High speed cooking oven having an air impingement heater with an improved orifice configuration
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United States of America Patent
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Aug 23, 2005
Grant Date -
Dec 30, 2004
app pub date -
Jun 7, 2004
filing date -
Jun 10, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
An air impingement oven having a conveyor belt assembly for moving food through a heat treatment passage. The air impingement oven has a fan, a supply duct, a plenum and a number of jet fingers being disposed above the conveyor belt assembly. The jet fingers have a base portion having a number of orifices for directing the impingement air onto the food. The orifices have an improved configuration. The improved configuration intensifies the airflow on the food to penetrate heat into the food surface thereby improving heat transfer. The improved configuration reduces a cooking time of the food in the air impingement oven.
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