Title:
A rotary machine provided with an impeller and this
Document Type and Number:
Japanese Patent JP6133748
Kind Code:
B2
Abstract:
The impeller (1) is provided with a disk (11) that rotates about an axis line (O), and a plurality of blades (12) provided at intervals around the circumference of the disk (11). Defining the blade angle (²) of the tip of each blade (12) as a first blade angle, the tip has a constant-tip-angle area in which the first blade angle is constant from an inlet where fluid flows in toward an outlet side, and an increasing-tip-angle area that is continuous with the outlet side of the constant-tip-angle area and that has a gradually increasing first blade angle towards the outlet.
Inventors:
Shuichi Yamashita
Application Number:
JP2013212119A
Publication Date:
May 24, 2017
Filing Date:
October 09, 2013
Export Citation:
Assignee:
MITSUBISHI HEAVY INDUSTRIES,LTD.
Mitsubishi Heavy Industries Compressor Co., Ltd.
Mitsubishi Heavy Industries Compressor Co., Ltd.
International Classes:
F04D29/30; F04D29/66
Domestic Patent References:
| JP2011226398A | ||||
| JP2014109193A | ||||
| JP2010151126A | ||||
| JP2011236919A |
Foreign References:
| US20110173975 |
Attorney, Agent or Firm:
Ryuichiro Mori
Masatake Shiga
Tadashi Takahashi
Tetsuo Yamazaki
Yasushi Matsunuma
Masatake Shiga
Tadashi Takahashi
Tetsuo Yamazaki
Yasushi Matsunuma