Blower assembly for self-cleaning convection oven
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 1, 2001
Grant Date -
N/A
app pub date -
Aug 29, 2000
filing date -
Aug 29, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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 though 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 thermal 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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