Electricity: motive power systems – Battery-fed motor systems
Reexamination Certificate
2008-05-13
2008-05-13
Duda, Rina (Department: 2837)
Electricity: motive power systems
Battery-fed motor systems
C318S442000, C290S005000, C290S010000, C290S027000
Reexamination Certificate
active
07372222
ABSTRACT:
A control device for a motor-driven 4WD (four-wheel-drive) vehicle includes a 42v alternator (motor-generator) driven by an engine to generate three-phase AC power with 42 volts, a step-up and step-down inverter rectifying and stepping down three-phase AC power, generated by the 42v alternator, to DC power with 14 volts, and a 14V battery supplied with and charged with DC power with 14 volts outputted from the step-up and step-down inverter. A diode bridge circuit rectifies AC power with 42 volts, generated by the 42V alternator, to DC power by which a motor is rotationally driven to render the vehicle operative in 4WD drive mode.
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Ishikawa Yasuki
Takanami Wataru
Duda Rina
Foley & Lardner LLP
Nissan Motor Co,. Ltd.
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