Inductively heatable godet

Details Inductively heatable godet Inductively heatable godet

1979-12-21

1981-12-08

Mayewsky, Volodymyr Y.

Electric heating

Metal heating

Of cylinders

219 1061A, 219469, 336197, H05B 508

Patent

active

043049753

ABSTRACT:
An improved means for mounting the induction coil of an inductively heated, rotatable godet about the magnetic core thereof so as to prevent internal overheating and preferably also to avoid any movement or play between the core and the coil as caused by heat expansion and vibration during operation of the godet. The improvement comprises cooling means for cooling the laminated pack acting as the magnetic core and for thermally isolating the pack from the coil and outer godet shell or casing, said cooling means including at least one hose-like tube wound around the laminated pack with means to conduct a fluid coolant therethrough. An elastic intermediate member is preferably introduced at some point between the coil and magnetic core in order to compensate for any unequal thermal expansion of these elements in the axial and/or radial directions.

REFERENCES:
patent: 3417219 (1968-12-01), Bailey
patent: 3448233 (1969-06-01), Landis
patent: 3487187 (1969-06-01), Martens et al.
patent: 3701873 (1972-10-01), Bauer et al.
patent: 3810058 (1974-05-01), White et al.
patent: 3936784 (1976-02-01), Elfgen et al.
patent: 4180717 (1979-12-01), Lenk et al.

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