Air filter and fan device for vehicle ventilation systems
US7879122B2 · kind B2 · utility
5Cited by
14References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2008 |
| Grant date | Feb 1, 2011 |
| Priority date | — |
| Expiry date | Mar 4, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/703
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An air filter and fan device for a vehicle ventilation system is disclosed that, in direction of air flow, includes an air filter, an impeller, and a flow-off channel. A casing is provided that accommodates the impeller and the flow-off channel in an enclosing manner such that the impeller is established with double-suction, receiving air from the air filter from both a first side and a second side or the impeller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.