| 摘要 |
A blower includes an impeller and a housing. The housing has an accommodating portion, a throat portion and a concave portion. The impeller is disposed within the housing and rotates via the shaft. A first axial line and a second axial line are perpendicular to each other, and both intersect at a position where the shaft is located to divide the housing into four regions. Both of the throat portion and the concave portion are disposed adjacent to the outlet and disposed in the first region.
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