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    • 6. 发明申请
    • FAN SYSTEM
    • 风扇系统
    • US20090290984A1
    • 2009-11-26
    • US12470973
    • 2009-05-22
    • Yoshinori MiyabaraJiro WatanabeHiromitsu Kuribayashi
    • Yoshinori MiyabaraJiro WatanabeHiromitsu Kuribayashi
    • F04D29/00F04B17/00F04D29/40
    • F04D19/007F04D25/0613F04D29/544
    • A fan system with enhanced air flow-static pressure characteristics and reduced fan noise compared to the related art is provided. The number of duct blades of a duct is the same as the number of stationary blades of an axial flow fan located in front of the duct, and the duct blades correspond to the stationary blades respectively. An end surface of a rear end portion of each stationary blade and an end surface of a front portion of a duct blade corresponding to the stationary blade have the same shape, and they align together and contact each other to form one composite stationary blade, with a discharge port of each axial flow fan communicating with an inlet port of a duct housing located behind the axial flow fan.
    • 提供了一种与现有技术相比具有增强的空气流静压特性和降低风扇噪声的风扇系统。 管道的管道叶片的数量与位于管道前方的轴流风扇的固定叶片的数量相同,并且管道叶片分别对应于固定叶片。 每个固定叶片的后端部的端面和对应于固定叶片的管道叶片的前部的端面具有相同的形状,并且它们对齐并彼此接触以形成一个复合固定叶片,其中 每个轴流风扇的排放口与位于轴流风扇后面的管道壳体的入口连通。