Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 15, 2016
Patent Application Number
13132542
Date Filed
December 3, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
A system and method for controlling the exhaust flow rate in an exhaust ventilation system including an exhaust hood positioned above a cooking appliance. The method can include measuring a temperature of the exhaust air in the vicinity of the cooking appliance, and measuring a radiant temperature of a surface of the cooking appliance, and determining an appliance status based on the measured exhaust air temperature and radiant temperature, and controlling the exhaust flow rate in response to the determined appliance status.
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