EP0587142A3 - Transformateur tournant - Google Patents

Transformateur tournant Download PDF

Info

Publication number
EP0587142A3
EP0587142A3 EP19930114422 EP93114422A EP0587142A3 EP 0587142 A3 EP0587142 A3 EP 0587142A3 EP 19930114422 EP19930114422 EP 19930114422 EP 93114422 A EP93114422 A EP 93114422A EP 0587142 A3 EP0587142 A3 EP 0587142A3
Authority
EP
European Patent Office
Prior art keywords
magnetic core
core portion
inner magnetic
rotary transformer
windings
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.)
Granted
Application number
EP19930114422
Other languages
German (de)
English (en)
Other versions
EP0587142A2 (fr
EP0587142B1 (fr
Inventor
Toshinobu Takeuchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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
Priority claimed from JP4240528A external-priority patent/JPH0689816A/ja
Priority claimed from JP4250988A external-priority patent/JPH06104122A/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of EP0587142A2 publication Critical patent/EP0587142A2/fr
Publication of EP0587142A3 publication Critical patent/EP0587142A3/fr
Application granted granted Critical
Publication of EP0587142B1 publication Critical patent/EP0587142B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/18—Rotary transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Coils Or Transformers For Communication (AREA)
EP19930114422 1992-09-09 1993-09-08 Transformateur tournant Expired - Lifetime EP0587142B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP240528/92 1992-09-09
JP4240528A JPH0689816A (ja) 1992-09-09 1992-09-09 ロータリートランス
JP250988/92 1992-09-21
JP4250988A JPH06104122A (ja) 1992-09-21 1992-09-21 ロータリートランス

Publications (3)

Publication Number Publication Date
EP0587142A2 EP0587142A2 (fr) 1994-03-16
EP0587142A3 true EP0587142A3 (fr) 1994-03-30
EP0587142B1 EP0587142B1 (fr) 1996-11-06

Family

ID=26534765

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19930114422 Expired - Lifetime EP0587142B1 (fr) 1992-09-09 1993-09-08 Transformateur tournant

Country Status (3)

Country Link
EP (1) EP0587142B1 (fr)
CN (1) CN1089057A (fr)
DE (1) DE69305819T2 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19527156C1 (de) * 1995-07-25 1996-08-01 Siemens Ag Schleifringloser Drehmelder
CA2291104C (fr) * 1998-03-27 2010-11-30 The Furukawa Electric Co., Ltd. Noyau de transformateur d'isolement
DE102006020808B4 (de) * 2005-05-03 2010-10-07 Schleifring Und Apparatebau Gmbh Induktiver Drehübertrager mit Polymermaterial und Verfahren zur Herstellung eines solchen
US7724119B2 (en) 2005-05-03 2010-05-25 Schleifring Und Apparatebau Gmbh Inductive rotary joint comprising polymer material
EP2700938B1 (fr) * 2011-04-15 2018-09-12 Nippon Steel & Sumitomo Metal Corporation Transformateur rotatif et dispositif rotatif de détection des défauts à ultrasons utilisant ce transformateur
CN102592813B (zh) * 2012-03-19 2013-11-27 海南金盘电气有限公司 一种旋转变压设备
FR2990556B1 (fr) * 2012-05-09 2014-05-30 Hispano Suiza Sa Transformateur tournant triphase a flux lies libre
EP2711947B1 (fr) * 2012-09-24 2019-01-23 Rolls-Royce plc Dispositif de transfert de puissance

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5916314A (ja) * 1982-07-15 1984-01-27 Nippon Ferrite Ltd 回転トランス
JPS62109304A (ja) * 1985-11-08 1987-05-20 Canon Electronics Inc ロ−タリ−トランス
JPS62188303A (ja) * 1986-02-14 1987-08-17 Shigeo Fukuda ビデオテ−プレコダ−に於けるロ−タリ−トランスの磁心コアの製法
JPS6431404A (en) * 1987-07-28 1989-02-01 Matsushita Electric Ind Co Ltd Rotary transformer and manufacture thereof
US4939400A (en) * 1988-02-19 1990-07-03 Kabushiki Kaisha Nihon System Kenkyusho Transmission apparatus having split-coil type coaxial coupler
JPH03289113A (ja) * 1990-04-05 1991-12-19 Matsushita Electric Ind Co Ltd ロータリートランスの製造方法
JPH04186711A (ja) * 1990-11-20 1992-07-03 Matsushita Electric Ind Co Ltd 回転トランス

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5916314A (ja) * 1982-07-15 1984-01-27 Nippon Ferrite Ltd 回転トランス
JPS62109304A (ja) * 1985-11-08 1987-05-20 Canon Electronics Inc ロ−タリ−トランス
JPS62188303A (ja) * 1986-02-14 1987-08-17 Shigeo Fukuda ビデオテ−プレコダ−に於けるロ−タリ−トランスの磁心コアの製法
JPS6431404A (en) * 1987-07-28 1989-02-01 Matsushita Electric Ind Co Ltd Rotary transformer and manufacture thereof
US4939400A (en) * 1988-02-19 1990-07-03 Kabushiki Kaisha Nihon System Kenkyusho Transmission apparatus having split-coil type coaxial coupler
JPH03289113A (ja) * 1990-04-05 1991-12-19 Matsushita Electric Ind Co Ltd ロータリートランスの製造方法
JPH04186711A (ja) * 1990-11-20 1992-07-03 Matsushita Electric Ind Co Ltd 回転トランス

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 11, no. 314 (E - 549)<2761> 13 October 1987 (1987-10-13) *
PATENT ABSTRACTS OF JAPAN vol. 12, no. 35 (E - 579)<2882> 2 February 1988 (1988-02-02) *
PATENT ABSTRACTS OF JAPAN vol. 13, no. 220 (E - 762)<3568> 23 May 1989 (1989-05-23) *
PATENT ABSTRACTS OF JAPAN vol. 16, no. 120 (E - 1182) 26 March 1992 (1992-03-26) *
PATENT ABSTRACTS OF JAPAN vol. 16, no. 505 (E - 1281) 19 October 1992 (1992-10-19) *
PATENT ABSTRACTS OF JAPAN vol. 8, no. 99 (E - 243)<1536> 10 May 1984 (1984-05-10) *

Also Published As

Publication number Publication date
EP0587142A2 (fr) 1994-03-16
EP0587142B1 (fr) 1996-11-06
CN1089057A (zh) 1994-07-06
DE69305819T2 (de) 1997-05-15
DE69305819D1 (de) 1996-12-12

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