Fastening of Rotor Magnets on the Shaft of a Compressor Arrangement
The present invention relates to a compressor arrangement for compressing fresh air for internal combustion engines, comprising a compressor wheel (3) and an electric motor (4) having at least one stator (4b) and at least one rotor (4a) having a rotor magnet (4c) and a rotor gap between the rotor (4...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The present invention relates to a compressor arrangement for compressing fresh air for internal combustion engines, comprising a compressor wheel (3) and an electric motor (4) having at least one stator (4b) and at least one rotor (4a) having a rotor magnet (4c) and a rotor gap between the rotor (4a) and stator (4b), the rotor gap being designed such that when the compressor wheel rotates, at least 50%, preferably at least 90%, especially preferably 100% of the air mass flow to be compressed is fed through the rotor gap, wherein the compressor wheel (3) is mounted on a shaft (8) or contains said shaft (3a) and at least one rotor magnet (4c) or a carrier (20) for holding the rotor magnet is mountable as a separate part on said shaft and may be bolted, splinted, glued, shrunk, or secured by form-fit to said shaft to prevent rotation. Thus, an energy-saving and very fast-acting compressor for motor vehicles is provided that can particularly be produced on a large industrial scale, cost-effectively, and quickly. |
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