OVEN EXHAUST FAN SYSTEM AND METHOD
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United States of America Patent
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Issued Date -
Oct 28, 2010
app pub date -
Apr 27, 2009
filing date -
Apr 27, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An oven apparatus has an oven enclosure with a heating zone and has two fans that remove air from the heating zone during purging and during normal operations. One of the two fans, called the exhaust fan, is a fixed speed fan in some embodiments. The second fan is a variable speed fan in some embodiments. The oven apparatus may have a vestibule at a conveyor opening with a fan dedicated to exhausting the vestibule. The oven apparatus may have an air seal between the vestibule and a heating zone of an oven chamber.
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