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Expired
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Fredrik Adolf Kjellin
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Individual
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Individual
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Publication of GB190514214ApublicationCriticalpatent/GB190514214A/en
14,214. Kjellin, F. A. June 11, 1904, [date applied for under Patents Act, 1901]. Electric furnaces.-An induction furnace, in which a coil e is mounted on a central iron core inside an annular heating - chamber b, has the coil surrounded by one or more cooling-jackets f. The jackets have sheet-metal walls and are interrupted at one or more points by insulating portions g. These portions may be air - spaces running the whole length of the jackets. Inlets and outlets h, h<1> for air, water, or other cooling- medium are provided in the jackets at either side of the insulating gap. The jacket or jackets may be arranged as a support for the wall of the furnace.
GB190514214D1904-07-111905-07-10Improvements in Electric Furnaces.
ExpiredGB190514214A
(en)