Compressor and method for operating a compressor and fuel cell device with a compressor
US8882458B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 4, 2009 |
| Grant date | Nov 11, 2014 |
| Priority date | — |
| Expiry date | Jan 10, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2220/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A compressor with a housing having an air guide section and a bearing section, and a moving part having a compressor wheel and a shaft connected to the compressor wheel in a pivot-proof manner. The shaft is pivot-supported in the bearing section, and the compressor wheel is accommodated in a first chamber of the air guide section in a pivoting manner. The shaft is driveable by an electric motor and at least one radial bearing and one axial bearing are provided for supporting the shaft in the bearing section, wherein the axial bearing has at least one magnetic bearing. The axial bearing includes at least one first bearing and a second bearing, the first bearing configured in the region of the compressor wheel and the second bearing is configured in the region of an end of the moving part facing away from the compressor wheel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.