A - Human Necessities – 21 – B
Patent
A - Human Necessities
21
B
81/69
A21B 1/26 (2006.01) A47J 39/00 (2006.01) F24C 15/32 (2006.01)
Patent
CA 2003711
-73- ABSTRACT Commercial cooking devices are disclosed wherein recirculating flow of heated air is created within a housing in which a horizontally disposed food support and cooking member is positioned. A plenum structure converts some of the continuously recirculated air into a spaced series of laterally diffused, relatively high velocity heated air impingement jets that slightly overlap prior to striking the food support. In this manner, each food support surface subjected to jet impingement is evenly blanketed with heating air to uniformly transfer heat to the food support, and thus to the food supported thereby, at an accelerated rate. In a further embodiment, a dual tier pizza cooking oven is formed from similar, but inverted lower and upper modules. The lower module has a housing with a cooking chamber therein that is floor supported in an elevated position by supports, andincludes a downwardly projecting fan and heating section to recirculate heated air through the housing. The upper module is stacked on top of the lower housing, and includes a fan and heating section that projects upwardly therefrom that recirculates a flow of heated air through its cooking chamber. Perforated metal food support plates are horzontally disposed in each of the two cooking chambers. Plenum structures on opposite sides of the support plates in each of the two cooking chambers receive portions of the recirculated heated air and convert them to a series of heated air cooking jets that evenly blanket opposite sides of the support plates.
Luebke Clement J.
Sank Gerald W.
Slade Frank A.
Kirby Eades Gale Baker
Welbilt Corporation
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