Industrial electric heating furnaces – Induction furnace device – Core-type
Patent
1981-01-30
1982-06-08
Envall, Jr., Roy N.
Industrial electric heating furnaces
Induction furnace device
Core-type
H05B 514
Patent
active
043341195
ABSTRACT:
A channel furnace has a magnetic core, for use with a coil in generating a three-dimensional magnetic field, comprising a center core, formed by disk-shaped sheets stacked in cylindrical form, and an outside core surrounding the center core and formed by generally radial sheets having an involute shape. This form of construction of a magnetic core provides for the efficient generation of both axially and radially oriented magnetic fields.
REFERENCES:
patent: 1394901 (1921-10-01), Hobart
patent: 1471263 (1923-10-01), Hobart
patent: 4021602 (1977-05-01), Delassus
Baltensperger Heinz
Buhler Karl
Schott Werner
BBC Brown Boveri & Company Ltd.
Envall Jr. Roy N.
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