Electric heating – Metal heating – Of cylinders
Patent
1982-12-06
1984-02-07
Reynolds, B. A.
Electric heating
Metal heating
Of cylinders
219 1055F, 126 21A, 126 39B, H05B 664
Patent
active
044305419
ABSTRACT:
A combination microwave gas convection oven having a tubular burner operating in an induced draft environment. A blower system draws air from a combustion chamber forcing it into the heating cavity. The slight pressure created in the combustion chamber draws in air from the heating cavity through perforations communicating therebetween completing the convection recirculation. The negative pressure in the combustion chamber also causes secondary combustion air to be drawn up along the sides of the burner which is positioned adjacent to an aperture in the floor of the combustion chamber. A plurality of top ports in the burner provides low port loading. The structure provides good flame characteristics with low noise of combustion.
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Clark William R.
Leung Philip H.
Pannone Joseph D.
Raytheon Company
Reynolds B. A.
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