FLARED TIP FAN BLADE AND METHOD OF MANUFACTURING SAME
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United States of America Patent
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Issued Date -
Jan 5, 2012
app pub date -
Jul 1, 2010
filing date -
Jul 1, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A fan blade assembly is provided. The fan blade assembly may include; a fan blade having an airfoil shaped section, formed by being run lengthwise though a die and a flap portion integral with the airfoil section also run lengthwise through the die, the fan blade having a hub end and a tip end, a tapering trailing edge on a trailing edge of the fan blade defined by removing a portion of the trailing edge of the fan blade after it has been run through the die, the tapering trailing edge defining the fan blade to be narrower moving from the hub end toward the tip end, and a flared portion interrupting the tapering trailing edge near the tip end, the flared portion defining the fan blade to become wider from the beginning of the flared portion to the tip end. A method for making a fan blade may also be provided.
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