Title:
AIR BLOWER
Document Type and Number:
Japanese Patent JP2016166558
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an air blower capable of sufficiently suppressing noise.SOLUTION: An air blower has a plurality of blades 12, and includes an axial flow fan 10 configured to generate air flow with rotation, and in the air blower, at a part of a front edge part 123 of the blade 12, formed is a serration 40 comprising a plurality of crest parts 41 projecting in a tapered manner. On a negative pressure surface 121, out of a positive pressure surface 122 and the negative pressure surface 121 in the blade 12, formed is a recess part 51 extending from a trough part 42 formed between crest parts 41 adjacent in the a plurality of crest parts 41 to a rear edge part 124 of the blade 12.SELECTED DRAWING: Figure 3
Inventors:
YOSHIDA KENJI
KOMURA MASATO
KOMURA MASATO
Application Number:
JP2015046153A
Publication Date:
September 15, 2016
Filing Date:
March 09, 2015
Export Citation:
Assignee:
DENSO CORP
NIPPON SOKEN
NIPPON SOKEN
International Classes:
F04D29/38; F04D29/66
Domestic Patent References:
| JPS5773400U | 1982-05-06 | |||
| JPS57202800U | 1982-12-23 | |||
| JPS57202798U | 1982-12-23 | |||
| JP2014062506A | 2014-04-10 | |||
| JPH07158591A | 1995-06-20 |
Foreign References:
| US20140338388A1 | 2014-11-20 | |||
| GB2507493A | 2014-05-07 | |||
| DE102010023017A1 | 2011-12-08 | |||
| CN102465917A | 2012-05-23 |
Attorney, Agent or Firm:
Patent Business Corporation Yuai Patent Office