发明名称 FLARED TIP FAN BLADE AND METHOD OF MANUFACTURING SAME
摘要 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.
申请公布号 US2012003098(A1) 申请公布日期 2012.01.05
申请号 US20100828823 申请日期 2010.07.01
申请人 LEWIS ROBERT;SPX COOLING TECHNOLOGIES, INC. 发明人 LEWIS ROBERT
分类号 F04D29/38;B21K3/04 主分类号 F04D29/38
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