Method and apparatus for balancing an electrically assisted turbocharger rotor
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United States of America Patent
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Dec 20, 2011
Grant Date -
Jul 23, 2009
app pub date -
Dec 11, 2006
filing date -
Jan 10, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A rotation is corrected by rotationally driving a supercharger rotor (a turbine impeller (2), a compressor impeller (6) and a shaft (12)) by an electric motor (18) in a state of detaching a turbine housing (4) and a compressor housing (8), and detecting data necessary for correcting the rotation inbalance of a motor-driven supercharger (10). Further, the electric motor (18) is driven by using a dedicated motor driver (27) supplying a larger electric power than a power supply of an acceleration assisting motor driver.
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