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
GB30634/34A
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens 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.)
Filing date
Publication date
Application filed by Siemens and Halske AG, Siemens AGfiledCriticalSiemens and Halske AG
Publication of GB434909ApublicationCriticalpatent/GB434909A/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
H05B6/16—Furnaces having endless cores
Landscapes
Physics & Mathematics
(AREA)
Electromagnetism
(AREA)
Manufacturing Of Steel Electrode Plates
(AREA)
Abstract
434,909. Induction furnaces. SIEMENS & HALSKE AKT.-GES., Siemensstadt, Berlin. Oct. 25, 1934, No. 30634. Convention date, Nov. 1, 1933. [Class 39 (iii)] In a polyphase furnace with an open core 2, the hearth 1 is angular in cross - section with plane walls and a pole 3 of the core is arranged at the geometrical centre of each of the walls. A three-phase furnace is of pyramid form with bevelled pole faces. A two- or four-phase furnace is rectangular in cross-section and of cubic or pyramid form. Flat cooling boxes are arranged between the laminations of the poles.
GB30634/34A1933-11-011934-10-25Induction furnace with an open iron yoke
ExpiredGB434909A
(en)