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    • 5. 发明授权
    • Optical diode
    • 光二极管
    • US07701537B2
    • 2010-04-20
    • US11712954
    • 2007-03-02
    • Hideo TakezoeByoungchoo ParkMyoung Hoon SongJisoo HwangTakehiro ToyookaSuzushi Nishimura
    • Hideo TakezoeByoungchoo ParkMyoung Hoon SongJisoo HwangTakehiro ToyookaSuzushi Nishimura
    • G02F1/1335
    • G02F1/133536G02F1/1334G02F2001/133543H01L31/02327
    • An optical diode. A cholesteric liquid crystal (CLC) layer has a selective reflection wavelength band with a left-handed helical structure, and a phase shifter for changing a phase difference between two intrinsic polarized light components of left-handed circularly polarized light having a wavelength within the selective reflection wavelength band of the CLC layer. When left-handed circularly polarized light having a wavelength within the selective reflection wavelength band of the CLC layer is incident on the phase shifter in the optical diode, the phase shifter turns the left-handed circularly polarized light into right-handed circularly polarized light, which can be transmitted through the CLC layer. When left-handed circularly polarized light having a wavelength within the selective reflection wavelength band of the CLC layer is incident on the CLC layer, it is selectively reflected by the CLC layer.
    • 光二极管。 胆甾型液晶(CLC)层具有左旋螺旋结构的选择性反射波长带,以及用于改变具有选择性波长内的波长的左旋圆偏振光的两个本征偏振光分量之间的相位差的移相器 CLC层的反射波长带。 当具有CLC层的选择反射波长带内的波长的左旋圆偏振光入射到光二极管中的移相器上时,移相器将左旋圆偏振光转换成右旋圆偏振光, 其可以通过CLC层传输。 当具有CLC层的选择反射波长带内的波长的左旋圆偏振光入射到CLC层时,其被CLC层选择性地反射。
    • 8. 发明授权
    • Automatic fluid pressure-intensifying apparatus and method of a
hydraulic traveling device
    • 自动液压增压装置及液压行走装置的方法
    • US5964090A
    • 1999-10-12
    • US993079
    • 1997-12-18
    • In Taek NamMyoung Hoon SongGeon Hwang
    • In Taek NamMyoung Hoon SongGeon Hwang
    • E02F9/22F15B11/028F15B11/08F15B11/17F16D31/02
    • E02F9/2253F15B11/028F15B11/17F15B2211/20576F15B2211/30525F15B2211/3056F15B2211/3116F15B2211/40507F15B2211/41554F15B2211/50536F15B2211/5151F15B2211/526F15B2211/528F15B2211/55F15B2211/6309F15B2211/6653F15B2211/7053F15B2211/7058F15B2211/71
    • Disclosed is automatic fluid pressure-intensifying apparatus and method of a hydraulic traveling device for increasing a traveling capability or a pulling capability of a heavy equipment by changing a relief pressure in a hydraulic circuit under the state that a working device of the heavy equipment does not operate and a traveling device only operates. In the automatic fluid pressure-intensifying apparatus of the hydraulic traveling device, a first control valve selectively changes a flow direction of a hydraulic fluid being supplied by a hydraulic pump toward a traveling motor of the heavy equipment. Further, a second control valve selectively changes the flow direction of the hydraulic fluid being supplied by the hydraulic pump toward a working device of the heavy equipment. A relief valve restricts an allowable maximum pressure in a hydraulic circuit. A first pressure switch detects a pressure in a first pilot line of the first control valve, and a second pressure switch detects a pressure in a second pilot line of the second control valve. A controller judges whether the controller will intensify the allowable maximum pressure in the hydraulic circuit or not by receiving signals generated from the first pressure switch and the second pressure switch. A solenoid valve changes an allowable maximum pressure of the relief valve into a pressure corresponding to a signal generated by the controller.
    • 公开了一种液压行进装置的自动流体增压装置和方法,用于通过在重型设备的工作装置不工作的状态下改变液压回路中的溢流压力来增加重型设备的行驶能力或牵引能力 操作和旅行设备只能运行。 在液压行进装置的自动流体增压装置中,第一控制阀选择性地将由液压泵供给的液压流体的流向改变为重型设备的行进马达。 此外,第二控制阀选择性地将由液压泵供给的液压流体的流动方向改变为重型设备的作业装置。 泄压阀限制液压回路中允许的最大压力。 第一压力开关检测第一控制阀的第一先导管路中的压力,第二压力开关检测第二控制阀的第二先导管路中的压力。 控制器通过接收从第一压力开关和第二压力开关产生的信号来判断控制器是否会加强液压回路中允许的最大压力。 电磁阀将安全阀的容许最大压力改变成与由控制器产生的信号相对应的压力。