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    • 6. 发明授权
    • Electrically operated hydraulic pump
    • 电动液压泵
    • US07927079B2
    • 2011-04-19
    • US11862911
    • 2007-09-27
    • Shigemitsu SuzukiShigeharu YamamotoNaoto Toma
    • Shigemitsu SuzukiShigeharu YamamotoNaoto Toma
    • F04B49/10F04B49/06H02P6/04H02P6/18
    • F04C14/08F04C2/102F04C11/008F04C2270/052F04C2270/11F04C2270/19
    • An electrically operated hydraulic pump having a pump portion and a motor portion includes rotation controlling means controlling rotation of a rotor, first rotor position detecting means detecting rotational position of the rotor on the basis of speed electromotive force induced by exciting coils, second rotor position detecting means detecting the rotational position of the rotor on the basis of magnetic field of a magnet provided at the motor portion, and motor operating condition detecting means detecting operating condition of the motor portion. The rotation controlling means switches a first rotation controlling based on the rotational position of the rotor detected by the first rotor position detecting means, and a second rotation controlling based on the rotational position of the rotor detected by the second rotor position detecting means, on the basis of a result detected by the motor operating condition detecting means.
    • 具有泵部和电动机部的电动液压泵包括控制转子旋转的旋转控制装置,第一转子位置检测装置,基于由励磁线圈感应的速度电动势检测转子的旋转位置,第二转子位置检测 意味着基于设置在电动机部分的磁体的磁场检测转子的旋转位置,以及电动机操作条件检测装置,用于检测电动机部分的运行状态。 旋转控制装置基于由第一转子位置检测装置检测的转子的旋转位置和基于由第二转子位置检测装置检测的转子的旋转位置进行的第二旋转控制切换第一旋转控制, 由电动机运行条件检测装置检测到的结果的基础。
    • 8. 发明申请
    • ELECTRICALLY OPERATED HYDRAULIC PUMP
    • 电动液压泵
    • US20080075608A1
    • 2008-03-27
    • US11862911
    • 2007-09-27
    • Shigemitsu SUZUKIShigeharu YamamotoNaoto Toma
    • Shigemitsu SUZUKIShigeharu YamamotoNaoto Toma
    • F04B17/03
    • F04C14/08F04C2/102F04C11/008F04C2270/052F04C2270/11F04C2270/19
    • An electrically operated hydraulic pump having a pump portion and a motor portion includes rotation controlling means controlling rotation of a rotor, first rotor position detecting means detecting rotational position of the rotor on the basis of speed electromotive force induced by exciting coils, second rotor position detecting means detecting the rotational position of the rotor on the basis of magnetic field of a magnet provided at the motor portion, and motor operating condition detecting means detecting operating condition of the motor portion. The rotation controlling means switches a first rotation controlling based on the rotational position of the rotor detected by the first rotor position detecting means, and a second rotation controlling based on the rotational position of the rotor detected by the second rotor position detecting means, on the basis of a result detected by the motor operating condition detecting means.
    • 具有泵部和电动机部的电动液压泵包括控制转子旋转的旋转控制装置,第一转子位置检测装置,基于由励磁线圈感应的速度电动势检测转子的旋转位置,第二转子位置检测 意味着基于设置在电动机部分的磁体的磁场检测转子的旋转位置,以及电动机操作条件检测装置,用于检测电动机部分的运行状态。 旋转控制装置基于由第一转子位置检测装置检测的转子的旋转位置和基于由第二转子位置检测装置检测的转子的旋转位置进行的第二旋转控制切换第一旋转控制, 由电动机运行条件检测装置检测到的结果的基础。