Electricity: motive power systems – Battery-fed motor systems
Reexamination Certificate
2008-10-03
2011-11-08
Duda, Rina (Department: 2837)
Electricity: motive power systems
Battery-fed motor systems
C318S801000
Reexamination Certificate
active
08054012
ABSTRACT:
A motor driving apparatus having a converter, which receives AC voltage and converts it to DC power, and an inverter, which receives the DC power and converts it to AC power, includes a charge/discharge control circuit and a capacitor connected in parallel to a link section between the converter and the inverter, and energy stored in the capacitor C8is charged and discharged at arbitrary timing by the charge/discharge control circuit. The invention thus provides a motor driving apparatus that supplies energy to a motor so that the peak of the input current from a power supply to the motor can also be suppressed when particularly large energy is needed during the second half period of motor acceleration.
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Office Action of Chinese Patent Application No. 2008101661097 mailed Jan. 22, 2010.
Notice of Reasons for Rejection for JP 2008-231275 dated Dec. 26, 2008.
Notice of Reasons for Rejection for JP2008-231275 mailed May 19, 2009.
Hanyu Shigeki
Iwashita Yasusuke
Matsubara Shunsuke
Sakai Koujirou
Shirouzu Masatomo
Duda Rina
Fanuc Ltd
Lowe Hauptman & Ham & Berner, LLP
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