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
GB31143/31A
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
Allmanna Svenska Elektriska 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.)
Filing date
Publication date
Application filed by ASEA AB, Allmanna Svenska Elektriska ABfiledCriticalASEA AB
Publication of GB383058ApublicationCriticalpatent/GB383058A/en
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)
General Induction Heating
(AREA)
Furnace Details
(AREA)
Abstract
383,058. Electric induction furnaces. ALLM€NNA SVENSKA ELEKTRISKA AKTIEBOLAGET, Võsteras, Sweden. Nov. 10, 1931, No. 31143. Convention date, Aug. 29. [Class 39 (iii).] In.a furnace without a closed ferro-magnetic circuit the winding 2 is surrounded by a ferro-magnetic shell 3 and annular ferromagnetic plates 4 are inserted between the turns of the winding to conduct the flux between the shell and the surface of the charge.
GB31143/31A1931-08-291931-11-10Arrangement in electric induction furnaces without a closed ferro-magnetic circuit
ExpiredGB383058A
(en)