GB2017923B - Means for monitoring the operation of induction crucible furnaces - Google Patents

Means for monitoring the operation of induction crucible furnaces

Info

Publication number: GB2017923B
Authority: GB; United Kingdom
Prior art keywords: monitoring; induction crucible; crucible furnaces; furnaces; induction
Prior art date: 1978-02-20
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.): Expired

Application number

GB7905696A

Other versions

GB2017923A (en

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 Norden Holding AB

Original Assignee

ASEA AB

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.)

1978-02-20

Filing date

1979-02-19

Publication date

1983-02-02

1979-02-19 Application filed by ASEA AB filed Critical ASEA AB

1979-10-10 Publication of GB2017923A publication Critical patent/GB2017923A/en

1983-02-02 Application granted granted Critical

1983-02-02 Publication of GB2017923B publication Critical patent/GB2017923B/en

Status Expired 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
- H05B6/06—Control, e.g. of temperature, of power
- H05B6/067—Control, e.g. of temperature, of power for melting furnaces

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Crucibles And Fluidized-Bed Furnaces (AREA)
General Induction Heating (AREA)
Furnace Details (AREA)
Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Manufacture And Refinement Of Metals (AREA)

GB7905696A 1978-02-20 1979-02-19 Means for monitoring the operation of induction crucible furnaces Expired GB2017923B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE7801904A SE415127B (en)	1978-02-20	1978-02-20	WANT TO CHECK AND REGULATE THE OPERATION OF AN INDUCTION DEVICE MOTOD WITH ALTERNATING CURRENT AT FREQUENCY

Publications (2)

Publication Number	Publication Date
GB2017923A GB2017923A (en)	1979-10-10
GB2017923B true GB2017923B (en)	1983-02-02

Family

ID=20334035

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB7905696A Expired GB2017923B (en)	1978-02-20	1979-02-19	Means for monitoring the operation of induction crucible furnaces

Country Status (6)

Country	Link
JP (1)	JPS54126611A (en)
DE (1)	DE2904516C2 (en)
FR (1)	FR2417736A1 (en)
GB (1)	GB2017923B (en)
IT (1)	IT1118379B (en)
SE (1)	SE415127B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE430291B (en) *	1982-02-23	1983-10-31	Asea Ab	SET FOR TEMPERATURE REGULATION OF INDUCTORS
JPH04122848A (en) *	1990-09-14	1992-04-23	Shinko Electric Co Ltd	Detecting apparatus of time point of complete melting of metal in induction melting furnace
DE4322463A1 (en) *	1993-07-06	1995-01-12	Leybold Durferrit Gmbh	Early-warning device for induction melting furnaces

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB650892A (en) *	1948-02-20	1951-03-07	Birlec Ltd	Improvements in or relating to means for controlling the power-factor of induction heaters and similar appliances
GB671140A (en) *	1949-03-19	1952-04-30	Dow Corning Ltd	Organo-silicon co-polymers and their manufacture
DE1057260B (en) *	1955-05-27	1959-05-14	Bbc Brown Boveri & Cie	Method and device for monitoring induction crucible furnaces with regard to changes in crucible wall thickness
DE1183613B (en) *	1958-05-16	1964-12-17	British Iron Steel Research	Program control for electric arc furnaces
GB919850A (en) *	1958-06-23	1963-02-27	Sangamo Weston	Improvements in or relating to power factor transducers
DE1132654B (en) *	1959-04-08	1962-07-05	Bbc Brown Boveri & Cie	Measuring arrangement for measuring the induced power in induction ovens or other inductive heating devices
DE2042742A1 (en) *	1970-08-28	1972-04-20	Norddeutsche Affinerie	Induction crucible oven - wall condition supervision by electric resistance circuit and wheatstone bridge

1978
- 1978-02-20 SE SE7801904A patent/SE415127B/en unknown
1979
- 1979-01-19 IT IT67357/79A patent/IT1118379B/en active
- 1979-02-07 DE DE2904516A patent/DE2904516C2/en not_active Expired
- 1979-02-16 JP JP1715179A patent/JPS54126611A/en active Pending
- 1979-02-16 FR FR7904026A patent/FR2417736A1/en active Granted
- 1979-02-19 GB GB7905696A patent/GB2017923B/en not_active Expired

Also Published As

Publication number	Publication date
DE2904516A1 (en)	1979-08-23
FR2417736A1 (en)	1979-09-14
JPS54126611A (en)	1979-10-02
DE2904516C2 (en)	1983-12-08
IT1118379B (en)	1986-02-24
FR2417736B1 (en)	1984-03-30
GB2017923A (en)	1979-10-10
IT7967357A0 (en)	1979-02-19
SE7801904L (en)	1979-08-21
SE415127B (en)	1980-09-08

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Legal Events

Date	Code	Title	Description
1986-10-08	PCNP	Patent ceased through non-payment of renewal fee