Title:
インペラ
Document Type and Number:
Japanese Patent JP6971662
Kind Code:
B2
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
Inventors:
Eigo Yamashita
Tatsuya Kinoshita
Rizo Takahashi
Umemoto Shohei
Tatsuya Kinoshita
Rizo Takahashi
Umemoto Shohei
Application Number:
JP2017129612A
Publication Date:
November 24, 2021
Filing Date:
June 30, 2017
Export Citation:
Assignee:
Kawamoto Manufacturing Co., Ltd.
International Classes:
F04D29/24; F04D29/66
Domestic Patent References:
| JP2010053803A | ||||
| JP2013117233A | ||||
| JP2015187449A | ||||
| JP2013104417A | ||||
| JP2010151126A | ||||
| JP2017078386A |
Foreign References:
| US20150345511 |
Attorney, Agent or Firm:
Kurata Masatoshi
Nobuhisa Nogawa
Naoki Kono
Nobuhisa Nogawa
Naoki Kono