Patents Assigned to Eni Co., Ltd.
  • Patent number: 8228020
    Abstract: An apparatus and method for controlling a hybrid motor, The hybrid motor, uses a permanent magnet instead of a field coil for a rotor, winds a coil round a stator in a multi-phase independent parallel manner, fixes a rectifying type encoder to the rotor and connects a sensor to a driving circuit. The apparatus comprises: an encoder attached to a rotor in cooperation with a pole sensor a speed input unit for generating a speed instruction signal a power switching circuit to generate motor driving signals; a drive module receiving the speed instruction signal and the sensor signal and outputting the speed instruction signal synchronized with the sensor signal as a driving motor signal; a power supply for applying a DC voltage to the power switching circuit; A logic power supply for converting the DC voltage into a logic voltage, and applying logic voltage to the drive module. The motor has n phases, n power switching circuits and n drive modules.
    Type: Grant
    Filed: January 10, 2007
    Date of Patent: July 24, 2012
    Assignee: Eni Co., Ltd.
    Inventors: Dong-Ryul Shin, Pyeong-Hun Cho
  • Publication number: 20090072776
    Abstract: The present invention relates to an apparatus and method for controlling a hybrid motor, and more particularly, to an apparatus and method for controlling a hybrid motor, which uses a permanent magnet instead of a field coil for a rotor, winds a coil round a stator in a multi-phase independent parallel manner, fixes a rectifying type encoder to the rotor and connects a sensor to a driving circuit to smoothly start and rotate the hybrid motor, simplifies the configuration of the hybrid motor and reduce the manufacturing cost of the hybrid motor The apparatus for controlling a hybrid motor having a multi-phase independent parallel stator coil comprises: an encoder attached to a rotor of the hybrid motor and operated in cooperation with a sensor in order to sense the pole of the rotor; the sensor for outputting a sensor signal indicating the polo of the rotor, sensed by the encoder; a speed input unit for generating a speed instruction signal for driving the motor; a power switching circuit for generating signal
    Type: Application
    Filed: January 10, 2007
    Publication date: March 19, 2009
    Applicant: ENI CO., LTD.
    Inventors: Dong-Ryul Shin, Pyeong-Hun Cho