Electric heating – Microwave heating – Tunnel furnace
Patent
1995-03-20
1996-07-30
Leung, Philip H.
Electric heating
Microwave heating
Tunnel furnace
219682, 219684, 219756, 99DIG14, 99451, H05B 678
Patent
active
055413900
ABSTRACT:
The tunnel oven comprises an elongated enclosure connected to an inlet closure and an outlet closure and traversed by a conveyor transporting the food to be cooked. The enclosure is delimited by a wall forming a floor, a wall forming a ceiling, and two side walls of which one is provided with a door giving access to the interior of the enclosure. The enclosure is divided into several successive cooking chambers separated from each other in the upper portion of the latter, each chamber being associated with several different heaters, including microwave heaters. The microwave heaters of each chamber comprise several sources provided with microwave emission members disposed in the wall forming the ceiling of the chamber such that one microwave emission member will be offset relative to a neighboring microwave emission member, in the direction of advance of the food.
REFERENCES:
patent: 3478900 (1969-11-01), Jeppson
patent: 3704523 (1972-12-01), Guerga et al.
patent: 3916137 (1975-10-01), Jurgensen
patent: 3961568 (1976-06-01), Jeppson
patent: 4246462 (1981-01-01), Meisel
patent: 4808782 (1989-02-01), Nakagawa et al.
patent: 4870236 (1989-09-01), Berggren
patent: 4962298 (1990-10-01), Ferrari et al.
patent: 5369250 (1994-11-01), Meredith
Cidelcem Industries
Leung Philip H.
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