Patent ID: 6717114
Filing Date: 2004-04-06
Classification: F24C

Abstract:
In a convection cooking appliance including an oven cavity, at least one heat source for heating the oven cavity, and a control panel for setting a desired cooking operation, a fan assembly comprising:a housing including front, back and peripheral side portions, said housing being secured within the cooking appliance, with the front and peripheral side portions projecting into the oven cavity; an inlet opening provided in the front portion of the housing, with the inlet opening having a diameter and an intake area; a fan unit rotatably mounted within the housing, said fan unit including a plurality of blades and a fan inlet juxtapose the inlet opening of the housing, wherein each adjacent pair of said plurality of blades defines an area portion of the fan inlet and a sum of the area portions for the plurality of blades defining a total inlet area for the fan unit, with the intake area being at least equal to the total inlet area; and a plurality of air exit holes provided in the peripheral side portion of the housing wherein, during operation of said fan assembly, a flow of air is drawn into the housing through the inlet opening, lead to the fan inlet, re-directed within the housing, and directed out the exit holes.