Title:
MULTIVANE BLOWER
Document Type and Number:
WIPO Patent Application WO/2019/082378
Kind Code:
A1
Abstract:
This multivane blower is provided with an impeller. The impeller includes: a plurality of vanes arranged circumferentially; and a main plate which supports the plurality of vanes. In a first cross-section of the impeller, each of the plurality of vanes has an inner circumferential edge and an outer circumferential edge. The plurality of vanes include a plurality of first vanes and a plurality of second vanes. In the first cross-section, the plurality of first vanes each have a vane length greater than the plurality of second vanes. In the first cross-section, the distance between the rotating shaft and the inner circumferential edge of each of the plurality of first vanes is less than the distance between the rotating shaft and the inner circumferential edge of each of the plurality of second vanes. Among the plurality of second vanes, at least one second vane is disposed between two of the first vanes, which are circumferentially adjacent to each other.
Inventors:
KATO YASUAKI (JP)
TERAMOTO TAKUYA (JP)
HORIE RYO (JP)
TERAMOTO TAKUYA (JP)
HORIE RYO (JP)
Application Number:
PCT/JP2017/038914
Publication Date:
May 02, 2019
Filing Date:
October 27, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F04D29/30
Foreign References:
| JP2000240590A | 2000-09-05 | |||
| JP2002070793A | 2002-03-08 | |||
| JPH01113196U | 1989-07-31 | |||
| JPH05321891A | 1993-12-07 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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