Method and apparatus for balancing an electrically assisted...

Details Method and apparatus for balancing an electrically assisted... Method and apparatus for balancing an electrically assisted...

2006-12-11

2011-12-20

Chapman, Jr., John (Department: 2856)

Measuring and testing

Rotor unbalance

Propeller, impeller, or fluid coupling

Reexamination Certificate

active

08079257

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.

REFERENCES:
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patent: 1-200002 (1989-08-01), None
patent: 2002-039904 (2002-02-01), None
patent: 2003-293785 (2003-10-01), None
patent: 2004-116317 (2004-04-01), None
International Search report with Written Opinion of the International Searching Authority in corresponding application No. PCT/JP2006/325127, completed Mar. 6, 2007 and mailed Mar. 22, 2007.

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