FR2451092A1 - IMPROVED INDUCTIVE DEVICE - Google Patents
IMPROVED INDUCTIVE DEVICEInfo
- Publication number
- FR2451092A1 FR2451092A1 FR8005001A FR8005001A FR2451092A1 FR 2451092 A1 FR2451092 A1 FR 2451092A1 FR 8005001 A FR8005001 A FR 8005001A FR 8005001 A FR8005001 A FR 8005001A FR 2451092 A1 FR2451092 A1 FR 2451092A1
- Authority
- FR
- France
- Prior art keywords
- core
- inductive device
- improved inductive
- magnetically permeable
- encapsulating
- 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.)
- Pending
Links
- 230000001939 inductive effect Effects 0.000 title abstract 2
- 239000000126 substance Substances 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
- H01F27/02—Casings
- H01F27/022—Encapsulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/08—Cores, Yokes, or armatures made from powder
-
- 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
- H01F41/005—Impregnating or encapsulating
-
- 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
- H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder
-
- 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
- H01F2017/048—Fixed inductances of the signal type with magnetic core with encapsulating core, e.g. made of resin and magnetic powder
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
DISPOSITIF PRESENTANT PEU D'INTERFERENCE ELECTROMAGNETIQUE. IL COMPREND UN NOYAU 13 MAGNETIQUEMENT PERMEABLE; AU MOINS UN JEU D'ENROULEMENTS INDUCTIFS 11, 12 DISPOSES AUTOUR DU NOYAU; ET UNE SUBSTANCE MAGNETIQUEMENT PERMEABLE, MOULEE 10 ENCAPSULANT CE NOYAU ET TOUT ENROULEMENT PRESENT SUR CE NOYAU. APPLICATION AUX CIRCUITS ELECTRIQUES.DEVICE PRESENTING LITTLE ELECTROMAGNETIC INTERFERENCE. IT INCLUDES A MAGNETICALLY PERMEABLE CORE 13; AT LEAST ONE SET OF INDUCTIVE WINDINGS 11, 12 ARRANGED AROUND THE CORE; AND A MAGNETICALLY PERMEABLE SUBSTANCE, MOLDED 10 ENCAPSULATING THIS CORE AND ANY COIL PRESENT ON THIS CORE. APPLICATION TO ELECTRICAL CIRCUITS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1893379A | 1979-03-09 | 1979-03-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2451092A1 true FR2451092A1 (en) | 1980-10-03 |
Family
ID=21790493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8005001A Pending FR2451092A1 (en) | 1979-03-09 | 1980-03-06 | IMPROVED INDUCTIVE DEVICE |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS55140217A (en) |
DE (1) | DE3008447A1 (en) |
FR (1) | FR2451092A1 (en) |
GB (1) | GB2044550A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2499305A1 (en) * | 1981-02-04 | 1982-08-06 | Radiotechnique Compelec | Fritted magnets mfr. process with zoned magnetic properties - uses low pressure moulding of first zone transfer to second mould and over moulding with second zone paste utilising single feed moulds |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2251733B (en) * | 1990-11-16 | 1994-11-30 | Mitsubishi Electric Corp | Multi-element bead inductor |
DE4206813A1 (en) * | 1992-03-04 | 1993-09-09 | Siemens Matsushita Components | Inductive component arrangement - is sheathed in cast or moulded magnetic powder mixt which is finished at level of one surface of coil former so as to enclose coil completely on all sides |
CA2180992C (en) * | 1995-07-18 | 1999-05-18 | Timothy M. Shafer | High current, low profile inductor and method for making same |
US7921546B2 (en) | 1995-07-18 | 2011-04-12 | Vishay Dale Electronics, Inc. | Method for making a high current low profile inductor |
GB2345803B (en) * | 1997-08-19 | 2001-06-20 | Taiyo Yuden Kk | Wire wound electronic component |
US6198373B1 (en) * | 1997-08-19 | 2001-03-06 | Taiyo Yuden Co., Ltd. | Wire wound electronic component |
JP3752848B2 (en) * | 1998-05-12 | 2006-03-08 | 株式会社村田製作所 | Inductor |
GB2361110A (en) * | 2000-04-03 | 2001-10-10 | Abb Ab | An induction device |
GB2379558A (en) * | 2001-09-11 | 2003-03-12 | Baker R | Electromagnetic component and its method of manufacture |
EP1502930A1 (en) * | 2003-07-26 | 2005-02-02 | ABC Taiwan Electronics Corp. | Epoxy resin of electromagnetic interference suppression and manufacturing method thereof and an inductor applied in the electromagnetic interference suppression |
US7120479B2 (en) | 2004-02-25 | 2006-10-10 | Nellcor Puritan Bennett Inc. | Switch-mode oximeter LED drive with a single inductor |
US8378777B2 (en) | 2008-07-29 | 2013-02-19 | Cooper Technologies Company | Magnetic electrical device |
US8941457B2 (en) | 2006-09-12 | 2015-01-27 | Cooper Technologies Company | Miniature power inductor and methods of manufacture |
US8466764B2 (en) | 2006-09-12 | 2013-06-18 | Cooper Technologies Company | Low profile layered coil and cores for magnetic components |
DE102007007117A1 (en) * | 2007-02-13 | 2008-08-21 | Vogt Electronic Components Gmbh | Inductive component for large power spectrum and different installation space measurements, has two inductors arranged mechanically fixed to each other in pre-determined condition and are surrounded by magnetic filling |
JP2009033051A (en) * | 2007-07-30 | 2009-02-12 | Sumitomo Electric Ind Ltd | Core for reactor |
US8659379B2 (en) | 2008-07-11 | 2014-02-25 | Cooper Technologies Company | Magnetic components and methods of manufacturing the same |
US8279037B2 (en) | 2008-07-11 | 2012-10-02 | Cooper Technologies Company | Magnetic components and methods of manufacturing the same |
US9859043B2 (en) | 2008-07-11 | 2018-01-02 | Cooper Technologies Company | Magnetic components and methods of manufacturing the same |
JP5325799B2 (en) * | 2009-01-22 | 2013-10-23 | 日本碍子株式会社 | Small inductor and method for manufacturing the same |
JP5195891B2 (en) * | 2010-12-21 | 2013-05-15 | 住友電気工業株式会社 | Reactor core, reactor, and reactor manufacturing method |
JP5305118B2 (en) * | 2013-01-28 | 2013-10-02 | 住友電気工業株式会社 | Reactor and boost converter |
JP6673711B2 (en) * | 2016-02-12 | 2020-03-25 | 株式会社トーキン | Coil parts |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB806164A (en) * | 1954-04-15 | 1958-12-17 | Sylvania Electric Prod | Improvements in or relating to electromagnetic coils |
US2966704A (en) * | 1957-01-22 | 1961-01-03 | Edward D O'brian | Process of making a ferrite magnetic device |
US3255512A (en) * | 1962-08-17 | 1966-06-14 | Trident Engineering Associates | Molding a ferromagnetic casing upon an electrical component |
US3530417A (en) * | 1969-05-26 | 1970-09-22 | Rte Corp | Capsulated electrical apparatus |
GB1272888A (en) * | 1969-07-14 | 1972-05-03 | Jose Maria Bregante Castella | Improved electromagnetic apparatus |
US3663913A (en) * | 1967-12-22 | 1972-05-16 | Tohoku Metal Ind Ltd | Core coil having a improved temperature characteristic |
DE2118053A1 (en) * | 1971-04-14 | 1972-10-26 | Brown, Boveri & Cie AG, 6800 Mann heim | Earth core for choke made from a mixture of ferromagnetic powder and insulating material binder |
FR2206568A1 (en) * | 1972-11-14 | 1974-06-07 | Courier De Mere Henri |
-
1980
- 1980-02-13 GB GB8004807A patent/GB2044550A/en not_active Withdrawn
- 1980-03-05 DE DE19803008447 patent/DE3008447A1/en not_active Withdrawn
- 1980-03-06 FR FR8005001A patent/FR2451092A1/en active Pending
- 1980-03-06 JP JP2743280A patent/JPS55140217A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB806164A (en) * | 1954-04-15 | 1958-12-17 | Sylvania Electric Prod | Improvements in or relating to electromagnetic coils |
US2966704A (en) * | 1957-01-22 | 1961-01-03 | Edward D O'brian | Process of making a ferrite magnetic device |
US3255512A (en) * | 1962-08-17 | 1966-06-14 | Trident Engineering Associates | Molding a ferromagnetic casing upon an electrical component |
US3663913A (en) * | 1967-12-22 | 1972-05-16 | Tohoku Metal Ind Ltd | Core coil having a improved temperature characteristic |
US3530417A (en) * | 1969-05-26 | 1970-09-22 | Rte Corp | Capsulated electrical apparatus |
GB1272888A (en) * | 1969-07-14 | 1972-05-03 | Jose Maria Bregante Castella | Improved electromagnetic apparatus |
DE2118053A1 (en) * | 1971-04-14 | 1972-10-26 | Brown, Boveri & Cie AG, 6800 Mann heim | Earth core for choke made from a mixture of ferromagnetic powder and insulating material binder |
FR2206568A1 (en) * | 1972-11-14 | 1974-06-07 | Courier De Mere Henri |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2499305A1 (en) * | 1981-02-04 | 1982-08-06 | Radiotechnique Compelec | Fritted magnets mfr. process with zoned magnetic properties - uses low pressure moulding of first zone transfer to second mould and over moulding with second zone paste utilising single feed moulds |
Also Published As
Publication number | Publication date |
---|---|
DE3008447A1 (en) | 1980-09-18 |
GB2044550A (en) | 1980-10-15 |
JPS55140217A (en) | 1980-11-01 |
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