Title:
TURBINE WHEEL, TURBINE, AND TURBOCHARGER
Document Type and Number:
WIPO Patent Application WO/2022/054561
Kind Code:
A1
Abstract:
A turbine wheel according to at least one embodiment of the present invention is connected to a rotary shaft so as to rotate about the axial line, and comprises, in a cross-section along the axial line, a hub having a hub surface inclined with respect to the axial line, and a plurality of blades provided to the hub surface. The turbine wheel includes a plurality of flow channels formed between two adjacent blades, and satisfies the relationship of Aen/Aave>1.01, where Aen represents an area of a throat part of a throat expansion flow channel which is at least one of the flow channels and Aave represents an average area of throat parts of the flow channels.
Inventors:
ISHIKAWA YOSHIHIRO (JP)
HOSHI TORU (JP)
OKA NOBUHITO (JP)
HOSHI TORU (JP)
OKA NOBUHITO (JP)
Application Number:
PCT/JP2021/030932
Publication Date:
March 17, 2022
Filing Date:
August 24, 2021
Export Citation:
Assignee:
MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD (JP)
International Classes:
F01D5/04; F01D1/08; F02B39/00
Domestic Patent References:
| WO2020110257A1 | 2020-06-04 |
Foreign References:
| US20190085868A1 | 2019-03-21 | |||
| US20200232330A1 | 2020-07-23 | |||
| JPH0649701U | 1994-07-08 | |||
| JP2009108791A | 2009-05-21 |
Attorney, Agent or Firm:
SEISHIN IP PATENT FIRM, P.C. (JP)
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