Fan blade for allowing airflow with fan in failure condition
US7011503B2 · kind B2 · utility
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1References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 13, 2004 |
| Grant date | Mar 14, 2006 |
| Priority date | — |
| Expiry date | Jun 11, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D27/008
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fan and a fan blade are provided for allowing airflow through the fan blade in a fan failure condition. The fan blade includes a peripheral member defining an opening. A flexible cover member is attached to the peripheral member for covering the fan blade opening during normal operation of the fan. The flexible cover member is hingeably attached to the peripheral member for movement away from the peripheral member enabling airflow through the fan blade opening in a fan failure condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.