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    • 5. 发明授权
    • Evaporative emission leak detection system with brushless motor
    • 具有无刷电机的蒸发排放泄漏检测系统
    • US07004013B2
    • 2006-02-28
    • US10459440
    • 2003-06-12
    • Mitsuyuki KobayashiYoshichika YamadaMasao KanoKenji Nagasaki
    • Mitsuyuki KobayashiYoshichika YamadaMasao KanoKenji Nagasaki
    • G01M3/04
    • F02M25/0809
    • An evaporative emission leak detection system provides for detecting a leakage of a fuel vapor evaporating in a fuel tank by using a pressure difference between an inside and outside of the fuel tank. The system includes a pump for providing the pressure difference between the inside and outside of the fuel tank, a brushless motor for operating the pump, a first passage connecting to the fuel tank, a second passage connecting to the outside of the fuel tank, and a switching device for switching connections between the pump and at least one of the first passage and the second passage. The first passage has an adsorbent for adsorbing the fuel vapor. This system ensures a long life time and high accuracy of the leak detection.
    • 蒸发排放物泄漏检测系统通过使用燃料箱的内部和外部之间的压力差来检测在燃料箱中蒸发的燃料蒸气的泄漏。 该系统包括用于提供燃料箱内部和外部之间的压力差的泵,用于操作泵的无刷电动机,连接到燃料箱的第一通道,连接到燃料箱外部的第二通道,以及 用于切换泵与第一通道和第二通道中的至少一个之间的连接的开关装置。 第一通道具有用于吸附燃料蒸气的吸附剂。 该系统确保了长时间的使用和高精度的泄漏检测。
    • 6. 发明申请
    • Leakage detecting device for evaporating fuel processing apparatus
    • 用于蒸发燃料处理装置的泄漏检测装置
    • US20060016253A1
    • 2006-01-26
    • US11183742
    • 2005-07-19
    • Mitsuyuki KobayashiYoshichika YamadaMasao KanoKoichi Inagaki
    • Mitsuyuki KobayashiYoshichika YamadaMasao KanoKoichi Inagaki
    • G01M19/00
    • F02M25/0818F02M25/089F02M2025/0845
    • A leakage detecting device is connected to an evaporating fuel processing apparatus to detect leakage of evaporating fuel in a ventilation apparatus that includes an electric pump, a fuel tank, and a filter. The electric pump includes a pump portion and a motor portion. The pump portion is capable of generating at least one of pressurizing force and de-pressurizing force. The motor portion drives the pump portion. The filter absorbs fuel evaporating in the fuel tank. The leakage detecting device generates pressure difference between the inside of the ventilation apparatus and the outside of the ventilation apparatus in accordance with the pressurizing force and the de-pressurizing force generated using the electric pump to detect a leakage condition of the ventilation apparatus. The leakage detecting device includes a rotation speed controlling means that controls rotation speed of the motor portion at a predetermined rotation speed.
    • 泄漏检测装置连接到蒸发燃料处理装置,以检测包括电动泵,燃料箱和过滤器的通风装置中的蒸发燃料的泄漏。 电动泵包括泵部和电动机部。 泵部能够产生加压力和减压力中的至少一个。 马达部分驱动泵部分。 过滤器吸收在燃料箱中蒸发的燃料。 泄漏检测装置根据使用电动泵产生的加压力和减压力,在通气装置的内部和通气装置的外部之间产生压力差,以检测通气装置的泄漏状况。 泄漏检测装置包括以预定旋转速度控制马达部分的转速的转速控制装置。
    • 7. 发明授权
    • Electrically-driven position changing apparatus
    • 电动位置更换装置
    • US06230576B1
    • 2001-05-15
    • US09406136
    • 1999-09-27
    • Yoshichika YamadaMasashi HoriHironori Asa
    • Yoshichika YamadaMasashi HoriHironori Asa
    • F16H5900
    • F16H61/32F16H59/08F16H61/12F16H2061/326F16H2063/423Y10T74/19251Y10T74/2003
    • A single actuator such as an electric motor is used to actuate a shift range changing mechanism of an automatic transmission. The motor has a plurality of torque generating units each of which is capable of generating a torque sufficient to effect any shift range changes of the shift range changing mechanism. All of the torque generating units are driven electrically normally in response to a shift range change command. Operation of each torque generating unit is monitored separately from each other. When one of the torque generating units fails in operation, the torque generating unit in failure is not driven but the other torque generating units are driven to effect a shift range change. The failure of the torque generating units is indicated on an indicator in a vehicle. The motor may be a brushless type or a reluctance type.
    • 使用诸如电动机的单个致动器来致动自动变速器的换档范围改变机构。 电动机具有多个转矩发生单元,每个转矩产生单元能够产生足以实现变速范围变换机构的任何变速范围变化的转矩。 所有扭矩产生单元响应于换档范围改变命令而被正常地驱动。 每个扭矩产生单元的操作被彼此分离地监控。 当其中一个转矩发生单元运行失败时,失效的转矩发生单元不被驱动,而是驱动其他转矩产生单元来实现变速范围变化。 扭矩产生单元的故障在车辆的指示器上指示。 马达可以是无刷型或磁阻型。