ELECTRIC CENTRIFUGAL COMPRESSOR FOR VEHICLES
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United States of America Patent
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Issued Date -
Jan 23, 2014
app pub date -
Jun 24, 2013
filing date -
Jun 22, 2012
priority date (Note) -
Abandoned
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Abstract
An electric centrifugal compressor for a heat ventilation air conditioning system for vehicles comprises a motor portion (20) and a centrifugal compressor portion (10) driven by the motor portion (20) through a shaft (15). It comprises an electromagnetic device for levitating the shaft (15) during functional operation of the electric compressor and auxiliary landing bearings (8). The electromagnetic device may comprise in particular an axial bearingless motor.
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