Electric resistance heating devices – Heating devices – Radiant heater
Patent
1991-07-17
1992-11-24
Walberg, Teresa J.
Electric resistance heating devices
Heating devices
Radiant heater
392419, 219405, 219411, 126 19R, 126273R, 134 1, 99451, F26B 1900, A21B 200
Patent
active
051670038
ABSTRACT:
A food preparation oven includes a cooking chamber (1) in which a device (12) is provided for generating heat waves and for directing them in a suitably concentrated manner onto the surfaces (6, 7, 8, 9, 10,11) of the walls of the chamber (1); the device (12) is removably arranged in the cooking chamber (1) and is mobile therein so as to direct the heat waves onto the entire surface of the walls, the concentrated waves scanning the surfaces (6, 7, 8, 9, 10, 11) but covering only portions of them at any given time, creating only in and around these portions a high temperature which results in the pyrolysis of the impurities which have been deposited on the surfaces (6, 7, 8, 9, 10, 11) during the use of the oven. The heat waves can also be used for food preparation.
REFERENCES:
patent: 3302000 (1967-01-01), Sherman
patent: 3518981 (1970-07-01), Darrow et al.
patent: 4444146 (1984-04-01), De Witz et al.
patent: 4728777 (1988-03-01), Tsisios et al.
Franzetti Giovanni
Montanari Carlo
Jeffery John A.
Krefman Stephen D.
Roth Thomas J.
Turcotte Thomas E.
Walberg Teresa J.
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