| 摘要 |
A range hood motor housing and fan assembly for exhausting gases generated above a cooking surface. The motor housing has top, bottom and side surfaces definin g a substantially cylindrical chamber within which a motor and fan are housed. A n air outlet is present in the top surface. Space between the top surface and the fan increases in the direction of rotation of the fan from one side of the air outlet to the other side of the air outlet. The fan has a plurality of arcuate fan blades having at least on e trough declining to the outer radial edge of the fan blade to direct any grease draining on the blade in this direction.
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