| 摘要 |
A blower includes a blower housing having a chamber, an impeller rotatably received in the chamber, the impeller having a plurality of blades; and at least one resonator ring associated with one of the blower housing and the impeller. The resonator ring provides a plurality of resonator cavities for absorbing noise generated by the plurality of blades. The blower housing has an inlet opening and an outlet opening associated with the chamber; and a baffle assembly sub-dividing at least one of the inlet and the outlet openings.
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