1 (de) * | 1995-06-22 | 1997-01-09 | Vogt Electronic Ag | Transformator für ein schaltnetzteil zum erzeugen einer selv-spannung |
JPH09213530A (ja) * | 1996-01-30 | 1997-08-15 | Alps Electric Co Ltd | 平面トランス |
FI962803A0 (fi) * | 1996-07-10 | 1996-07-10 | Nokia Telecommunications Oy | Planartransformator |
US6252487B1 (en) * | 1997-11-04 | 2001-06-26 | Philips Electronics North America Corporation | Planar magnetic component with transverse winding pattern |
TW402725B (en) * | 1998-01-06 | 2000-08-21 | Alps Electric Co Ltd | Core for use in inductive element, transformer and inductor |
DE19912634B4 (de) * | 1999-03-20 | 2008-11-27 | Knick Elektronische Messgeräte GmbH & Co. KG | Spannungswandler in Planartechnik |
US6198374B1 (en) | 1999-04-01 | 2001-03-06 | Midcom, Inc. | Multi-layer transformer apparatus and method |
WO2008132645A1 (en) | 2007-04-26 | 2008-11-06 | Philips Intellectual Property & Standards Gmbh | Planar transformer with boards |
DE102010015411A1 (de) * | 2010-04-19 | 2011-10-20 | SUMIDA Components & Modules GmbH | Induktives Bauelement mit magnetischem Kern mit zumindest teilweise der Kontur einer Wicklung angepasster Form |
TWM411643U (en) * | 2011-01-17 | 2011-09-11 | Yujing Technology Co Ltd | Ultra-high power transformer |
JP6395166B1 (ja) * | 2017-07-10 | 2018-09-26 | 三菱電機株式会社 | 電力変換装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS458507Y1 (US06724976-20040420-M00002.png) * | 1967-04-21 | 1970-04-22 |
-
1974
- 1974-03-01 DE DE2409881A patent/DE2409881C3/de not_active Expired
-
1975
- 1975-02-27 SE SE7502222A patent/SE401418B/xx unknown
- 1975-02-28 NL NL7502451A patent/NL7502451A/xx not_active Application Discontinuation
- 1975-02-28 JP JP50024927A patent/JPS6031090B2/ja not_active Expired
- 1975-02-28 IT IT7520774A patent/IT1033297B/it active
- 1975-02-28 FR FR7506300A patent/FR2262857A1/fr active Granted
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2454679A1 (fr) * | 1979-04-20 | 1980-11-14 | Landis & Gyr Ag | Transformateur de mesure permettant la mesure sans potentiel de courant ou de tensions |
EP0026104A1 (en) * | 1979-09-25 | 1981-04-01 | TDK Corporation | Ferrite core half and devices using such core halves |
EP0352969A2 (en) * | 1988-07-29 | 1990-01-31 | International Business Machines Corporation | Plank and frame transformer |
EP0352969A3 (en) * | 1988-07-29 | 1990-11-07 | International Business Machines Corporation | Plank and frame transformer |
EP0436274A2 (en) * | 1989-12-22 | 1991-07-10 | Magnex Corporation | Thin film magnetic core memory and method of making same |
EP0436274B1 (en) * | 1989-12-22 | 1997-07-23 | Magnex Corporation | Thin film magnetic core memory and method of making same |
EP0608127A1 (en) * | 1993-01-22 | 1994-07-27 | AT&T Corp. | Insulation system for magnetic windings having stacked planar conductors |
EP0656636A1 (de) * | 1993-12-01 | 1995-06-07 | Robert Bosch Gmbh | Übertrager mit Schirmung sowie Verwendung |
EP0782154A1 (en) * | 1995-06-13 | 1997-07-02 | Nihon Shingo Kabushiki Kaisha | Flat transformer |
EP0782154A4 (en) * | 1995-06-13 | 1999-08-11 | Nihon Shingo Kabushiki Kaisha | FLAT TRANSFORMER |
Also Published As
Publication number | Publication date |
---|---|
DE2409881A1 (de) | 1975-09-04 |
IT1033297B (it) | 1979-07-10 |
JPS6031090B2 (ja) | 1985-07-20 |
DE2409881B2 (de) | 1978-04-27 |
SE7502222L (US06724976-20040420-M00002.png) | 1975-09-02 |
SE401418B (sv) | 1978-05-02 |
DE2409881C3 (de) | 1978-12-21 |
JPS50121738A (US06724976-20040420-M00002.png) | 1975-09-23 |
FR2262857B1 (US06724976-20040420-M00002.png) | 1979-07-27 |
NL7502451A (nl) | 1975-09-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |