EP0447389A3 - Transformer - Google Patents

Transformer Download PDF

Info

Publication number: EP0447389A3
Authority: EP; European Patent Office
Prior art keywords: transformer
Prior art date: 1990-03-14
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

EP19910890044

Other languages

German (de)

Other versions

EP0447389A2 (en

EP0447389B1 (en

Inventor

Manfred Ing Schoefbaenker

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.)

ELEKTRO-BAU AG

ELEKTRO BAU AG

Original Assignee

ELEKTRO-BAU AG

ELEKTRO BAU AG

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.)

1990-03-14

Filing date

1991-03-05

Publication date

1992-08-05

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3494961&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0447389(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1991-03-05 Application filed by ELEKTRO-BAU AG, ELEKTRO BAU AG filed Critical ELEKTRO-BAU AG

1991-09-18 Publication of EP0447389A2 publication Critical patent/EP0447389A2/en

1992-08-05 Publication of EP0447389A3 publication Critical patent/EP0447389A3/en

1995-06-21 Application granted granted Critical

1995-06-21 Publication of EP0447389B1 publication Critical patent/EP0447389B1/en

2011-03-05 Anticipated expiration legal-status Critical

Status Revoked legal-status Critical Current

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
- H01F27/02—Casings

EP91890044A 1990-03-14 1991-03-05 Transformer Revoked EP0447389B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
AT0060390A AT397317B (en)	1990-03-14	1990-03-14	TRANSFORMER
AT603/90		1990-03-14

Publications (3)

Publication Number	Publication Date
EP0447389A2 EP0447389A2 (en)	1991-09-18
EP0447389A3 true EP0447389A3 (en)	1992-08-05
EP0447389B1 EP0447389B1 (en)	1995-06-21

Family

ID=3494961

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP91890044A Revoked EP0447389B1 (en)	1990-03-14	1991-03-05	Transformer

Country Status (9)

Country	Link
EP (1)	EP0447389B1 (en)
AT (1)	AT397317B (en)
DE (1)	DE59105755D1 (en)
DK (1)	DK0447389T3 (en)
ES (1)	ES2073729T3 (en)
FI (1)	FI911195A (en)
IE (1)	IE67358B1 (en)
NO (1)	NO911002L (en)
TR (1)	TR26537A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN102160132A (en) *	2008-09-19	2011-08-17	Abb技术有限公司	A transformer assembly
CN102160133B (en)	2008-09-19	2013-01-23	Abb技术有限公司	Transformer assembly
CN102171778B (en)	2008-10-06	2013-07-03	Abb技术有限公司	A transformer assembly
EP2565445B1 (en)	2011-09-02	2014-02-26	Siemens Aktiengesellschaft	Transformer chamber for a wind turbine, wind turbine structure component, wind turbine, and method for assembling a wind turbine
CN106024312A (en) *	2016-08-08	2016-10-12	常熟市东方特种金属材料厂	High-temperature-resistant transformer oil box outer shell
DE102018217755A1 (en) *	2018-10-17	2020-04-23	Siemens Aktiengesellschaft	Mast dry type transformer

Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE594495C (en) *	1929-07-30	1934-03-17	Koch & Sterzel Akt Ges	High-voltage transformer, the high-voltage winding of which is housed in a one-piece coil box made of insulating material.
GB714524A (en) *	1952-02-07	1954-09-01	Vickers Electrical Co Ltd	Improvements relating to electric transformers and the like
FR60462E (en) *	1950-07-22	1954-11-03		Immersion of electrical transformers
NL7204831A (en) *	1971-04-15	1972-10-17	Transformatoren Union Ag
DE2159314A1 (en) *	1971-11-30	1973-06-07	Lahmeyer Ag	TRANSFORMER BOILER FOR USE IN AN UNDERGROUND TRANSFORMER STATION
GB2068647A (en) *	1980-01-30	1981-08-12	Tokyo Shibaura Electric Co	Tanks for oil-cooled electrical induction apparatus
DE3406115A1 (en) *	1984-02-21	1985-09-05	Wickmann-Werke Böblingen GmbH, 7030 Böblingen	Housing of a transformer open-air station
US4904972A (en) *	1989-06-28	1990-02-27	Hitachi, Ltd.	Gas-insulated stationary induction electrical apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US609900A (en) *		1898-08-30		William neil
GB353405A (en) *	1929-02-28	1931-07-15	Atlantic Coast Fisheries Co	Improvements in meat steaks such as fish and method of producing same
CH627874A5 (en) *	1977-03-24	1982-01-29	Gen Electric	Traction-motor transformer having a liquid-tight housing
JPS56135911A (en) *	1980-03-27	1981-10-23	Toshiba Corp	Oil-immersed electric apparatus

1990
- 1990-03-14 AT AT0060390A patent/AT397317B/en not_active IP Right Cessation
1991
- 1991-03-05 ES ES91890044T patent/ES2073729T3/en not_active Expired - Lifetime
- 1991-03-05 DK DK91890044.0T patent/DK0447389T3/en not_active Application Discontinuation
- 1991-03-05 DE DE59105755T patent/DE59105755D1/en not_active Revoked
- 1991-03-05 EP EP91890044A patent/EP0447389B1/en not_active Revoked
- 1991-03-11 FI FI911195A patent/FI911195A/en not_active Application Discontinuation
- 1991-03-13 NO NO91911002A patent/NO911002L/en unknown
- 1991-03-13 IE IE84691A patent/IE67358B1/en unknown
- 1991-03-14 TR TR91/0234A patent/TR26537A/en unknown

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE594495C (en) *	1929-07-30	1934-03-17	Koch & Sterzel Akt Ges	High-voltage transformer, the high-voltage winding of which is housed in a one-piece coil box made of insulating material.
FR60462E (en) *	1950-07-22	1954-11-03		Immersion of electrical transformers
GB714524A (en) *	1952-02-07	1954-09-01	Vickers Electrical Co Ltd	Improvements relating to electric transformers and the like
NL7204831A (en) *	1971-04-15	1972-10-17	Transformatoren Union Ag
DE2159314A1 (en) *	1971-11-30	1973-06-07	Lahmeyer Ag	TRANSFORMER BOILER FOR USE IN AN UNDERGROUND TRANSFORMER STATION
GB2068647A (en) *	1980-01-30	1981-08-12	Tokyo Shibaura Electric Co	Tanks for oil-cooled electrical induction apparatus
DE3406115A1 (en) *	1984-02-21	1985-09-05	Wickmann-Werke Böblingen GmbH, 7030 Böblingen	Housing of a transformer open-air station
US4904972A (en) *	1989-06-28	1990-02-27	Hitachi, Ltd.	Gas-insulated stationary induction electrical apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 6, no. 12 (E-91)(890) 23. Januar 1982 & JP-A-56 135 911 ( TOKYO SHIBAURA DENKI ) *

Also Published As

Publication number	Publication date
EP0447389A2 (en)	1991-09-18
ATA60390A (en)	1993-07-15
DK0447389T3 (en)	1995-10-09
EP0447389B1 (en)	1995-06-21
FI911195A0 (en)	1991-03-11
TR26537A (en)	1995-03-15
FI911195A (en)	1991-09-15
NO911002L (en)	1991-09-16
AT397317B (en)	1994-03-25
IE67358B1 (en)	1996-03-20
ES2073729T3 (en)	1995-08-16
IE910846A1 (en)	1991-09-25
DE59105755D1 (en)	1995-07-27
NO911002D0 (en)	1991-03-13

Legal Events

Date	Code	Title	Description
1991-08-02	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1991-09-18	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): BE CH DE DK ES FR GB GR IT LI LU NL SE
1992-06-12	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1992-08-05	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): BE CH DE DK ES FR GB GR IT LI LU NL SE
1993-03-24	17P	Request for examination filed	Effective date: 19930120
1994-03-02	17Q	First examination report despatched	Effective date: 19940114
1995-05-04	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1995-06-21	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): BE CH DE DK ES FR GB GR IT LI LU NL SE
1995-07-27	REF	Corresponds to:	Ref document number: 59105755 Country of ref document: DE Date of ref document: 19950727
1995-07-28	ET	Fr: translation filed
1995-08-16	REG	Reference to a national code	Ref country code: ES Ref legal event code: FG2A Ref document number: 2073729 Country of ref document: ES Kind code of ref document: T3
1995-08-30	ITF	It: translation for a ep patent filed	Owner name: STUDIO TORTA SOCIETA' SEMPLICE
1995-08-31	REG	Reference to a national code	Ref country code: GR Ref legal event code: FG4A Free format text: 3016552
1995-09-20	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)	Effective date: 19950821
1995-10-09	REG	Reference to a national code	Ref country code: DK Ref legal event code: T3
1996-03-04	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19960304 Year of fee payment: 6
1996-03-05	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DK Effective date: 19960305
1996-03-05	REG	Reference to a national code	Ref country code: DK Ref legal event code: EBP
1996-03-06	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: SE Effective date: 19960306 Ref country code: ES Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19960306
1996-03-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19960331 Ref country code: BE Effective date: 19960331
1996-04-12	PLBI	Opposition filed	Free format text: ORIGINAL CODE: 0009260
1996-05-01	PLBF	Reply of patent proprietor to notice(s) of opposition	Free format text: ORIGINAL CODE: EPIDOS OBSO
1996-05-29	26	Opposition filed	Opponent name: SIEMENS AG Effective date: 19960320
1996-08-01	NLR1	Nl: opposition has been filed with the epo	Opponent name: SIEMENS AG
1996-09-17	PLBF	Reply of patent proprietor to notice(s) of opposition	Free format text: ORIGINAL CODE: EPIDOS OBSO
1996-09-30	BERE	Be: lapsed	Owner name: ELEKTRO-BAU A.G. Effective date: 19960331
1996-09-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19960930
1996-10-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: NL Effective date: 19961001
1996-10-31	REG	Reference to a national code	Ref country code: GR Ref legal event code: MM2A Free format text: 3016552
1996-11-29	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Effective date: 19961129
1996-12-02	NLV4	Nl: lapsed or anulled due to non-payment of the annual fee	Effective date: 19961001
1996-12-09	EUG	Se: european patent has lapsed	Ref document number: 91890044.0
1997-01-31	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST
1997-03-05	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Effective date: 19970305
1997-04-03	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: CH Payment date: 19970403 Year of fee payment: 7
1997-04-08	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19970408 Year of fee payment: 7
1997-07-30	RDAH	Patent revoked	Free format text: ORIGINAL CODE: EPIDOS REVO
1997-10-29	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19970305
1997-11-21	RDAG	Patent revoked	Free format text: ORIGINAL CODE: 0009271
1997-11-21	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: PATENT REVOKED
1997-12-31	REG	Reference to a national code	Ref country code: CH Ref legal event code: PL
1998-01-07	27W	Patent revoked	Effective date: 19970811

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