Title:
BLOWING DEVICE AND CLEANER EQUIPPED WITH THE SAME
Document Type and Number:
Japanese Patent JP2018105269
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a blowing device capable of improving the cooling efficiency of a stator, and a cleaner equipped with the blowing device.SOLUTION: A blowing device is equipped with an impeller 10 which rotates about a center axis C vertically extending; a motor 20 which is disposed under the impeller, has a stator 24, and rotates the impeller; a motor housing 21 which stores the stator; and a fan casing 2 which stores the impeller and the motor housing and configures a first channel 5 in a clearance between the motor housing and the fan casing. An upper part of the fan casing covers an upper part of the impeller and has an intake port 3 vertically opening. On a lower part of the fan casing, an exhaust port 4 communicating with the intake port through the first channel is provided. The motor housing is provided with an inflow port 21a penetrating in a diametrical direction and communicating with the first channel, on a lower part than an upper surface of the stator fixed to an inner surface of the motor housing. The motor housing has a second flow path 6 extending upward from the inflow port and communicated with a space above the stator.SELECTED DRAWING: Figure 4
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Inventors:
HAYAMITSU RYOSUKE
Application Number:
JP2016254622A
Publication Date:
July 05, 2018
Filing Date:
December 28, 2016
Export Citation:
Assignee:
NIHON DENSAN KK
International Classes:
F04D29/58; A47L9/00; F04D23/00; H02K5/20; H02K7/14