Title:
IMPELLER, BLOWER AND CLEANER
Document Type and Number:
Japanese Patent JP2020197214
Kind Code:
A
Abstract:
To provide an impeller capable of improving air blowing efficiency.SOLUTION: An impeller 2 includes: a base portion 21 that can rotate about a center axis extending vertically, and expands outward in a diametrical direction toward a lower side; a plurality of first blades 22 that are aligned in the circumferential direction on an upper surface of the base portion, and extend to one side in the circumferential direction toward an upper side; and a plurality of second blades 23 that are disposed in the circumferential direction between the first blades adjacent in the circumferential direction, and extend to one side in the circumferential direction toward the upper side. An outer end in the diametrical direction of the second blade is disposed on one side in the circumferential direction, rather than a center in the circumferential direction of an outer end in the diametrical direction of the first blade adjacent in the circumferential direction.SELECTED DRAWING: Figure 6
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Inventors:
HAYAMITSU RYOSUKE
Application Number:
JP2020079489A
Publication Date:
December 10, 2020
Filing Date:
April 28, 2020
Export Citation:
Assignee:
NIHON DENSAN KK
International Classes:
F04D29/30; A47L9/00