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    • 5. 发明专利
    • Fan rotor blade of jet engine for aircraft
    • 飞机喷气发动机风扇转子叶片
    • JP2013155675A
    • 2013-08-15
    • JP2012017134
    • 2012-01-30
    • Ihi Corp株式会社Ihi
    • YAGI HIROYUKIKUROKI HIROSHIOBUCHI TAKEO
    • F02K3/06F02C3/06F02C7/00
    • F01D5/282F01D5/147F02K3/06F04D29/023F04D29/324F04D29/325F04D29/328F05D2220/36F05D2240/303F05D2240/307F05D2300/10F05D2300/43F05D2300/603Y02T50/672
    • PROBLEM TO BE SOLVED: To provide a fan rotor blade of a jet engine for an aircraft capable of further improving impact resistance, while reducing the entire weight.SOLUTION: A fan rotor blade 1 is provided with a blade body 10 produced from a composite material of resin and reinforced fiber and having a pressure surface 10a facing one side of the rotation direction and a suction surface 10b facing the other side of the rotation direction. This blade body is provided with a sheath 20 which has higher rigidity than the blade body and is affixed to the blade body while covering the vicinity of the front edge, which is located on the upstream side in the direction in which outside air is taken in, of the blade body. A leading end 21b of the sheath extends from a front edge side to a back edge side of the blade body, and an end of the leading end 21b is flush with the back edge of the blade body.
    • 要解决的问题:提供一种用于能够进一步提高耐冲击性的飞机的喷气发动机的风扇转子叶片,同时降低整体重量。解决方案:风扇转子叶片1设置有由复合材料制成的叶片体10 树脂和增强纤维,并且具有面向旋转方向的一侧的压力表面10a和面向旋转方向的另一侧的吸力表面10b。 该叶片本体设置有具有比刀体高的刚性的护套20,并且在覆盖位于外部空气被吸入的方向的上游侧的前边缘附近的同时固定到刀体上 ,刀片体。 护套的前端21b从刀体的前缘侧向后缘侧延伸,前端21b的端部与刀体的后缘齐平。
    • 10. 发明专利
    • Fan structure of vehicle
    • 风扇结构
    • JP2008115845A
    • 2008-05-22
    • JP2006341521
    • 2006-12-19
    • Hyundai Motor Co Ltd現代自動車株式会社
    • LEE JEONG-HANNAM KYUNG-WOOK
    • F04D29/38B60H1/00
    • F04D29/666F04D29/328
    • PROBLEM TO BE SOLVED: To provide a fan structure of a vehicle improved so that vibration and noise emission of a fan are lessened as much as possible without any additional measure such as provision of a separate weight, increase in the hub wall thickness, etc.
      SOLUTION: The fan structure for vehicle includes a fan equipped with a plurality of blades, wherein the total of X-axis components of all vectors and the total of their Y-axis components are both zero when the blades are represented by vectors of the same size, where the origin of the X-Y cartesian coordinate system is used as base point, and even though the blades are arranged with different angles from one another, the angles of arrangement of the blades relative to one another are such that the rotational center of the fan is identical to the center of gravity.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供改进的车辆的风扇结构,使得风扇的振动和噪声发射尽可能地减少,而没有任何额外的措施,例如提供单独的重量,轮毂壁厚度的增加 等等。解决方案:车辆的风扇结构包括配备有多个叶片的风扇,其中当叶片为叶片时,所有矢量的X轴分量和它们的Y轴分量的总和都为零 由相同尺寸的矢量表示,其中XY笛卡尔坐标系的原点用作基点,并且即使叶片彼此以不同的角度布置,叶片相对于彼此的布置角度也是如此 风扇的旋转中心与重心相同。 版权所有(C)2008,JPO&INPIT