Conveyor oven with improved air return and method

Details Conveyor oven with improved air return and method Conveyor oven with improved air return and method

2004-09-16

2008-03-18

Cocks, Josiah C. (Department: 3749)

Stoves and furnaces

Stoves

Cooking

C099S44300R

Reexamination Certificate

active

07343912

ABSTRACT:
A conveyor oven in which a heated circulating air stream provides impingement air toward a conveyor, which is turned to flow horizontally along the conveyor toward an inlet and/or an outlet thereof. The conveyor oven includes a ductwork that provides a positive pressure airflow to form the impingement air as well as a positive pressure a second air flow that intersects with the horizontal air flow with a more positive pressure adjacent the inlet and/or outlet to redirect the horizontal airflow toward an air return plenum so as to substantially reduce the escape of heat to ambient.

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patent: 6526961 (2003-03-01), Hardenburger
patent: 2003/0056658 (2003-03-01), Jones et al.
patent: 2 540 344 (1984-08-01), None

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