COUNTER-ROTATING AXIAL-FLOW FAN
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United States of America Patent
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Issued Date -
Jul 29, 2010
app pub date -
Jul 8, 2008
filing date -
Jul 12, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A counter rotating axial flow fan that reduces vibration generation over a wide rotational speed range. A disk-shaped cushioning member is disposed between a circular plate portion of a first support frame main body half portion and a circular plate portion of a second support frame main body half portion. The cushioning member is compressed, with hook portions forming a plurality of engaging portions and hole portions forming a plurality of engaged portions completely engaged with each other.
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