Electrical transmission or interconnection systems – Vehicle mounted systems
Reexamination Certificate
2007-03-06
2007-03-06
Sircus, Brian (Department: 2836)
Electrical transmission or interconnection systems
Vehicle mounted systems
Reexamination Certificate
active
10646776
ABSTRACT:
To provide a power supply apparatus for an electric vehicle wherein the insulation of a power supply line for supplying a drive voltage to an electric motor can be simplified and the cost for the insulation can be reduced. A power supply apparatus for an electric vehicle includes batteries for driving a motor and general electric parts. An node A of an intermediate voltage of 24 V between a drive voltage of 48 V of the batteries and the ground voltage is connected to a ground line for the general electric parts. An inverter produces a voltage to be applied to the general electric parts based on the drive voltage of 48 V of the batteries and the intermediate voltage of 24 V. By adjusting the duty ratio of the inverter, a voltage of AC 24 V or AC 12 V can be applied to the general electric parts.
REFERENCES:
patent: 4479083 (1984-10-01), Sullivan
patent: 6674180 (2004-01-01), Gale et al.
patent: 2002/0003525 (2002-01-01), Hwang
patent: 2003/0012038 (2003-01-01), Welches et al.
patent: 06115479 (1994-04-01), None
Birch & Stewart Kolasch & Birch, LLP
Honda Giken Kogyo Kabushiki Kaisha
Parries Dru
Sircus Brian
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