Side-channel fan, in particular for supplying combustion air in an independent heater of a motor vehicle
US6071071A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 9, 1998 |
| Grant date | Jun 6, 2000 |
| Priority date | — |
| Expiry date | Dec 9, 2018 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2250/52
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A side-channel fan (1), especially for feeding combustion air in a parking heater (2) of a motor vehicle, with a fan body part (3) in an axial connection to an impeller (4), wherein the fan body part (3) has an inlet channel (5) and an outlet channel (6) and, the axial connection side (7) of the impeller, a bent side channel (8) connecting the inlet channel to the outlet channel, and an interrupter (9), which together form the 360.degree. circumference of the axial connection side (7), and at least one of the openings connecting the side channel (8) to the inlet channel (5) and to the outlet channel (6) is provided with a cover (10) in the area of the axial connection side (7), characterized in that the entire surface of the cover (10) located opposite the axial connection side or surface of the impeller (4) is arranged deeper, i.e., at a distance (d), in relation to the axial connection side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.