Food or edible material: processes – compositions – and products – Processes – Preparation of product which is dry in final form
Patent
1993-07-19
1994-12-13
Yeung, George
Food or edible material: processes, compositions, and products
Processes
Preparation of product which is dry in final form
99483, 126 21A, 126273R, 426467, A23L 100, A23N 1200
Patent
active
053728335
ABSTRACT:
A roasting system and method for avoiding contact between food to be roasted and combustion materials, in which a heat exchanger is heated by a heated flow from a combustion chamber and the heated flow exhausts through an exhaust outlet associated with the heat exchanger. To avoid food contact with the heated flow, an intake air flow duct draws in outside air and conveys the drawn-in air past the heat exchanger free of contact with the heated flow or heated material forming the heated flow for heating the drawn-in outside air by induction. A surround chamber surrounding the combustion chamber in heat exchange relationship therewith is connected with the intake air flow after it is heated by the heat exchanger for conveying the heated intake air flow to the surround chamber for heating thereof the surround chamber by heat from the combustion chamber, then the heated air flow is conveyed to a roasting chamber for heating the food. A cyclone separator is coupled to the roasting chamber through an intake group for separating the larger particles from the air flow prior to exhaust to the outside. Exhaust can also take place through the same exhaust from the heat exchanger.
REFERENCES:
patent: 3345180 (1967-10-01), Smith, Jr.
patent: 5185171 (1993-02-01), Bersten
Petroncini SpA
Yeung George
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