Title:
FAN IMPELLER
Document Type and Number:
WIPO Patent Application WO/2010/103797
Kind Code:
A1
Abstract:
A fan impeller having reduced draft resistance and enhanced air blowing performance.
A fan impeller (1) provided with a hub (2) and blades (3) extending radially from the hub (2), wherein the hub (2) is configured by combining oblique flow shape sections (2a) and circular column-like axial flow shape portions (2b, 2d). Each oblique flow shape section (2a) is at least located on each blade (3) on the negative pressure surface (3a) side thereof which is at a portion at which the blade (3) is mounted to the hub (2). The axial flow shape portions (2b, 2d) are located at portions other than the portions at which the oblique flow shape sections (2a) are located.
Inventors:
SAKAI HIROKAZU
KAWAZOE DAISUKE
KAWAZOE DAISUKE
Application Number:
PCT/JP2010/001632
Publication Date:
September 16, 2010
Filing Date:
March 09, 2010
Export Citation:
Assignee:
PANASONIC CORP (JP)
SAKAI HIROKAZU
KAWAZOE DAISUKE
SAKAI HIROKAZU
KAWAZOE DAISUKE
International Classes:
F04D23/00; F04D29/28
Foreign References:
| JP2007162542A | 2007-06-28 | |||
| JPH04265491A | 1992-09-21 | |||
| JP2006063879A | 2006-03-09 |
Attorney, Agent or Firm:
HARADA, YOHEI (JP)
Yohei Harada (JP)
Yohei Harada (JP)
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