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    • 36. 发明专利
    • Turbo fan and air conditioner provided therewith
    • 涡轮风扇和空气调节器
    • JP2008075626A
    • 2008-04-03
    • JP2006258908
    • 2006-09-25
    • Fujitsu General Ltd株式会社富士通ゼネラル
    • TSUJIKAWA YUEIMORI NOBUYUKIHORIUCHI YOSHIYASU
    • F04D29/30B29C65/08B29L31/08F04D17/16F24F1/00
    • B29C66/54B29C65/08B29C66/12441B29C66/128B29C66/301B29C66/3022B29C66/30223B29C66/322B29C66/543B29C66/8322B29L2031/082B29L2031/7496
    • PROBLEM TO BE SOLVED: To improve positioning accuracy during joining of a shroud and a blade by ultrasonic welding. SOLUTION: The turbo fan 23 is provided with a substantially disc-like hub 24, the circular shroud 25 facing the hub 24, having a circular opening 25a in a center part, and spreading toward the hub 24, and a circular blade partition plate 26 having a circular opening 26a in a center part and formed by integrating pluralities of upper blades 26c and lower blades 26d on a partition plate 26b vertically partitioning a passage between the hub 24 and the shroud 25. A step part 26e is provided on an upper end of the upper blade 26c of the blade partition plate 26, a step part 25b corresponding to the step part 26e of the upper blade 26c is provided on a spreading portion of the shroud 25 to be used as a positioning guide, a hole is provided in a flat face 26f of the step part 26e of the upper blade 26c, and a boss corresponding to the hole is provided on a flat face 25c of the step part 25b of the shroud 25. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:通过超声波焊接提高罩和刀片接合期间的定位精度。 解决方案:涡轮风扇23设置有大致圆盘状的轮毂24,圆形护罩25面向轮毂24,在中心部分具有圆形开口25a,并朝向毂24扩展,并且圆形刀片 分隔板26在中心部分具有圆形开口26a,并且通过将多个上叶片26c和下叶片26d整合在分隔板24b上的分隔板26b上而形成,该分隔板26b垂直分隔轮毂24和护罩25之间的通道。步骤部分26e设置在 叶片隔板26的上部叶片26c的上端,与上部叶片26c的台阶部26e相对应的台阶部25b设置在护罩25的扩展部上,用作定位引导件,孔 设置在上部刀片26c的台阶部26e的平坦面26f中,并且在罩25的台阶部25b的平坦面25c上设置有与该孔对应的凸台。(C) 2008年,JPO&INPIT