H - Electricity – 05 – B
Patent
H - Electricity
05
B
327/1.7
H05B 11/00 (2006.01) F24C 15/32 (2006.01) H05B 6/80 (2006.01)
Patent
CA 1138937
ABSTRACT OF THE DISCLOSURE A combination microwave and convection oven in which a gas burner positioned outside the oven provides heated combustion products which are drawn from the burner area along with vapor from an outlet of the oven by a blower system and the combined output of the blower system is blown into the oven through an oven inlet region in the oven wall. Both the oven outlets and the oven inlet are formed of holes substantially less than one-half wave- length in diameter. A predetermined portion of the blower output system is blown through an exhaust vent thereby creating slight negative pressures in the oven and in the burner plenum to accurately control the air flow through the burner.
338612
Day William J.
Saponara Domenick
Raytheon Company
Smart & Biggar
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