公开(公告)号：US20090311093A1

公开(公告)日：2009-12-17

申请号：US12483297

申请日：2009-06-12

申请人： Takaya OTSUKI ,  Tatsuya AKASE ,  Tsunenori TATSUNO ,  Toshikazu FUKUNAGA ,  Kazumi TAKESHITA ,  Tomohiko OGASAWARA

发明人： Takaya OTSUKI ,  Tatsuya AKASE ,  Tsunenori TATSUNO ,  Toshikazu FUKUNAGA ,  Kazumi TAKESHITA ,  Tomohiko OGASAWARA

IPC分类号： F04D29/42 ,  F04D29/30

CPC分类号： F04D25/0613 ,  F04D29/281 ,  F04D29/30

摘要： An impeller in a centrifugal fan includes a support portion having a cylindrical outer circumferential surface coaxial or substantially coaxial with a center axis and a plurality of moving blades arranged on the outer circumferential surface of the support portion independently of one another and configured to draw an air along the center axis and expel the air radially outwards when rotated about the center axis together with the support portion. At least one of the moving blades includes a first blade portion connected to, and extending radially outwards from, the outer circumferential surface of the support portion, at least one second blade portion having a radial inner end portion radially spaced apart from the outer circumferential surface of the support portion and a connecting member arranged to interconnect the first blade portion and the second blade portion.

摘要翻译： 离心式风扇中的叶轮包括具有与中心轴线同轴或基本同轴的圆柱形外圆周表面的支撑部分以及彼此独立地布置在支撑部分的外圆周表面上的多个活动叶片， 沿着中心轴线并与支撑部分一起围绕中心轴线旋转时径向向外排出空气。 活动叶片中的至少一个包括连接到支撑部分的外周表面并从其延伸的第二叶片部分的至少一个第二叶片部分，至少一个第二叶片部分具有与外周表面径向间隔开的径向内端部分 并且连接构件被布置成互连第一叶片部分和第二叶片部分。

公开(公告)号：US20090081036A1

公开(公告)日：2009-03-26

申请号：US12099829

申请日：2008-04-09

申请人： Hidenobu TAKESHITA ,  Toshikazu FUKUNAGA ,  Tsunenori TATSUNO

发明人： Hidenobu TAKESHITA ,  Toshikazu FUKUNAGA ,  Tsunenori TATSUNO

IPC分类号： F04D29/54

CPC分类号： F04D25/0613 ,  F04D29/544

摘要： An axial flow fan according to the present invention comprises an impeller which rotates about a central axis and including a plurality of blades, a hollow member accommodating therein the impeller, a base portion which is arranged at the hollow member and supports the base portion in a rotatable manner, a plurality of inner air guide members each connected to the base portion, and a plurality of outer air guide members each connected to the hollow member.The inner air guide members and the outer air guide members each include a first edge member and a second edge portion. A length of he first edge member and that of the second edge member of the outer air guide member are greater than those of the first edge member and the second edge member of the inner air guide member.

摘要翻译： 根据本发明的轴流风扇包括：叶轮，其围绕中心轴线旋转并且包括多个叶片，容纳在其中的叶轮的中空构件;基部，其布置在中空构件处并将基部支撑在 各自连接到基部的多个内部空气引导构件和多个连接到中空构件的外部空气引导构件。 内部空气引导构件和外部空气引导构件各自包括第一边缘构件和第二边缘部。 外部空气引导构件的第一边缘构件和第二边缘构件的长度大于内部空气引导构件的第一边缘构件和第二边缘构件的长度。