公开(公告)号：US20090175720A1

公开(公告)日：2009-07-09

申请号：US12345864

申请日：2008-12-30

申请人： Yusuke YOSHIDA ,  Hidenobu TAKESHITA ,  Hidefumi KAWAKAMI

发明人： Yusuke YOSHIDA ,  Hidenobu TAKESHITA ,  Hidefumi KAWAKAMI

IPC分类号： F01D25/28

CPC分类号： F04D29/522 ,  F04D25/0613

摘要： An axial fan includes a motor section, an impeller, a housing, and a plurality of supporting ribs. The motor section and the impeller are disposed on the inside of the housing. In a connecting region between an inner end portion of the supporting rib and the base section, a first corner portion and a second corner portion are formed on the side of a rotational direction of the impeller and on the side opposite to the rotational direction, respectively. A curvature radius of the first corner portion is larger than a curvature radius of the second corner portion.

摘要翻译： 轴流风扇包括马达部分，叶轮，壳体和多个支撑肋。 马达部分和叶轮设置在壳体的内侧。 在支撑肋的内端部与基部之间的连接区域中，分别在叶轮的旋转方向和与旋转方向相反的一侧分别形成有第一角部和第二角部 。 第一角部的曲率半径大于第二角部的曲率半径。

公开(公告)号：US20080286135A1

公开(公告)日：2008-11-20

申请号：US12121948

申请日：2008-05-16

申请人： Yusuke YOSHIDA ,  Shinya KANEOYA

发明人： Yusuke YOSHIDA ,  Shinya KANEOYA

IPC分类号： F04B17/00

CPC分类号： F04D29/601 ,  F04D19/007 ,  F04D29/646

摘要： A serial axial fan unit includes first and second axial fans and a spacer arranged therebetween and connected thereto. First and second impellers respectively provided in the first and second axial fans have a diameter in a range from approximately 25 mm to approximately 200 mm, for example. The axial height of the spacer is in a ranged of approximately 1.5 mm to approximately 8 mm, for example. Due to the spacer, the first and second axial fans are spaced apart from each other by an appropriate distance. Thus, a harsh noise caused by interference occurring when air from the first axial fan flows into the second axial fan is reduced. Also, the static pressure to airflow volume characteristics of the serial axial fan for a given sound value is improved.

摘要翻译： 串联轴流风扇单元包括第一和第二轴流风扇以及设置在其间并与之连接的间隔件。 分别设置在第一和第二轴流风扇中的第一和第二叶轮的直径例如在大约25mm至大约200mm的范围内。 例如，间隔件的轴向高度范围为约1.5mm至约8mm。 由于间隔件，第一和第二轴流风扇彼此隔开适当的距离。 因此，来自第一轴流风扇的空气流入第二轴流风扇时产生的干扰引起的恶劣噪声减小。 此外，对于给定的声音值，串联轴流风扇的气流体积特性的静压力得到改善。

公开(公告)号：US20080031723A1

公开(公告)日：2008-02-07

申请号：US11831274

申请日：2007-07-31

申请人： Yusuke YOSHIDA

发明人： Yusuke YOSHIDA

IPC分类号： F04D25/16

CPC分类号： F04D19/007 ,  F04D29/542

摘要： An axial fan unit includes two or more impellers accommodated in a housing. Each impeller has a plurality of blades disposed about a center axis and is rotated by an associated motor. The rotation of the impellers creates a flow of air generally flowing along the center axis. A plurality of ribs are disposed between the impellers and connected to the housing. The ribs support an associated motor. At least one of an air-inlet side edge and an air-outlet side edge of each rib is inclined with respect to a direction that is perpendicular or substantially perpendicular to the center axis, such that it gets closer to one of an air-inlet side end and an air-outlet side end of the axial fan unit as it moves away from the center axis.

摘要翻译： 轴流风扇单元包括容纳在壳体中的两个或多个叶轮。 每个叶轮具有围绕中心轴线设置的多个叶片，并由相关联的马达旋转。 叶轮的旋转产生通常沿着中心轴线流动的空气流。 多个肋布置在叶轮之间并连接到壳体。 肋骨支撑相关电机。 每个肋的空气入口侧边缘和出气侧边缘中的至少一个相对于垂直于或基本上垂直于中心轴线的方向倾斜，使得其更靠近空气入口中的一个 轴向风扇单元的侧端和出风侧端部远离中心轴线移动。