Combination convection steamer oven
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United States of America Patent
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Apr 15, 1997
Grant Date -
N/A
app pub date -
May 5, 1995
filing date -
May 5, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improved combination convection/steamer oven is provided that is capable of maintaining an optimum steam saturation level without quenching by equipping the steam generating system of the oven with an adjustable water supply source. When the oven is initially being brought up to the preselected cooking temperature, a microprocessor controller uses a stored water flow rate profile to calculate the water flow rate required to prevent quenching yet enable a desirable rate of temperature increase. Once the oven has reached operating temperature, the microprocessor controller analyzes temperatures in a drain channel and the cooking cavity and, based on these parameters, calculates the water flow rate into the steam generating system required to optimize steam saturation in the cooking cavity. The steam generating system also has an improved atomizer including a rotating paddle wheel that is fed water from within by a sprayer fan.
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