Electric heating – Microwave heating – Tunnel furnace
Patent
1978-12-21
1981-01-27
Envall, Jr., Roy N.
Electric heating
Microwave heating
Tunnel furnace
13 32, 219 1049R, 219 1079, H05B 624, H05B 642
Patent
active
042477360
ABSTRACT:
An induction heater having a cryoresistive induction coil comprising an induction coil positioned in a cryostat filled with a cryogenic coolant having a temperature in the range of from 15.degree. to 120.degree. K., a heat-insulating element disposed around the charge to be heated, and a cooled baffle interposed between the cryostat and the heat-insulating element, the induction coil being formed of a metal with chemical purity of 99.99 percent, and at least a part of the cryostat being made of a dielectric material.
REFERENCES:
patent: 1981632 (1934-11-01), Northrup
patent: 2281335 (1942-04-01), Somes
patent: 3461215 (1969-08-01), Reboux
patent: 3551115 (1970-12-01), Jamieson et al.
patent: 3636293 (1972-01-01), Schneider et al.
"Handbook of Chemistry and Physics", 41st Ed., 1959-1960, pp. 2588-2591, Table of Metal Resistivity.
Brodyansky Viktor M.
Grigoriev Valentin A.
Kuvaldin Alexandr B.
Sokolov Mikhail M.
Envall Jr. Roy N.
Leung Philip H.
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