Cavitation and noise reduction in axial flow rotors
US12017742B2 · kind B2 · utility
0Cited by
5References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 11, 2018 |
| Grant date | Jun 25, 2024 |
| Priority date | — |
| Expiry date | Sep 1, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2240/20
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A propeller, impeller or mixer comprising at least one blade, the blade having a suction surface and a pressure surface which extend from a leading edge to a trailing edge of the blade and a radially-outer tip region, wherein five to one hundred duct openings are provided extending through the at least one blade from the pressure surface to the suction surface, the duct openings being grouped in the tip region of the blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.