Electric heating – Metal heating – Of cylinders
Patent
1982-03-16
1984-01-31
Envall, Jr., Roy N.
Electric heating
Metal heating
Of cylinders
219 1043, 219 1049R, 219 1075, 336 62, 336223, 310198, 310200, H05B 518
Patent
active
044292066
ABSTRACT:
A minimum loss multilayer solenoid for induction heating is characterized by the ampere-turns carrying the same current per conductor from one layer to the next on account of the dimensioning of the conductors having width and thickness varying monotonically in opposite directions across the layers. Central cooling for the conductors is accommodated in the parallel layers with sectional distribution of the cooling medium.
REFERENCES:
patent: 1861870 (1932-06-01), Long
patent: 2577825 (1951-12-01), Strickland, Jr.
"Design and Calculation of Induction Heating Coils", R. M. Baker, AIEE Transactions, Mar. 1957, pp. 31-40.
"Current Density and Power Loss Distributions in Sheet Windings", K. Gallyas, Doctoral Dissertation, Dept. of Electrical Engineering, University of Toronto, Jan. 1975.
Envall Jr. Roy N.
Lateef M. M.
Lorin C. M.
Westinghouse Electric Corp.
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