FR2446004B1 - - Google Patents
Info
- Publication number
- FR2446004B1 FR2446004B1 FR8000162A FR8000162A FR2446004B1 FR 2446004 B1 FR2446004 B1 FR 2446004B1 FR 8000162 A FR8000162 A FR 8000162A FR 8000162 A FR8000162 A FR 8000162A FR 2446004 B1 FR2446004 B1 FR 2446004B1
- Authority
- FR
- France
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/9265—Special properties
- Y10S428/928—Magnetic property
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49073—Electromagnet, transformer or inductor by assembling coil and core
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/000,933 US4200854A (en) | 1979-01-04 | 1979-01-04 | Core with step-lap joints |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2446004A1 FR2446004A1 (fr) | 1980-08-01 |
FR2446004B1 true FR2446004B1 (US07915450-20110329-C00059.png) | 1982-12-31 |
Family
ID=21693623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8000162A Granted FR2446004A1 (fr) | 1979-01-04 | 1980-01-04 | Appareil electrique inductif |
Country Status (4)
Country | Link |
---|---|
US (1) | US4200854A (US07915450-20110329-C00059.png) |
JP (1) | JPS6030089B2 (US07915450-20110329-C00059.png) |
CA (1) | CA1124344A (US07915450-20110329-C00059.png) |
FR (1) | FR2446004A1 (US07915450-20110329-C00059.png) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0244544Y2 (US07915450-20110329-C00059.png) * | 1984-10-23 | 1990-11-27 | ||
US5628861A (en) * | 1995-01-25 | 1997-05-13 | Abb Power T&D Company Inc. | Method for adhesively bonded laminate for use in an electrical apparatus such as a transformer, generator, or motor |
US5777537A (en) * | 1996-05-08 | 1998-07-07 | Espey Mfg. & Electronics Corp. | Quiet magnetic structures such as power transformers and reactors |
US5959523A (en) * | 1996-10-15 | 1999-09-28 | Abb Power T&D Company Inc. | Magnetic core structure |
US6218927B1 (en) | 1999-02-17 | 2001-04-17 | Abb Power T&D Company Inc. | Stacked magnetic transformer core with center leg curvilinear S-joints |
US6448686B1 (en) | 2000-12-08 | 2002-09-10 | General Electric Company | Packaged stator core and method forming the same |
US6597081B2 (en) | 2000-12-08 | 2003-07-22 | General Electric Company | Stator having reduced forces at generator stator key bar and method for forming the same |
US7256677B2 (en) * | 2005-03-30 | 2007-08-14 | Abb Technology Ag | Transformer having a stacked core with a cruciform leg and a method of making the same |
US7199696B2 (en) * | 2005-03-30 | 2007-04-03 | Abb Technology Ag | Transformer having a stacked core with a split leg and a method of making the same |
US8212645B2 (en) * | 2008-04-10 | 2012-07-03 | Siemens Aktiengesellschaft | Method for producing a transformer core and a transformer core |
CN101409143B (zh) * | 2008-08-05 | 2011-04-13 | 无锡市普天铁心有限公司 | 变压器铁心的中心定位叠装方法 |
CN203277040U (zh) * | 2010-04-22 | 2013-11-06 | Abb技术有限公司 | 具有层叠型铁芯的配电变压器 |
KR101302830B1 (ko) * | 2011-12-29 | 2013-09-02 | 주식회사 효성 | 변압기의 철심 |
JP5983306B2 (ja) * | 2012-10-24 | 2016-08-31 | Jfeスチール株式会社 | 鉄損に優れた変圧器鉄心の製造方法 |
CN104810144B (zh) * | 2015-05-20 | 2017-01-25 | 江苏汇安隆电器有限公司 | 一种铁芯叠装工艺 |
US10763030B2 (en) * | 2015-08-29 | 2020-09-01 | Abb Power Grids Switzerland Ag | Transformer and transformer core |
JP2018078207A (ja) * | 2016-11-10 | 2018-05-17 | 株式会社日立産機システム | 積鉄心、その製造方法およびそれを用いた変圧器 |
EP3330980B1 (en) | 2016-12-02 | 2019-07-31 | ABB Schweiz AG | Semi-hybrid transformer core |
JP6960325B2 (ja) * | 2017-12-19 | 2021-11-05 | 株式会社ダイヘン | 静止誘導機器、積層鉄心、及び鉄心構造 |
EP3769324B1 (en) * | 2018-04-23 | 2023-08-30 | Siemens Energy Global GmbH & Co. KG | Transformer cores and assembly methods thereof for high efficiency and high anti-corrosion performance |
EP3769325B8 (en) | 2018-04-23 | 2023-04-26 | Siemens Energy Global GmbH & Co. KG | Molded tap changer assemblies and methods for dry-type transformers |
JP7214395B2 (ja) * | 2018-08-21 | 2023-01-30 | 株式会社ダイヘン | 積層鉄心製造方法 |
WO2020142796A1 (en) * | 2019-01-04 | 2020-07-09 | Jacobus Johannes Van Der Merwe | Method of cooling a shell-type transformer or inductor |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3153215A (en) * | 1958-10-15 | 1964-10-13 | Westinghouse Electric Corp | Magnetic core structure |
US3210709A (en) * | 1963-01-16 | 1965-10-05 | Westinghouse Electric Corp | Magnetic core structure for electrical inductive apparatus and method of constructing same |
FR1492317A (fr) * | 1966-07-09 | 1967-08-18 | U N E L E C | Transformateur |
US3477053A (en) * | 1967-11-24 | 1969-11-04 | Westinghouse Electric Corp | Magnetic core structures |
US3540120A (en) * | 1968-11-12 | 1970-11-17 | Westinghouse Electric Corp | Method of constructing magnetic core structures |
US3504318A (en) * | 1969-05-07 | 1970-03-31 | Westinghouse Electric Corp | Three-phase transformer with four legged magnetic core |
US3559136A (en) * | 1969-06-20 | 1971-01-26 | Westinghouse Electric Corp | Magnetic core structure |
US3611234A (en) * | 1969-12-23 | 1971-10-05 | Westinghouse Electric Corp | Magnetic core structures |
US3918153A (en) * | 1971-03-22 | 1975-11-11 | Westinghouse Electric Corp | Method of constructing a magnetic core |
US3670279A (en) * | 1971-05-14 | 1972-06-13 | Westinghouse Electric Corp | Magnetic cores and methods of constructing same |
US3743991A (en) * | 1971-08-18 | 1973-07-03 | Westinghouse Electric Corp | Magnetic core structures |
US3895336A (en) * | 1974-06-24 | 1975-07-15 | Gen Electric | Transformer core with composite offset V-miter and step joint |
-
1979
- 1979-01-04 US US06/000,933 patent/US4200854A/en not_active Expired - Lifetime
- 1979-12-13 CA CA341,884A patent/CA1124344A/en not_active Expired
- 1979-12-28 JP JP54170569A patent/JPS6030089B2/ja not_active Expired
-
1980
- 1980-01-04 FR FR8000162A patent/FR2446004A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5593208A (en) | 1980-07-15 |
CA1124344A (en) | 1982-05-25 |
FR2446004A1 (fr) | 1980-08-01 |
JPS6030089B2 (ja) | 1985-07-15 |
US4200854A (en) | 1980-04-29 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |