Air delivery means for convection oven or cooling apparatus

A gas delivery assembly for a heating or cooling apparatus. The system includes a blower and a duct in fluid communication with the blower (and preferably a plenum in communication with the blower and duct). The duct has a proximal end and a distal end with an inlet opening adjacent the proximal end...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	DOUGHERTY CARL J
Format:	Patent
Sprache:	eng
Schlagworte:	BAKERS' OVENS BAKING BLASTING DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION EDIBLE DOUGHS HEATING HUMAN NECESSITIES LIGHTING MACHINES OR EQUIPMENT FOR BAKING MECHANICAL ENGINEERING OTHER DOMESTIC STOVES OR RANGES RANGES VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	A gas delivery assembly for a heating or cooling apparatus. The system includes a blower and a duct in fluid communication with the blower (and preferably a plenum in communication with the blower and duct). The duct has a proximal end and a distal end with an inlet opening adjacent the proximal end through which temperature controlled gas enters. The duct further includes a plate extending along its length with a plurality of orifices through which the gas exits the duct. Improved evenness of distribution of gas through the orifices is achieved by the ducts design which includes a first tapered portion adjacent the proximal end and a second tapered portion adjacent the distal end, the first tapered portion having a greater angle of taper than the second tapered portion.