| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce noise by a fan unit and to promote a long life of the fan unit by adjusting the dimension of the fan unit to the dimension of a device, in the fan unit and a device to which the fan unit is mounted. <P>SOLUTION: The fan unit has: a motor part having a motor; a blade which is radially extended from the motor part, is free in the extension and contraction of a length in the radial direction, and rotated by the rotation of the motor; and a frame body which has an aperture that exposes the blade, and divided into a plurality of frames so that the plurality of frames are arranged in the direction of revolving around of the motor part, and in which the plurality of frames move freely in the direction of contact with and separation from each other accompanied by the expansion and contraction of the aperture. <P>COPYRIGHT: (C)2012,JPO&INPIT |
