Title:
BLOWER
Document Type and Number:
Japanese Patent JP2014062506
Kind Code:
A
Abstract:
To provide a blower directed to both of a low-noise effect and an original blowing performance of a blade.
A blower comprises: a driving motor (300); and a blowing fan (1) having a hub (5) mounted to the driving motor, and plural blades (3) provided to the hub (5). A blade front edge (6) of the blade (3) along the blade front edge (6) is provided with a serration comprising plural triangular protrusions, and a groove part (4) smoothly continued to a valley part (3-1) between the triangular protrusions and directed in a direction of a blade rear edge (7) on a negative pressure face of the blade.
Inventors:
OYA HIDEKI
KAMIYA YOHEI
KAMIYA YOHEI
Application Number:
JP2012208577A
Publication Date:
April 10, 2014
Filing Date:
September 21, 2012
Export Citation:
Assignee:
DENSO CORP
International Classes:
F04D29/38; F04D29/66
Domestic Patent References:
| JP2010203409A | 2010-09-16 | |||
| JP2010096084A | 2010-04-30 | |||
| JP2000087898A | 2000-03-28 | |||
| JPS5740693U | 1982-03-04 | |||
| JP2009068361A | 2009-04-02 |
Foreign References:
| US20030098144A1 | 2003-05-29 |
Attorney, Agent or Firm:
Atsushi Aoki
Tetsuro Shimada
Shinji Mitsuhashi
Yasushi Ohashi
Shinozaki Masami
Tanimitsu Masaharu
Tetsuro Shimada
Shinji Mitsuhashi
Yasushi Ohashi
Shinozaki Masami
Tanimitsu Masaharu
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