To provide a centrifugal impeller and a centrifugal fan device having uncomplicated shapes and low noises and to provide electronic equipment equipped with the centrifugal fan device.
A boss part 11 of an almost cylindrical shape is formed at a center of the centrifugal impeller 10 and a plurality of blades 12 are arranged around the boss part 11. The boss part 11 and the plurality of blades 12 are connected through a connection part 14 and the plurality of blades 12 are erectly formed on a peripheral portion of the connection part 14. A distance of a gap between the respective blades 12 and a length of each blade 12 in a centrifugal direction are set so that air flow through the gap becomes laminar flow. With this, low noises can be attained even when the blades 12 have the uncomplicated shape.
| WO/1993/001414 | RADIAL FAN |
| WO/2020/183736 | COMPRESSOR WHEEL DEVICE, AND SUPERCHARGER |
| JP4726733 | Air purifier with humidification function |
KAYAMA TAKASHI
SHIMIZU YUKIKO
| JPH0233494A | 1990-02-02 | |||
| JP2005098293A | 2005-04-14 |
Ori Akira