Fluid movement system and method for determining impeller blade angles for use therewith
US9163516B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 14, 2012 |
| Grant date | Oct 20, 2015 |
| Priority date | — |
| Expiry date | Apr 16, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/685
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fluid movement system that includes an impeller having a blade with a leading edge blade tip angle determined as a function of an increase in mass flow rate due to reinjection of flow from a flow stability device located proximate to the leading edge tip of the blade. In an exemplary method, the leading edge blade tip angle can be determined based on selecting a blade incidence level based on a mass flow gain versus flow coefficient curve. Blade leading edge tip angles determined in accordance with a method of the present invention are typically greater than blade leading edge tip angles determined using traditional methods. The greater blade leading edge tip angles can lead to more robust blades designs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.