Convex fan shroud
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United States of America Patent
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Feb 23, 2016
Grant Date -
Sep 24, 2015
app pub date -
Mar 18, 2014
filing date -
Mar 18, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A convex fan shroud for use with an automotive engine cooling system having a fan and a fan-cooled, liquid-to-air radiator is disclosed. The convex fan shroud has an optimized shape that leads to high air flow rates through the radiator. The convex fan shroud includes a front frame that defines an air-intake opening, a convex top wall connected to the frame, a convex bottom wall connected to the frame, and a pair of opposed convex side walls connected to the frame and to the top and bottom walls. The interior surfaces of the walls are smooth. The convex walls define a barrel-shaped shroud body that includes a round engine-facing opening to accommodate the fan. In addition to generating a higher flow rate, the disclosed inventive concept for a smooth convex fan shroud is relatively low cost to produce and has a relatively high degree of rigidity.
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