DE3828985C1 - - Google Patents
Info
- Publication number
- DE3828985C1 DE3828985C1 DE19883828985 DE3828985A DE3828985C1 DE 3828985 C1 DE3828985 C1 DE 3828985C1 DE 19883828985 DE19883828985 DE 19883828985 DE 3828985 A DE3828985 A DE 3828985A DE 3828985 C1 DE3828985 C1 DE 3828985C1
- Authority
- DE
- Germany
- Prior art keywords
- air gap
- gaps
- ferrite core
- air
- 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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/346—Preventing or reducing leakage fields
-
- 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
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F3/14—Constrictions; Gaps, e.g. air-gaps
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Coils Or Transformers For Communication (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Regulation Of General Use Transformers (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19883828985 DE3828985C1 (ko) | 1988-08-26 | 1988-08-26 | |
EP89110974A EP0355298A3 (de) | 1988-08-26 | 1989-06-16 | Luftspalt bei einem Transformator für ein Schaltnetzteil |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19883828985 DE3828985C1 (ko) | 1988-08-26 | 1988-08-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3828985C1 true DE3828985C1 (ko) | 1989-09-14 |
Family
ID=6361651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19883828985 Expired DE3828985C1 (ko) | 1988-08-26 | 1988-08-26 |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0355298A3 (ko) |
DE (1) | DE3828985C1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103680842A (zh) * | 2013-12-03 | 2014-03-26 | 柳州市五环水暖器材经营部 | 一种可消涡流的软磁合金铁芯变压器 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104021919A (zh) * | 2014-05-09 | 2014-09-03 | 无锡晶磊电子有限公司 | 用于滤波电感器的块状组合磁芯 |
DE102017223322A1 (de) * | 2017-12-20 | 2019-06-27 | Robert Bosch Gmbh | Transformatorkern und Transformator |
US11139109B2 (en) * | 2018-09-07 | 2021-10-05 | Abb Power Grids Switzerland Ag | Leakage reactance plate for power transformer |
EP4379757A1 (en) * | 2022-11-30 | 2024-06-05 | Delta Electronics (Thailand) Public Co., Ltd. | Magnetic component |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3426305A (en) * | 1966-06-13 | 1969-02-04 | British Lighting Ind Ltd | Choke having a winding of foil |
DE3505976A1 (de) * | 1985-02-21 | 1986-08-21 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Transformator fuer einen fersehempfaenger |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7811481A (nl) * | 1978-11-22 | 1980-05-27 | Philips Nv | Transformator met luchtspleet. |
-
1988
- 1988-08-26 DE DE19883828985 patent/DE3828985C1/de not_active Expired
-
1989
- 1989-06-16 EP EP89110974A patent/EP0355298A3/de not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3426305A (en) * | 1966-06-13 | 1969-02-04 | British Lighting Ind Ltd | Choke having a winding of foil |
DE3505976A1 (de) * | 1985-02-21 | 1986-08-21 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Transformator fuer einen fersehempfaenger |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103680842A (zh) * | 2013-12-03 | 2014-03-26 | 柳州市五环水暖器材经营部 | 一种可消涡流的软磁合金铁芯变压器 |
CN103680842B (zh) * | 2013-12-03 | 2017-02-08 | 佛山市顺德区万信电子电器有限公司 | 一种可消涡流的软磁合金铁芯变压器 |
Also Published As
Publication number | Publication date |
---|---|
EP0355298A2 (de) | 1990-02-28 |
EP0355298A3 (de) | 1990-08-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8100 | Publication of patent without earlier publication of application | ||
D1 | Grant (no unexamined application published) patent law 81 | ||
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: GRUNDIG E.M.V. ELEKTRO-MECHANISCHE VERSUCHSANSTALT |
|
8320 | Willingness to grant licences declared (paragraph 23) | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: GRUNDIG AG, 90762 FUERTH, DE |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: GRUNDIG AG, 90471 NUERNBERG, DE |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: GRUNDIG MULTIMEDIA B.V., AMSTERDAM, NL |
|
8328 | Change in the person/name/address of the agent |
Representative=s name: PROELL, J., RECHTSANW., 90471 NUERNBERG |
|
8339 | Ceased/non-payment of the annual fee |