Title:
IMPELLER AND CENTRIFUGAL COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2016/157584
Kind Code:
A1
Abstract:
An impeller equipped with a disc-shaped disc 30 centered around an axial line O, and multiple blades 40 provided at intervals in the circumferential direction on one side of the disc 30 in the axial line O direction and forming flow paths extending radially outward from one side in the axial line O direction. The blades 40 have a low-rigidity region, which includes the inlet and/or the outlet of the extension region of the flow paths, has a relatively small plate thickness, and has a relatively small tilt angle with respect to the disc 30, and a high-rigidity region, which is adjacent to the low-rigidity region, has a relatively large plate thickness, and has a relatively large tilt angle with respect to the disc 30.
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Inventors:
YANAGISAWA SHIN (JP)
YAGI NOBUYORI (JP)
MASUTANI JO (JP)
CHIBA KAZUKI (JP)
YAGI NOBUYORI (JP)
MASUTANI JO (JP)
CHIBA KAZUKI (JP)
Application Number:
PCT/JP2015/080075
Publication Date:
October 06, 2016
Filing Date:
October 26, 2015
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
MITSUBISHI HEAVY IND COMPRESSOR CORP (JP)
MITSUBISHI HEAVY IND COMPRESSOR CORP (JP)
International Classes:
F04D29/28; F04D29/30
Domestic Patent References:
| WO1999036701A1 | 1999-07-22 |
Foreign References:
| JP2009243394A | 2009-10-22 | |||
| JP2012520412A | 2012-09-06 | |||
| JPS6385296A | 1988-04-15 | |||
| JP2014092138A | 2014-05-19 | |||
| US20110173975A1 | 2011-07-21 | |||
| JP2013104417A | 2013-05-30 | |||
| JP2012219779A | 2012-11-12 | |||
| DE10200951A1 | 2003-08-14 |
Attorney, Agent or Firm:
MORI Ryuichirou et al. (JP)
Woods Ryuichiro (JP)
Woods Ryuichiro (JP)
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