Title:
IMPELLER AND CENTRIFUGAL COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2018/179173
Kind Code:
A1
Abstract:
The present invention is provided with: an annular hub 7 having a circularly formed axial cross-section; a plurality of first blades 8 that are arranged on the outer circumferential surface of the hub 7; and a plurality of second blades 9 that are arranged closer to the downstream side in the flow direction of fluid than the rear edges 8b of the first blades 8, in the outer circumferential surface of the hub 7, wherein the number of the second blades 9 is less than a double that of the first blades 8.
Inventors:
IWAKIRI KENICHIRO (JP)
Application Number:
PCT/JP2017/013028
Publication Date:
October 04, 2018
Filing Date:
March 29, 2017
Export Citation:
Assignee:
MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD (JP)
International Classes:
F04D29/30
Foreign References:
| US4615659A | 1986-10-07 | |||
| JP2002349487A | 2002-12-04 | |||
| GB693686A | 1953-07-08 | |||
| JPH0583397U | 1993-11-12 | |||
| JP2012233475A | 2012-11-29 |
Other References:
See also references of EP 3550152A4
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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