Exhaust gas turbocharger
US7082763B2 · kind B2 · utility
3Cited by
7References
32Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 8, 2003 |
| Grant date | Aug 1, 2006 |
| Priority date | — |
| Expiry date | Mar 17, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2360/24
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The invention concerns an exhaust gas turbocharger (1) having a shaft (2) on which a turbine wheel (4) and a compressor wheel (3) sit and which is guided in radial bearings (5, 6) and in at least one axial bearing (9), which is characterized in that the radial bearings (5, 6) are embodied as passive magnetic bearings having permanent magnets (23 through 31) generating axial magnetic fluxes; and the axial bearing (9) is embodied as an active magnetic bearing having an electromagnet (55), an axial sensor, and a controller for controlling the electrical current impinging upon the electromagnet (55).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.