Title:
CIRCULATING FAN AND AIR-CONDITIONER EQUIPPED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2012/063404
Kind Code:
A1
Abstract:
Provided is a circulating fan (8) equipped with at least two rings (8b) arranged at intervals in the direction of the rotational axis O of the fan, and an impeller (8a) having multiple blades (20) arranged at intervals in the circumferential direction of the rings (8b) between successive rings (8b), wherein the blades (20) are divided into multiple regions in the direction of the rotational axis O, with both end portions adjacent to the rings (8b) being the blade ring vicinity part (20a), the central portion of the blades (20) being the blade-ring-interval central part (20b), and the blade inner circumferential end part (20c) at the inner circumferential end of the impeller (8a) being formed thinner at the blade-ring-interval central part (20b) than at the blade ring vicinity part (20a).
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Inventors:
IKEDA TAKASHI (JP)
TADOKORO TAKAHIDE (JP)
HAMADA SHINGO (JP)
SHIROTA MITSUHIRO (JP)
TADOKORO TAKAHIDE (JP)
HAMADA SHINGO (JP)
SHIROTA MITSUHIRO (JP)
Application Number:
PCT/JP2011/005717
Publication Date:
May 18, 2012
Filing Date:
October 12, 2011
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
IKEDA TAKASHI (JP)
TADOKORO TAKAHIDE (JP)
HAMADA SHINGO (JP)
SHIROTA MITSUHIRO (JP)
IKEDA TAKASHI (JP)
TADOKORO TAKAHIDE (JP)
HAMADA SHINGO (JP)
SHIROTA MITSUHIRO (JP)
International Classes:
F04D17/04; F04D29/26; F24F1/00
Foreign References:
JPS591900U | 1984-01-07 | |||
JP2001050556A | 2001-02-23 | |||
JP2011099408A | 2011-05-19 | |||
JP2001323891A | 2001-11-22 | |||
JPH1077988A | 1998-03-24 |
Other References:
See also references of EP 2639458A4
Attorney, Agent or Firm:
KOBAYASHI, Hisao et al. (JP)
Hisao Kobayashi (JP)
Hisao Kobayashi (JP)
Download PDF:
Claims: