IN171080B - - Google Patents

Info

Publication number
IN171080B
IN171080B IN730/CAL/88A IN730CA1988A IN171080B IN 171080 B IN171080 B IN 171080B IN 730CA1988 A IN730CA1988 A IN 730CA1988A IN 171080 B IN171080 B IN 171080B
Authority
IN
India
Application number
IN730/CAL/88A
Other languages
English (en)
Inventor
Frank Henry Grimes
Eugenius Sheppard Hammack
Original Assignee
Westinghouse Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of IN171080B publication Critical patent/IN171080B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • 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
    • H01F27/2455—Magnetic cores made from sheets, e.g. grain-oriented using bent laminations

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
  • Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
  • Control Of Transmission Device (AREA)
IN730/CAL/88A 1987-10-09 1988-08-31 IN171080B (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/107,225 US4761630A (en) 1987-10-09 1987-10-09 Butt-lap-step core joint

Publications (1)

Publication Number Publication Date
IN171080B true IN171080B (fr) 1992-07-18

Family

ID=22315526

Family Applications (1)

Application Number Title Priority Date Filing Date
IN730/CAL/88A IN171080B (fr) 1987-10-09 1988-08-31

Country Status (13)

Country Link
US (1) US4761630A (fr)
EP (1) EP0310813A1 (fr)
JP (1) JPH01134908A (fr)
KR (1) KR890007319A (fr)
CN (1) CN1018105B (fr)
AU (1) AU609520B2 (fr)
BR (1) BR8805195A (fr)
FI (1) FI884635A (fr)
IN (1) IN171080B (fr)
NO (1) NO884323L (fr)
NZ (1) NZ226381A (fr)
PH (1) PH24600A (fr)
ZA (1) ZA886626B (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4972168A (en) * 1989-01-03 1990-11-20 Abb Power T & D Company, Inc. Transformers and cores for transformers
JPH0642438B2 (ja) * 1989-03-02 1994-06-01 株式会社ダイヘン 巻鉄心の製造方法
US4903396A (en) * 1989-03-14 1990-02-27 Westinghouse Electric Corp. Method of containing an amorphous core joint
JPH02266504A (ja) * 1989-04-06 1990-10-31 Daihen Corp 静止誘導電気機器及びその製造方法
US4993141A (en) * 1989-07-19 1991-02-19 Abb Power T&D Co., Inc. Method of making transformers and cores for transformers
JPH05506127A (ja) * 1990-02-27 1993-09-02 エレクトリック・パワー・リサーチ・インスティチュート 変形１プレートコア構造及びアモルファス金属積層コア変圧器のヨーク取り付け方法
US5329270A (en) * 1992-06-26 1994-07-12 General Electric Company Transformer core comprising groups of amorphous steel strips wrapped about the core window
JPH1099268A (ja) * 1996-09-30 1998-04-21 Fuji Photo Optical Co Ltd 電子内視鏡の光学系装置
US6683524B1 (en) * 1998-09-02 2004-01-27 Hoeglund Lennart Transformer core
US6100783A (en) * 1999-02-16 2000-08-08 Square D Company Energy efficient hybrid core
US6456184B1 (en) * 2000-12-29 2002-09-24 Abb Inc. Reduced-cost core for an electrical-power transformer
JP2011077217A (ja) * 2009-09-30 2011-04-14 Fujitsu General Ltd チョークコイル
CN102262189A (zh) * 2010-12-30 2011-11-30 保定天威集团有限公司 双铁心法分离铁心激磁伏安的方法
JP2015504250A (ja) * 2012-01-17 2015-02-05 ガンドン ハイホン トランスフォーマー カンパニー リミテッド 開口式立体三角形アモルファス合金巻鉄心
WO2015031936A1 (fr) * 2013-09-03 2015-03-12 Aem Cores Pty Ltd Noyau de transformateur enroulé
JP6506000B2 (ja) * 2014-07-11 2019-04-24 東芝産業機器システム株式会社 巻鉄心および巻鉄心の製造方法
CN105990005A (zh) * 2015-02-15 2016-10-05 上海置信电气非晶有限公司 一种三相变压器的硅钢断轭立体折铁心
JP7092643B2 (ja) * 2018-11-01 2022-06-28 東芝産業機器システム株式会社 静止誘導機器用積層鉄心

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3025483A (en) * 1953-11-16 1962-03-13 Gen Electric Magnetic core
US2931993A (en) * 1956-04-18 1960-04-05 Mc Graw Edison Co Magnetic core
US3107415A (en) * 1957-12-11 1963-10-22 Westinghouse Electric Corp Method of making a magnetic core
US3189860A (en) * 1963-09-05 1965-06-15 Core Mfg Company Laminated transformer core having butt joints staggered along a straight line
US3895336A (en) * 1974-06-24 1975-07-15 Gen Electric Transformer core with composite offset V-miter and step joint
US4705578A (en) * 1986-04-16 1987-11-10 Westinghouse Electric Corp. Method of constructing a magnetic core
US4709471A (en) * 1986-08-15 1987-12-01 Westinghouse Electric Corp. Method of making a magnetic core
US4723349A (en) * 1986-08-15 1988-02-09 Westinghouse Electric Corp. Method of making fixture for the window of a magnetic core

Also Published As

Publication number Publication date
CN1018105B (zh) 1992-09-02
CN1032468A (zh) 1989-04-19
NO884323L (no) 1989-04-10
BR8805195A (pt) 1989-05-23
FI884635A0 (fi) 1988-10-07
FI884635A (fi) 1989-04-10
AU609520B2 (en) 1991-05-02
AU2245488A (en) 1989-04-13
KR890007319A (ko) 1989-06-19
ZA886626B (en) 1989-04-26
NZ226381A (en) 1991-02-26
NO884323D0 (no) 1988-09-29
US4761630A (en) 1988-08-02
EP0310813A1 (fr) 1989-04-12
JPH01134908A (ja) 1989-05-26
PH24600A (en) 1990-08-17

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