Blower assembly for self-cleaning convection oven

Details Blower assembly for self-cleaning convection oven Blower assembly for self-cleaning convection oven

F - Mech Eng,Light,Heat,Weapons

24

C

F24C 15/00 (2006.01) F24C 14/02 (2006.01) F24C 15/32 (2006.01)

Patent

CA 2336242

A blower assembly for a cooking appliance having an oven cavity adapted to operate in at least cleaning and convection cooking modes includes a blower element mounted for rotation through a shaft member supported by at least one bearing unit. The shaft member is constituted by a tubular section which is secured to the blower element and a solid shaft section which extends within the tubular section. The solid shaft section is formed from a material having a higher termal conductivity than the tubular section and concentrically arranged relative to the bearing unit. With this arrangement, the shaft section acts as a heat sink for directing heat, to which the blower element is subjected, away from both the tubular section and the bearing unit. The shaft section preferably terminates within the tubular section at a distance spaced from the blower element such that a thermal air gap is defined within the tubular section.

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