IT1119577B - Tasformatore elettrico - Google Patents

Tasformatore elettrico

Info

Publication number
IT1119577B
IT1119577B IT69310/79A IT6931079A IT1119577B IT 1119577 B IT1119577 B IT 1119577B IT 69310/79 A IT69310/79 A IT 69310/79A IT 6931079 A IT6931079 A IT 6931079A IT 1119577 B IT1119577 B IT 1119577B
Authority
IT
Italy
Prior art keywords
tasformer
electric
electric tasformer
Prior art date
Application number
IT69310/79A
Other languages
English (en)
Other versions
IT7969310A0 (it
Inventor
Mochida Hideyuki
Tsurumi Etsuo
Tamura Shingo
Mitsugi Noboru
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of IT7969310A0 publication Critical patent/IT7969310A0/it
Application granted granted Critical
Publication of IT1119577B publication Critical patent/IT1119577B/it

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • Y10T29/49075—Electromagnet, transformer or inductor including permanent magnet or core

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Coils Or Transformers For Communication (AREA)
IT69310/79A 1978-11-29 1979-11-29 Tasformatore elettrico IT1119577B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14649778A JPS5574111A (en) 1978-11-29 1978-11-29 Transformer

Publications (2)

Publication Number Publication Date
IT7969310A0 IT7969310A0 (it) 1979-11-29
IT1119577B true IT1119577B (it) 1986-03-10

Family

ID=15408951

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69310/79A IT1119577B (it) 1978-11-29 1979-11-29 Tasformatore elettrico

Country Status (5)

Country Link
US (1) US4305056A (it)
JP (1) JPS5574111A (it)
DE (1) DE2948134C2 (it)
GB (1) GB2039156B (it)
IT (1) IT1119577B (it)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4352079A (en) * 1981-07-24 1982-09-28 Honeywell Inc. High voltage ignition transformer
DE3222027A1 (de) * 1982-06-11 1983-12-15 Siemens AG, 1000 Berlin und 8000 München Elektrischer uebertrager
JPS60172319U (ja) * 1984-04-21 1985-11-15 株式会社村田製作所 フライバツクトランス
NL8500463A (nl) * 1985-02-19 1986-09-16 Philips Nv Transformator met luchtspleet.
US4591819A (en) * 1985-03-28 1986-05-27 Rca Corporation Inductance adjustment for transformers
EP0303994B1 (en) * 1987-08-21 1993-05-05 Nippon Telegraph And Telephone Corporation Push-pull current-fed dc-dc converter
FR2621167B1 (fr) * 1987-09-25 1994-05-20 Orega Electronique Mecanique Procede de reglage automatique de self-inductance d'elements bobines comportant un circuit magnetique a entrefer ajustable
US4862375A (en) * 1987-10-05 1989-08-29 Pitney Bowes Inc. Magnetic power coupler for a vault cartridge
FR2622732B1 (fr) * 1987-11-03 1990-08-03 Orega Electro Mecanique Transformateur a circuit magnetique en ferrite resistant aux chocs thermiques
JPH0543455Y2 (it) * 1989-05-11 1993-11-02
US5107390A (en) * 1990-11-30 1992-04-21 Arrow Fastener Company, Inc. Shell-form transformer in a battery powered impact device
US5789907A (en) * 1991-03-29 1998-08-04 Top Gulf Coast Corporation Variable impedence transformer
US5745367A (en) * 1995-05-29 1998-04-28 Samsung Electro-Mechanics Co., Ltd. Fly back transformer, and its inductance adjusting method and device
DE19528185A1 (de) * 1995-08-01 1997-02-06 Thomson Brandt Gmbh Transformator
DE19545304A1 (de) * 1995-12-05 1997-06-12 Bosch Gmbh Robert Transformator mit aufgeteilter Primärwicklung in einer Sperrwandler-Versorgungsschaltung
DE19839637A1 (de) * 1998-08-31 2000-03-02 Cmc Carl Meier & Cie Ag Schaff Verfahren zur Herstellung eines Jochs eines Magnetauslösers und Vorrichtung zur Durchführung dieses Verfahrens
JP3691303B2 (ja) * 1999-09-06 2005-09-07 セイコーインスツル株式会社 コイルブロック保護構造を有する電子時計
US6433663B1 (en) * 1999-12-22 2002-08-13 Thomson Licensing Sa High voltage transformer arrangement
DE10024824A1 (de) * 2000-05-19 2001-11-29 Vacuumschmelze Gmbh Induktives Bauelement und Verfahren zu seiner Herstellung
FI113416B (fi) * 2000-10-27 2004-04-15 Trafomic Oy Sydänrakenne
JP2005286188A (ja) * 2004-03-30 2005-10-13 Tamura Seisakusho Co Ltd トランス
DE102004025076B4 (de) 2004-05-21 2006-04-20 Minebea Co., Ltd. Spulenanordnung und Verfahren zu deren Herstellung
DE102006028389A1 (de) * 2006-06-19 2007-12-27 Vacuumschmelze Gmbh & Co. Kg Magnetkern und Verfahren zu seiner Herstellung
JP4845025B2 (ja) * 2006-09-05 2011-12-28 Ｆｄｋ株式会社 磁気デバイス用コアの接着方法およびその接着装置
DE102007034925A1 (de) * 2007-07-24 2009-01-29 Vacuumschmelze Gmbh & Co. Kg Verfahren zur Herstellung von Magnetkernen, Magnetkern und induktives Bauelement mit einem Magnetkern
DE102008019318B4 (de) 2008-04-16 2022-10-06 Sew-Eurodrive Gmbh & Co Kg Anpasstransformator und System
DE102011116861A1 (de) * 2011-10-25 2013-04-25 Epcos Ag Elektronisches Bauelement zur Führung eines Magnetfeldes
KR101240854B1 (ko) * 2011-11-11 2013-03-11 삼성전기주식회사 트랜스포머
CN102436907B (zh) * 2011-12-22 2014-01-01 广州金升阳科技有限公司 一种变压器用磁心
US9554444B2 (en) * 2012-12-17 2017-01-24 OV20 Systems Device and method for retrofitting or converting or adapting series circuits
US9711276B2 (en) 2014-10-03 2017-07-18 Instrument Manufacturing Company Resonant transformer
JP6530566B2 (ja) * 2016-09-13 2019-06-12 株式会社日立製作所 変圧器および電力変換器
RU176195U1 (ru) * 2017-04-10 2018-01-12 Общество с ограниченной ответственностью "Многофункциональные Преобразователи и Системы" (ООО "МПС") Электромагнитный аппарат
CN107146677A (zh) * 2017-07-07 2017-09-08 埃斯凯电气（天津）有限公司 高频高压变压器
KR102527707B1 (ko) * 2017-12-27 2023-05-02 삼성전기주식회사 코일 부품
CN110323050B (zh) * 2018-03-28 2022-04-05 台达电子工业股份有限公司 高压线圈、高压线圈制作方法与变压器
CN113178314B (zh) * 2021-05-13 2023-05-16 长兴超能科技有限公司 一种自动控制电感量的电感器及其控制方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2055175A (en) * 1934-05-10 1936-09-22 Western Electric Co Apparatus for electrical uses
US2494180A (en) * 1946-04-06 1950-01-10 Acme Electric Corp Laminated reactor
US2674721A (en) * 1951-05-15 1954-04-06 Joyce J Jackson Variable gap width control for television horizontal sweep transformers
FR1051627A (fr) * 1952-02-12 1954-01-18 Perfectionnements apportés aux bobines de self induction à noyau magnétique
DE1807079U (de) * 1956-07-23 1960-03-03 Siemens Ag Elektrische drossel.
DE1972106U (de) * 1967-03-23 1967-11-09 Telefunken Patent Haltevorrichtung fuer transformator.
CH482275A (de) * 1967-10-23 1969-11-30 Leuenberger H Verfahren zur Herstellung einer Drossel oder eines Transformators
US3609615A (en) * 1970-05-21 1971-09-28 Fair Rite Products Adjustable ferrite cores
AT331373B (de) * 1973-01-18 1976-08-25 Knobel Elektro App Verfahren zur feinabstimmung einer drossel
GB1510635A (en) * 1974-06-24 1978-05-10 Unilever Ltd Packaging
JPS5251398Y2 (it) * 1974-10-09 1977-11-22

Also Published As

Publication number Publication date
IT7969310A0 (it) 1979-11-29
GB2039156A (en) 1980-07-30
JPS5574111A (en) 1980-06-04
GB2039156B (en) 1983-03-02
US4305056A (en) 1981-12-08
DE2948134C2 (de) 1983-08-11
DE2948134A1 (de) 1980-07-03

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19941130