AIR BLOWER

WIPO Patent Application WO/2018/135069

A1

The air blower 10 according to the present embodiment is provided with a housing 11, a motor 12, and a fan 13. The housing 11 is provided with: an air inlet 17a through which external air is taken in; a storage chamber LR which is in communication with the air inlet 17a; and an air outlet 17b through which the air inside the storage chamber LR is discharged to the outside. The motor 12 is disposed within the storage chamber LR in the housing 11, and provided with a coil 126. The fan 13 is disposed on the rotary shaft of the motor 12, and takes external air from the air inlet 17a into the storage chamber LR, and sends the air to the air outlet 17b from the storage chamber LR. The fan 13 is provided with: a plurality of plate-shaped blades 131 that are disposed on a first surface 13a of the fan 13 so as to extend radially from the rotation center CO of the fan toward the periphery thereof; and a plurality of grooves 133 that are disposed in a second surface 13b of the fan 13, which is opposed to the first surface, at locations opposed to the intervals between adjacent blades 131, so as to extend radially from the center CO of the fan toward the periphery thereof.

WO/2014/034942	BLOWER
WO/2021/065674	TURBOFAN
JP5197462	Bonding structure of impeller and shaft

AKABANE YOSHINORI (JP)
YANAGI SHOGO (JP)

PCT/JP2017/039157

July 26, 2018

October 30, 2017

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NIDEC COPAL ELECTRONICS CORP (JP)

F04D29/28

JP2002202094A	2002-07-19
JPS62195699U	1987-12-12
JPS59179297U	1984-11-30
US20050134126A1	2005-06-23

S & S INTERNATIONAL PPC (JP)

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