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    • 52. 发明申请
    • Fiber Optic Rotary Coupler
    • 光纤旋转耦合器
    • US20090226131A1
    • 2009-09-10
    • US12042126
    • 2008-03-04
    • Boying B. ZhangHong Zhang
    • Boying B. ZhangHong Zhang
    • G02B6/26
    • G02B6/3604
    • A fiber optic rotary coupler is invented using both single mode and multi-mode optic fibers. This device has a rotatable optic fiber and a stationary optic fiber in an assembly to convey a light beam in the optic fibers. The assembly also includes a stationary fiber holder for fixing the tip of stationary optic fiber in a central hole and a rotatable fiber holder for fixing the body of the rotatable optic fiber with the tip of the rotatable fiber protruding out of the rotatable fiber holder. The two fiber holders can be rotated relatively each other so as to allow the tip of rotatable optic fiber to rotate in the central hole on the stationary fiber holder with the tips of the two optic fibers adjacent very closely.
    • 使用单模和多模光纤都发明了光纤旋转耦合器。 该装置在组件中具有可转动的光纤和固定的光纤,以在光纤中传送光束。 组件还包括用于将固定光纤的尖端固定在中心孔中的固定光纤保持器和用于将可旋转光纤的主体固定的可旋转光纤保持器,其中可旋转光纤的尖端突出可旋转光纤保持器。 两个光纤保持器可以彼此相对旋转,以便可旋转的光纤的尖端在固定的光纤保持器的中心孔中旋转,同时两个光纤的尖端非常接近。
    • 54. 发明授权
    • Method for controlling an internal combustion engine in the neutral position
    • 用于在中立位置控制内燃机的方法
    • US07530344B2
    • 2009-05-12
    • US11662675
    • 2005-08-05
    • Frank WeissHong Zhang
    • Frank WeissHong Zhang
    • F02D41/16
    • F02D31/003F02D41/08F02D41/16F02D2041/141F02D2200/1012F02D2250/18
    • The invention relates to a method for controlling an internal combustion engine in the neutral position, comprising the following steps: the actual idle rotational speed is measured, the actual idle rotational speed is compared to a desired idle rotational speed, correction torque is determined according to the actual idle rotational speed gradients when the actual idle rotational speed deviates from the desired idle rotational speed by more than a predefined value, the correction torque is added to the actual motor torque demand of the internal combustion engine. The advantage of said invention is that the control of the idle rotational speed also takes into account the actual idle rotational speed gradients and the correction torque is added directly to the motor torque demand such that, overall, a very rapid control characteristic is obtained.
    • 本发明涉及一种在空档位置控制内燃机的方法,包括以下步骤:测量实际怠速转速,将实际怠速转速与期望的怠速转速进行比较,根据 当实际怠速转动速度偏离预期怠速转速超过预定值时的实际怠速转速梯度,将校正转矩加到内燃机的实际电机扭矩需求上。 所述发明的优点在于,怠速转速的控制也考虑了实际的怠速转速梯度,并且将校正扭矩直接加到电动机转矩需求上,使得总体上获得非常快速的控制特性。
    • 57. 发明授权
    • Method and device for determining a phase of an internal combustion engine
    • 用于确定内燃机的相位的方法和装置
    • US07469676B2
    • 2008-12-30
    • US10589793
    • 2005-11-26
    • Frank WeissHong Zhang
    • Frank WeissHong Zhang
    • F02D13/04B60T7/12
    • F01L1/3442F01L1/34
    • The invention concerns a method and a device for determining an internal combustion engine phase. Said device comprises an intake zone, an exhaust zone, at least one camshaft which acts on the gas exchanging valves and whereof the phase can be adjusted relative to that of a crankshaft by means of a phase adjusting device, and at least one sensor whereof the measurement signal enables a specific phase to be determined. The phase adjusting device is controlled in accordance with phase adjustment of the camshaft until detection of a gas reflux from the exhaust zone to the intake zone. A correction value is determined based on the associated specific phase and on a specific allocated phase. In the next operating mode, the respectively specific phase is corrected based on the correction value.
    • 本发明涉及一种用于确定内燃机相位的方法和装置。 所述装置包括进气区,排气区,作用在气体交换阀上的至少一个凸轮轴,以及可以通过相位调节装置相对于曲轴的相位进行相位的调整,以及至少一个传感器, 测量信号使得能够确定特定的相位。 相位调节装置根据凸轮轴的相位调节进行控制,直到检测到从排气区到进气区的气体回流。 基于相关联的特定相位和特定分配的相位来确定校正值。 在下一个操作模式中,基于校正值校正相应的特定相位。