F - Mech Eng,Light,Heat,Weapons – 24 – C
Patent
F - Mech Eng,Light,Heat,Weapons
24
C
F24C 14/00 (2006.01)
Patent
CA 2409248
A self-cleaning system for a convection cooking appliance controls the activation and deactivation of multiple heating units, as well as a blower, throughout an initial preheat and subsequent phases of a cleaning operation. In accordance with the preferred self-cleaning method, an initial, catalyst pre-heat stage is followed by a moderately high- temperature presoak stage. For the main cleaning operation, a high temperature stage is initiated in combination with a high convection air flow to establish high oven surface temperatures in a minimal time frame. This timed stage is followed by a cool down period wherein both the temperature and convection speed is reduced. Thereafter, an intermediate temperature heating stage with medium convective air flow followed by a cooling stage are provided for preset time periods. This combination of intermediate temperature heating and subsequent cooling stages is repeated until the total self-cleaning time is completed.
Bales Michael E.
Brown John Scott
Whipple Robert Z. Jr.
Borden Ladner Gervais Llp
Maytag Corporation
Turbochef Technologies Inc.
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