Patent ID: 7847224
Filing Date: 2010-12-07
Classification: B08B,F24C,H05B

Abstract:
1. A microwave range having a hood for removing contaminated air, the microwave range comprising: a chamber having an inner cooking room; an electric component room containing electric components; and at least one vent fan for exhausting contaminated air and a cooling fan for cooling the electric components, the at least one vent fan and the cooling fan driven by a common fan motor to generate air current for introducing and exhausting contaminated air and for cooling the electric components, the fan motor having front, back, top, and bottom sides, wherein the at least one vent fan includes first and second vent fans provided on different sides of the fan motor; and the cooling fan is coupled to one of the first and second vent fans, wherein the cooling fan is coupled to the vent fan in such a manner as to be rotated relative to one of the first and second vent fans, wherein each of the first and second vent and cooling fans includes a fan housing and a fan provided in the fan housing, wherein a path covered by the relative rotation of one of the fan housing of the first and second vent fans and the fan housing of the cooling fan about the relative rotational axis encompasses a path covered by the relative rotation of the other of the fan housing of the first and second vent fans and the fan housing of the cooling fan about the relative rotational axis, wherein the relative rotational axis of the first and second vent fans and the cooling fan is eccentric with respect to a central axis of the fan housing of the first and second vent fans and the fan housing of the cooling fan.