Elliptical propeller and windmill blade assembly
US6302652A · kind A · utility
36Cited by
7References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 24, 1998 |
| Grant date | Oct 16, 2001 |
| Priority date | — |
| Expiry date | Dec 24, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/72
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Non-planar propellers or windmill blade assemblys are proposed which have tips that are curved to point in the same direction as the axis of rotation of the propeller. This non-conventional design results in a stronger, stiffer, and more efficient propeller or windmill.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.