Food or edible material: processes – compositions – and products – Processes – Heating above ambient temperature
Patent
1994-12-14
1996-04-30
Yeung, George
Food or edible material: processes, compositions, and products
Processes
Heating above ambient temperature
99386, 99443C, 99451, 126 20, 1262735, 219700, 426510, 426243, A23L 100, A47J 2700, H05B 600
Patent
active
055123120
ABSTRACT:
An oven for cooking and browning foods has heated, radiant walls. Heat may be supplied by a gas burner flame in a plenum behind the walls, with products of combustion thus being isolated from the food in the oven chamber. In one embodiment food products are continuously conveyed through the oven chamber and are either cooked or simply browned in the oven by the radiant wall heat. Fats and other materials rendered from the food products, if not fully incinerated in the oven chamber, may be transferred along with exhaust air from the oven chamber to a separate combustion chamber, for incineration. Steam or other inert gas is introduced to the oven chamber to minimize oxidation and prevent flame. An alternative wall heating system uses electric resistance heat elements inside a thin ceramic wall. In another embodiment a web-like metal conveyor of a radiant wall oven is returned through the oven in order to heat the conveyor sufficiently to put grill stripes on a product being browned, such as meat. Water spray or other means are included for controlling the temperature of the belt to a desired range. In a further embodiment a radiant wall oven is combined in series with a microwave oven, so that the food products are browned in the radiant wall oven and cooked in the microwave oven.
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Brown Ernest C.
Forney Robert B.
Freiburger Thomas M.
Yeung George
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