Dynamic gradient furnace with controlled heat dissipation

Details Dynamic gradient furnace with controlled heat dissipation Dynamic gradient furnace with controlled heat dissipation

1982-03-22

1983-12-27

Envall, Jr., Roy N.

Industrial electric heating furnaces

Resistance furnace device

With internal atmosphere control

373119, 373127, 373130, 219390, F27B 500

Patent

active

044235160

ABSTRACT:
A furnace producing a precisely controlled temperature gradient within a central bore by a plurality of heating elements sandwiched between respective insulating layers with each heating element loosely thermally coupled to a thermally conductive ring extending concentrically outward from the furnace bore. Thermal sensors at each layer provide data to data processing equipment which controls and moves temperature gradients within the furnace by program.

REFERENCES:
patent: Re27065 (1971-02-01), Lang
patent: 2491210 (1949-12-01), Rennie
patent: 4086424 (1978-04-01), Mellen, Sr.
patent: 4124199 (1978-11-01), Jones et al.
patent: 4195820 (1980-04-01), Berg

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