Exhaust gas turbocharger

Details Exhaust gas turbocharger Exhaust gas turbocharger

2006-08-01

2006-08-01

Richter, Sheldon J (Department: 3748)

Power plants

Fluid motor means driven by waste heat or by exhaust energy...

With supercharging means for engine

C060S605100, C310S090500, C417S361000, C417S365000

Reexamination Certificate

active

07082763

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 (23through31) 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).

REFERENCES:
patent: 5248239 (1993-09-01), Andrews
patent: 5310311 (1994-05-01), Andres et al.
patent: 5836739 (1998-11-01), Haramura et al.
patent: 6310414 (2001-10-01), Agahi et al.
patent: 6368075 (2002-04-01), Fremerey
patent: 6727617 (2004-04-01), McMullen et al.
patent: 6846167 (2005-01-01), Jaisle
patent: 2003/0155829 (2003-08-01), McMullan et al.
patent: 2004/0088976 (2004-05-01), Jaisle

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