Heating method and assembly utilizing electric heating elements

Details Heating method and assembly utilizing electric heating elements Heating method and assembly utilizing electric heating elements

1991-05-24

1993-08-10

Reynolds, Bruce A.

Electric resistance heating devices

Heating devices

Combined with nonelectric heating means

432175, 432 31, 392432, 431328, F24C 100, F24C 1100

Patent

active

052356671

ABSTRACT:
A heater for radiant heating of an object in a heating tunnel, furnace or the like has a layer of ceramic fibers through which a fuel/air mixture is fed for combustion at the surface and use of the heater as a gas burner. Partly embedded in the surface is an electrical-resistance heater which is heated up by the burner action and then can be energized to provide controlled heating of the object when the gas is shut off. A flow of cooling air through the heater can terminate the heating operation and rapidly quench the heater.

REFERENCES:
patent: 2921176 (1960-01-01), Scofield
patent: 2999534 (1961-09-01), Wagner
patent: 3024836 (1962-03-01), Bello
patent: 3057400 (1962-10-01), Wagner
patent: 3073379 (1963-01-01), Martin
patent: 3784353 (1974-01-01), Chapurin
patent: 4634373 (1987-01-01), Rattner

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