Turbine wheel, turbine, and turbocharger
US12025024B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 24, 2021 |
| Grant date | Jul 2, 2024 |
| Priority date | — |
| Expiry date | Aug 24, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A turbine wheel according to at least one embodiment is a turbine wheel connected to a rotational shaft and configured to rotate about an axis and includes: a hub having a hub surface oblique to the axis in a cross-section along the axis; and a plurality of blades disposed on the hub surface. The turbine wheel includes a plurality of passages each of which is formed between two adjacent blades of the plurality of blades, and a relationship of Aen/Aave>1.01 is satisfied, where Aen is an area of a throat portion of a throat enlarged passage which is at least one of the plurality of passages, and Aave is an average area of throat portions of the plurality of passages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.