EP0563802A3 - Magnetic yoke for a crucible induction furnace - Google Patents

Magnetic yoke for a crucible induction furnace Download PDF

Info

Publication number: EP0563802A3
Authority: EP; European Patent Office
Prior art keywords: magnetic yoke; induction furnace; crucible induction; crucible; furnace
Prior art date: 1992-03-30
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

EP19930104986

Other languages

German (de)

Other versions

EP0563802A2 (en

EP0563802B1 (en

Inventor

Horst Gillhaus

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.)

ABB Patent GmbH

Original Assignee

ABB Patent GmbH

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.)

1992-03-30

Filing date

1993-03-25

Publication date

1993-11-18

1993-03-25 Application filed by ABB Patent GmbH filed Critical ABB Patent GmbH

1993-10-06 Publication of EP0563802A2 publication Critical patent/EP0563802A2/en

1993-11-18 Publication of EP0563802A3 publication Critical patent/EP0563802A3/en

1995-09-27 Application granted granted Critical

1995-09-27 Publication of EP0563802B1 publication Critical patent/EP0563802B1/en

2013-03-25 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/22—Furnaces without an endless core
- H05B6/24—Crucible furnaces

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Crucibles And Fluidized-Bed Furnaces (AREA)
Furnace Details (AREA)
General Induction Heating (AREA)
Cookers (AREA)

EP93104986A 1992-03-30 1993-03-25 Magnetic yoke for a crucible induction furnace Expired - Lifetime EP0563802B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE4210374		1992-03-30
DE4210374A DE4210374A1 (en)	1992-03-30	1992-03-30	Magnetic inference for an induction crucible furnace

Publications (3)

Publication Number	Publication Date
EP0563802A2 EP0563802A2 (en)	1993-10-06
EP0563802A3 true EP0563802A3 (en)	1993-11-18
EP0563802B1 EP0563802B1 (en)	1995-09-27

Family

ID=6455417

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP93104986A Expired - Lifetime EP0563802B1 (en)	1992-03-30	1993-03-25	Magnetic yoke for a crucible induction furnace

Country Status (4)

Country	Link
US (1)	US5430758A (en)
EP (1)	EP0563802B1 (en)
DE (2)	DE4210374A1 (en)
ES (1)	ES2079913T3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE9409470U1 (en) *	1994-06-14	1994-08-11	Abb Patent Gmbh, 68309 Mannheim	Magnetic yoke with supporting body and insulating body
US5987054A (en) *	1997-02-10	1999-11-16	Inductotherm Corp.	Induction coil and coreless induction furnace employing same
DE10314039A1 (en) *	2003-03-28	2004-10-07	Airbus Deutschland Gmbh	Frame component for an aircraft
FI125386B (en) *	2010-08-03	2015-09-30	Trafotek Oy	Method of manufacturing a distributor of a liquid cooled nuclear structured electrical power component and distributor of a liquid cooled nuclear structured electrical power component
DE102015015337B4 (en)	2015-09-01	2018-06-21	Abp Induction Systems Gmbh	Induction crucible furnace and magnetic conclusion for this
DE102017102924B3 (en)	2017-02-14	2018-03-08	Otto Junker Gmbh	Induction crucible furnace for melting metallic feed and method for keeping clean the base area of an induction crucible furnace

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1827274A (en) *	1927-09-08	1931-10-13	Ajax Electrothermic Corp	Electric induction furnace
DE968717C (en) *	1941-10-08	1958-03-20	Deutsche Edelstahlwerke Ag	Device for inductive heating of workpieces
DE1089493B (en) *	1959-09-22	1960-09-22	Aeg	Induction crucible furnace
DE977483C (en) *	1952-05-30	1966-09-15	Otto Junker Fa	Coreless induction melting furnace for low-frequency alternating currents
US3704336A (en) *	1971-04-01	1972-11-28	Ajax Magnethermic Corp	Support means for induction coil
DE2909251A1 (en) *	1979-02-16	1980-08-28	Bbc Brown Boveri & Cie	Magnet yoke for induction furnaces, esp. crucible furnaces - where yoke laminations are bonded to each other and to outer insulation via heat resistant synthetic resin

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB376660A (en) *	1932-01-02	1932-07-14	Asea Ab	Improvements relating to laminated sheet iron shells for electric induction furnacesnot having a closed iron circuit
SE379618B (en) *	1973-02-19	1975-10-13	Asea Ab
DD102802A1 (en) *	1973-04-19	1973-12-20
DD297229A5 (en) *	1990-08-14	1992-01-02	Lokomotivbau-Elektrotechnische Werke,Hennigsdorf Gmbh,De	METHOD AND DEVICE FOR DISMANTLING SEAMED OVEN LIGHTS
DE4115278A1 (en) *	1991-05-10	1992-11-12	Abb Patent Gmbh	MAGNETIC CONCLUSION FOR AN INDUCTION POT

1992
- 1992-03-30 DE DE4210374A patent/DE4210374A1/en not_active Withdrawn
1993
- 1993-03-25 DE DE59300652T patent/DE59300652D1/en not_active Expired - Lifetime
- 1993-03-25 ES ES93104986T patent/ES2079913T3/en not_active Expired - Lifetime
- 1993-03-25 EP EP93104986A patent/EP0563802B1/en not_active Expired - Lifetime
- 1993-03-30 US US08/040,127 patent/US5430758A/en not_active Expired - Lifetime

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1827274A (en) *	1927-09-08	1931-10-13	Ajax Electrothermic Corp	Electric induction furnace
DE968717C (en) *	1941-10-08	1958-03-20	Deutsche Edelstahlwerke Ag	Device for inductive heating of workpieces
DE977483C (en) *	1952-05-30	1966-09-15	Otto Junker Fa	Coreless induction melting furnace for low-frequency alternating currents
DE1089493B (en) *	1959-09-22	1960-09-22	Aeg	Induction crucible furnace
US3704336A (en) *	1971-04-01	1972-11-28	Ajax Magnethermic Corp	Support means for induction coil
DE2909251A1 (en) *	1979-02-16	1980-08-28	Bbc Brown Boveri & Cie	Magnet yoke for induction furnaces, esp. crucible furnaces - where yoke laminations are bonded to each other and to outer insulation via heat resistant synthetic resin

Also Published As

Publication number	Publication date
DE4210374A1 (en)	1993-10-07
EP0563802A2 (en)	1993-10-06
ES2079913T3 (en)	1996-01-16
EP0563802B1 (en)	1995-09-27
US5430758A (en)	1995-07-04
DE59300652D1 (en)	1995-11-02

Publication	Publication Date	Title
EP0548041A3 (en)	1993-12-29	Electric furnace arrangement for producing steel
GB2270371B (en)	1996-06-19	Sealed induction furnace for melting and casting materials
HU9302771D0 (en)	1994-01-28	Arrangement for controlling permanent magnet
GB2260762B (en)	1995-03-22	Magnetic clutch
EP0479206A3 (en)	1993-04-07	Magnetic flux locking apparatus
GB2272110B (en)	1997-01-29	Coil
ZA844568B (en)	1985-02-27	Magnetic field stabilized transferred arc furnace
GB9005431D0 (en)	1990-05-09	Metallurgical flux compositions
SG95571A1 (en)	2003-04-23	Magnetic field compensator for a crt
EP0563802A3 (en)	1993-11-18	Magnetic yoke for a crucible induction furnace
GB2247305B (en)	1995-01-18	Crucible induction furnace
GB2269224B (en)	1996-03-13	Induction furnace
AU1119095A (en)	1995-06-13	Magnetic induction digital control device
GB2272109B (en)	1997-01-22	Coil
EP0512465A3 (en)	1993-09-22	Induction crucible furnace
GB9216752D0 (en)	1992-09-23	Magnetic coupler
EP0474236A3 (en)	1992-12-09	Magnetic flux locking apparatus
GB2276226B (en)	1995-01-18	Crucible induction furnace
GB8913105D0 (en)	1989-07-26	Iron core for electromagnetic apparatus
CS146491A3 (en)	1992-12-16	Batch for induction crucible furnace
TW331969U (en)	1998-05-11	Magnetic hook
GB2259754B (en)	1995-01-18	Fast melting induction furnace with pressing cover
PL54796Y1 (en)	1997-01-31	Induction coil
ZA943733B (en)	1995-02-02	Modular induction furnace
CS30391A3 (en)	1992-08-12	Induction coil for induction heating

Legal Events

Date	Code	Title	Description
1993-08-20	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
1993-09-24	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
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1994-04-13	17P	Request for examination filed	Effective date: 19940217
1995-05-03	17Q	First examination report despatched	Effective date: 19950317
1995-08-11	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
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1995-10-13	ET	Fr: translation filed
1995-10-20	ITF	It: translation for a ep patent filed
1995-11-01	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)	Effective date: 19951002
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