Patents Assigned to Hitachi, Lyd.
  • Patent number: 6755267
    Abstract: The present invention aims to provide an electric vehicle which provides good usability for a user and is economical and to provide a control device for an electric vehicle, which is high in reliability. An AC motor is used as a motor for driving running or driving wheels, and DC motors are respectively used as a steering auxiliary motor and a motor for driving a forklift device. Further, in order to achieve the above aim, an inverter circuit and chopper circuits are connected in parallel with a battery, and an electrolytic capacitor is connected in parallel with the inverter circuit, whereas an electrolytic capacitor is connected in parallel with the chopper circuit.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: June 29, 2004
    Assignees: Hitachi, Lyd., Hitachi Car Engineering Co., Ltd.
    Inventors: Hiroyuki Yamada, Minoru Kaminaga, Kazuhito Ishida, Kaname Sasaki