Title:
IMPELLER AND ROTARY MACHINE PROVIDED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2015/053051
Kind Code:
A1
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 vane angle (β) of the tip of each blade (12) as a first vane angle, the tip has a constant-tip-angle area in which the first vane 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 vane angle towards the outlet.
Inventors:
YAMASHITA SHUICHI (JP)
Application Number:
PCT/JP2014/074448
Publication Date:
April 16, 2015
Filing Date:
September 16, 2014
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
MITSUBISHI HEAVY IND COMPRESSOR CORP (JP)
MITSUBISHI HEAVY IND COMPRESSOR CORP (JP)
International Classes:
F04D29/30; F04D29/66
Foreign References:
| JP2011226398A | 2011-11-10 | |||
| JP2010151126A | 2010-07-08 | |||
| JP2014109193A | 2014-06-12 | |||
| JP2011236919A | 2011-11-24 | |||
| JP4888436B2 | 2012-02-29 |
Other References:
See also references of EP 3056741A4
Attorney, Agent or Firm:
MORI Ryuichirou et al. (JP)
Ryuichiro Mori (JP)
Ryuichiro Mori (JP)
Download PDF: