Cooling fan dust seal
US6585497B2 · kind B2 · utility
0Cited by
6References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 5, 2001 |
| Grant date | Jul 1, 2003 |
| Priority date | — |
| Expiry date | Oct 5, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/083
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A cooling fan dust guard has provided on the inner side of fan blades ribs and recess that mutually form an overcut height difference with a bushing opening so to prevent the airflow carrying dust an easy ingression and even keep off the flying dust from entering into the spindle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.