Wear resistant fan blade for centrifugal fan
US4441857A · kind A · utility
14Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 1981 |
| Grant date | Apr 10, 1984 |
| Priority date | — |
| Expiry date | Sep 25, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S415/914
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In a centrifugal fan having radially directed fan blades, each having, in combination, a serrated surface forming in longitudinal cross-section a sawtooth configuration in the radial direction of the rotating blade with a wear resistant coating over a substantial area of the serrated surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.