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    • 8. 发明申请
    • LINEAR ACTUATOR
    • 线性执行器
    • US20110259673A1
    • 2011-10-27
    • US13127719
    • 2009-10-14
    • Isao HayaseKenji HirakuMasaru YamasakiMasami Ochiai
    • Isao HayaseKenji HirakuMasaru YamasakiMasami Ochiai
    • F16H25/20B66F9/24
    • B66F3/08B66F9/08F16D41/066F16H25/2454Y10T74/18704
    • In a method for utilizing a wedge engagement mechanism as means for retaining an output shaft without requiring a large driving power, there is a need for preventing fatigue life of an actuator from being reduced as a result of stress at contacting portions of parts of wedge engagement portions of the wedge engagement mechanism becoming large.In a linear actuator that converts rotary motion of a drive unit for rotation to linear motion through a rotary motion-to-linear motion conversion mechanism, a one-way mechanism is disposed upstream of the rotary motion-to-linear motion conversion mechanism in a rotational drive path, to thereby inhibit, with a small wedge engagement force, the output shaft from being driven by an external force, achieving reduction in the stress at the contacting portions.
    • 在利用楔形接合机构作为用于保持输出轴而不需要大的驱动力的装置的方法中,需要防止致动器的疲劳寿命由于在楔接合部分的接触部分处的应力而减小 楔接合机构的部分变大。 在将驱动单元的旋转运动通过旋转运动直线运动转换机构转换成线性运动的线性致动器中,单向机构设置在旋转运动直线运动转换机构的上游, 旋转驱动路径,从而以小的楔形接合力阻止输出轴被外力驱动,从而实现接触部分处的应力的减小。
    • 9. 发明申请
    • OIL-FLOODED SCREW COMPRESSOR, MOTOR DRIVE SYSTEM, AND MOTOR CONTROL DEVICE
    • 油压螺杆压缩机,电机驱动系统和电动机控制装置
    • US20100028165A1
    • 2010-02-04
    • US12533097
    • 2009-07-31
    • Hirotaka KAMEYAMasaru YamasakiToshiyuki AjimaMasaharu SenooHideharu TanakaNorinaga Suzuki
    • Hirotaka KAMEYAMasaru YamasakiToshiyuki AjimaMasaharu SenooHideharu TanakaNorinaga Suzuki
    • F04B49/00F04B35/04F04C29/04H02P1/04
    • F04B17/03F04C18/16F04C28/06F04C28/08F04C2270/051F04C2270/19F04C2270/701
    • When an oil-flooded screw compressor is started up in a cold environment after a long halt, start-up torque increases due to the increased viscosity of the oil that has long stayed inside the working chambers of the compressor. This has necessitated drive means with a larger capacity than that required for normal operation.An oil-flooded screw compressor according to the invention comprises: a casing; a pair of rotors each having screw-thread-shaped groove and being housed in the casing; an electric motor for rotationally driving the pair of rotors; a control device for controlling the electric motor; an oil feeding mechanism for feeding oil into working chambers formed by being enclosed by the casing and the pair of rotors in which teeth thereof are meshed to each other; and an oil separating mechanism for separating the oil from compressed gas discharged from the working chambers. The oil-flooded screw compressor drives the pair of rotors at a rotational speed which is low enough not to increase torque for a short amount of time after start-up and accelerates the pair of rotors up to a normal-operation rotational speed after oil discharge. Alternatively, the oil-flooded screw compressor rotates the pair of rotors for a short amount of time after the remaining compressed gas is discharged after a halt, thereby allowing the oil accumulated inside the working chambers to be discharged and ensuring smooth start-up after the halt.
    • 当在长时间停止之后,在冷空气环境中启动一个充油螺杆压缩机时,由于长时间停留在压缩机的工作室内的油的粘度增加,启动扭矩增加。 这需要比正常操作所需的更大的容量的驱动装置。 根据本发明的一种充油螺杆式压缩机包括:壳体; 一对转子,每个转子都具有螺纹形槽并容纳在壳体中; 用于旋转地驱动所述一对转子的电动机; 用于控制电动机的控制装置; 供油机构,用于将油输送到由壳体和由其彼此啮合的一对转子形成的工作室; 以及用于将油与从工作室排出的压缩气体分离的油分离机构。 充油螺杆式压缩机以一定的转速驱动一对转子,旋转速度足够低,在启动后不会在短时间内增加扭矩,并且在排油后将一对转子加速至正常操作转速 。 或者,油压螺杆式压缩机在停止后剩余的压缩气体排出之后使一对转子旋转一段时间,从而允许积聚在工作室内的油排出,并确保顺利启动 停。
    • 10. 发明申请
    • Active Safety Apparatus
    • 主动安全装置
    • US20080088424A1
    • 2008-04-17
    • US11870127
    • 2007-10-10
    • Shinya ImuraMasaru YamasakiTatsuya Yoshida
    • Shinya ImuraMasaru YamasakiTatsuya Yoshida
    • B60Q1/00
    • G01S17/936B60W30/095
    • An active safety device for a motor vehicle comprises: obstacle detection device for detecting an obstacle; vehicle path prediction device for predicting a future path of the vehicle; collision possibility calculation device for calculating the possibility of a collision between the vehicle and the obstacle; and collision responding device for informing a driver of the presence of the obstacle or controlling the vehicle so as not to approach the obstacle according to the possibility of the collision between the vehicle and the obstacle, wherein the device further comprises: obstacle storage device for storing a position of the obstacle; and position estimation device for estimating a relative position between the vehicle and the obstacle from the position of the obstacle stored by the obstacle storage device, a vehicle speed of the vehicle, a yaw angular velocity of the vehicle, and a sideslip angle of the vehicle.
    • 一种用于机动车辆的主动安全装置包括:用于检测障碍物的障碍物检测装置; 用于预测车辆的未来路径的车辆路径预测装置; 用于计算车辆与障碍物之间的碰撞的可能性的碰撞可能性计算装置; 以及碰撞响应装置,用于根据车辆和障碍物之间的碰撞的可能性通知驾驶员障碍物的存在或控制车辆以便不接近障碍物,其中该装置还包括:用于存储的障碍物存储装置 障碍的位置; 以及位置估计装置,用于从由障碍物存储装置存储的障碍物的位置,车辆的车速,车辆的偏航角速度和车辆的侧滑角估计车辆与障碍物之间的相对位置 。