Title:
BLOWER IMPELLER
Document Type and Number:
Japanese Patent JP2019011734
Kind Code:
A
Abstract:
To provide a blower impeller capable of taking measures against cavitation in a low flow rate range while improving a secondary flow.SOLUTION: A blower impeller 1 comprises: a back shroud 11 formed in a disc shape and capable of inserting a rotation shaft in the center thereof; and a plurality of blades 12 installed upright on one principal surface of the back shroud 11 and the cross-sectional shape has a shape bent at least one inflection point.SELECTED DRAWING: Figure 2
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Inventors:
YAMASHITA EIGO
KINOSHITA TATSUYA
TAKAHASHI TOSHIZO
UMEMOTO SHOHEI
KINOSHITA TATSUYA
TAKAHASHI TOSHIZO
UMEMOTO SHOHEI
Application Number:
JP2017129612A
Publication Date:
January 24, 2019
Filing Date:
June 30, 2017
Export Citation:
Assignee:
KAWAMOTO PUMP MFG
International Classes:
F04D29/24; F04D29/66
Domestic Patent References:
| JP2010053803A | 2010-03-11 | |||
| JP2013117233A | 2013-06-13 | |||
| JP2015187449A | 2015-10-29 | |||
| JP2013104417A | 2013-05-30 | |||
| JP2010151126A | 2010-07-08 | |||
| JP2017078386A | 2017-04-27 |
Foreign References:
| US20150345511A1 | 2015-12-03 |
Attorney, Agent or Firm:
Kurata Masatoshi
Nobuhisa Nogawa
Naoki Kono
Nobuhisa Nogawa
Naoki Kono