Title:
IMPELLER
Document Type and Number:
Japanese Patent JP2020012381
Kind Code:
A
Abstract:
To provide an impeller capable of improving the strength of vanes and increasing the quantity of air.SOLUTION: An impeller 1 which is rotated around its center axis extending vertically includes a plurality of vanes 20 arranged in the peripheral direction, a base part 30 expanding in the radial direction and connected to the lower ends of the plurality of vanes, and a supporting frame 40 connecting the upper parts of the plurality of vanes, the vanes each having a vane upper part extending vertically in parallel to the center axis, and a vane lower part 22 located below the vane upper part 21 and extending vertically while inclining peripherally at a predetermined inclination angle to the center axis. The radial outer end of the vane upper part is connected to the supporting frame.SELECTED DRAWING: Figure 1
Inventors:
YOSHINO SHINGO
Application Number:
JP2018132921A
Publication Date:
January 23, 2020
Filing Date:
July 13, 2018
Export Citation:
Assignee:
NIHON DENSAN KK
International Classes:
F04D29/30
Attorney, Agent or Firm:
Sano patent office