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    • 1. 发明专利
    • Cooling fan
    • 冷风扇
    • JP2012229689A
    • 2012-11-22
    • JP2011206888
    • 2011-09-22
    • Jianzhun Electric Mach Ind Co Ltd建準電機工業股▲分▼有限公司
    • KO GINJUCHIN BUNKAN
    • F04D29/056F04D29/58
    • F04D25/062F04D17/04F04D17/16F04D27/008F04D29/051F04D29/052
    • PROBLEM TO BE SOLVED: To provide a cooling fan capable of preventing the upper part of a hub of a fan wheel and the upper part of a blade from colliding with the bottom of a cover plate.SOLUTION: The cooling fan includes one base seat 1, one cover plate 2, one fan wheel 3, and one auxiliary shaft 4. The cover plate 2 is located on the upper part of the base seat 1. The fan wheel 3 is placed in pivotal contact with the base seat 1 via one turning shaft 31 in a turnable manner. One highest site T is included in the fan wheel 3, and one first clearance G1 is included between the highest site T of the fan wheel 3 and the bottom of the cover plate 2. The auxiliary shaft 4 is provided between the upper part of the hub 32 of the fan wheel 3 and the bottom of the cover plate 2. One second clearance G2 is included between the auxiliary shaft 4 and the upper part of the hub 32 or the bottom of the cover plate 2, and the second clearance G2 is smaller than the first clearance G1.
    • 要解决的问题:提供一种能够防止风扇轮毂的上部和叶片的上部与盖板的底部碰撞的冷却风扇。 解决方案:冷却风扇包括一个基座1,一个盖板2,一个风扇叶轮3和一个辅助轴4.盖板2位于基座1的上部。风扇叶轮3 经由一个转动轴31以可转动的方式与基座1枢转接触。 一个最高场所T包括在风扇轮3中,并且一个第一间隙G1包括在风扇轮3的最高位置T和盖板2的底部之间。辅助轴4设置在风扇叶轮3的上部之间 风扇轮3的毂32和盖板2的底部。辅助轴4和轮毂32的上部或盖板2的底部之间包括一个第二间隙G2,第二间隙G2是 小于第一间隙G1。 版权所有(C)2013,JPO&INPIT