| 摘要 |
An air guiding device for dissipating heat generated by an electronic component in an enclosure includes a duct ( 30 ), a guide sleeve ( 20 ) slidably attached to the duct, interengaging means for attaching the guide sleeve to the duct and a filter ( 40 ) accommodated in the duct. The duct defines a recess ( 38 ) therein. The filter is deformably and removably received in the recess. The means includes a plurality of grooves ( 36 ) defined in one of the duct and the guide sleeve and a plurality of protrusions ( 28 ) formed on the other of the duct and the guide sleeve. The protrusions are engaged in selected grooves so that a length of the guide sleeve with respect to the duct can be adjusted.
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