Fan shroud structure for reducing resonance, improving stiffness and manufacturability
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 2, 2007
Grant Date -
Feb 24, 2005
app pub date -
Aug 17, 2004
filing date -
Aug 21, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fan shroud structure 10 is constructed and arranged to carry a fan. The fan shroud structure includes a body 12 having a periphery, a main surface, and an annular rim 26 defining a generally central opening 28. The opening 28 is sized to accommodate blades of a fan. Fan mounting structure 30 is coupled with the body and is disposed generally adjacent to the central opening. The fan mounting structure is constructed and arranged to support a motor of a fan. The body includes a plurality of surfaces features 34 constructed and arranged to affect resonance of the shroud structure with each feature having a surface 36 that is discontinuous with respect to the main surface 38 of the body. Each feature 34 also extends from the annular rim to the periphery of the body.
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