Title:
AIR-BLOWING DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/150711
Kind Code:
A1
Abstract:
An air-blowing device (1) comprises an impeller (4), a motor part (5), and a frame (6). Anti-backflow blades (7) projecting out from impeller blade rear edges (3a) are provided to respective impeller blades (3). The anti-backflow blades (7) are parallel to an upstream end surface (12) of a motor (13), and an anti-backflow blade radius (7a) of the anti-backflow blades (7) from a rotating shaft (10) is either equal to or less than a motor radius (13a) of the motor (13) from the rotating shaft (10).
Inventors:
TANAKA YUURI
NAGATA ATSUSHI
FUJISONO TAKASHI
NAGATA ATSUSHI
FUJISONO TAKASHI
Application Number:
PCT/JP2013/001196
Publication Date:
October 10, 2013
Filing Date:
February 28, 2013
Export Citation:
Assignee:
PANASONIC CORP (JP)
International Classes:
F04D25/08; F04D29/28; F04D25/12
Foreign References:
| JPS5639891U | 1981-04-14 | |||
| JPS60156998A | 1985-08-17 | |||
| JPS6483899A | 1989-03-29 | |||
| JPH0542700U | 1993-06-11 | |||
| JP2004144033A | 2004-05-20 | |||
| JPH0412198A | 1992-01-16 |
Attorney, Agent or Firm:
NAITO, Hiroki et al. (JP)
Hiroki Naito (JP)
Hiroki Naito (JP)
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