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    • 2. 发明申请
    • Drainage structure cleaning apparatus
    • 排水结构清洗设备
    • US20070186963A1
    • 2007-08-16
    • US11786242
    • 2007-04-11
    • Robert Harr
    • Robert Harr
    • B08B9/00
    • B08B9/0436B08B9/045Y10S37/903
    • An apparatus for cleaning a culvert includes a rod pushing and pulling machine, a rod string made from a series of extension rods coupled end to end, which rod string is mounted at a proximal end to the rod pushing and pulling machine. A debris removal tool is mounted on a distal end of the rod string. The debris removal tool may comprises a rod having a center longitudinal axis, a proximal end, and a distal end, the rod having a coupling at its proximal end. A bucket is mounted at the distal end of the rod, which bucket has an end opening positioned so that movement of the bucket along the culvert scoops debris into the bucket.
    • 一种用于清洁涵洞的装置包括杆推拉机,由串联连接的一系列延伸杆制成的杆串,该杆串在近端安装到推杆机上。 碎片清除工具安装在杆柱的远端。 碎屑去除工具可以包括具有中心纵向轴线,近端和远端的杆,杆在其近端具有联接器。 铲斗安装在杆的远端,该铲斗具有定位的端部开口,使得铲斗沿着涵洞的移动将碎屑铲入铲斗中。
    • 3. 发明申请
    • Flow controls for containers of liquids and viscous materials
    • 液体和粘性物质容器的流量控制
    • US20070023461A1
    • 2007-02-01
    • US11195472
    • 2005-08-01
    • Allen ChristianRobert Harr
    • Allen ChristianRobert Harr
    • B67D3/00
    • B65D23/04B65D2205/02
    • A flow control device for containers of liquid and viscous materials include an air vent by-pass positioned within the container and extending into an enlarged area of the container. The flow control device enables a more smooth and uniform pouring of low viscosity liquids and viscous materials, and reduces or eliminates the intermittent flow associated with prior art containers for these materials. The invention is particularly useful when disposed within a hollow handle. Operation of the by-pass device may be augmented by a closure orifice positioned near the top of the container. Alternatively, the closure orifice may be used by itself for smaller container sizes, but with less flow control effect.
    • 用于液体和粘性材料的容器的流量控制装置包括定位在容器内并延伸到容器的扩大区域中的排气旁路。 流量控制装置能够更平稳和均匀地倾倒低粘度液体和粘性材料,并且减少或消除与这些材料的现有技术容器相关联的间歇流动。 当设置在中空手柄内时,本发明特别有用。 旁通装置的操作可以通过位于容器顶部附近的封闭孔增加。 或者,闭合孔可以自身用于较小的容器尺寸,但具有较少的流动控制效果。
    • 6. 发明申请
    • Wick assembly and method for installing an underdrain
    • 灯芯组装和安装漏水的方法
    • US20070098500A1
    • 2007-05-03
    • US11640782
    • 2006-12-18
    • Robert Harr
    • Robert Harr
    • E02B11/00
    • E01F5/00E01F5/005E02B11/005
    • A wick assembly for installation under a roadway according to the invention includes a perforated drain pipe, an inner sheet of a wicking fabric disposed on the perforated drain pipe in a manner effective to cover the perforations therein, an outer sheet of a wicking fabric, and a layer of filter aggregates confined between the inner and outer wicking fabric sheets to form a wick drain in combination with the perforated drain pipe. Water passes through the sheets and filter aggregates in order to enter the perforated drain pipe through the perforations therein. The wick drain may be disposed inside an outer pipe with the outer fabric sheet in slidable contact with the inner periphery of the pipe casing. The outer pipe casing serves to protect the wick drain during installation and is later removed once the wick drain is in position.
    • 根据本发明的用于安装在道路下的灯芯组件包括穿孔排放管,以有效覆盖其中的穿孔的方式设置在多孔排水管上的芯吸织物的内层,芯吸织物的外层片,以及 限定在内部和外部芯吸织物片材之间的一层过滤器聚集体,以与多孔排泄管道组合形成芯排水管。 水通过片材并过滤聚集体,以通过其中的穿孔进入穿孔排水管。 芯排水可以设置在外管内,外织物片与管壳的内周滑动接触。 外管壳体用于在安装期间保护排液管,并且一旦芯排水管就位就被去除。
    • 8. 发明授权
    • Echelle grating dense wavelength division multiplexer/demultiplexer
    • Echelle光栅密集波分复用器/解复用器
    • US06647182B2
    • 2003-11-11
    • US10121956
    • 2002-04-12
    • Andrew D. SappeyPei HuangRobert HarrGerry Murphy
    • Andrew D. SappeyPei HuangRobert HarrGerry Murphy
    • G02B634
    • G02B6/29308G02B5/1861G02B6/2931G02B6/29361G02B6/29373G02B6/2938
    • An apparatus for use in optical communication systems to multiplex/demultiplex an optical signal consisting of an optical channel(s) of distinct wavelength(s) having a select channel spacing within a select wavelength range. The apparatus includes a plurality of optical waveguides aligned generally along the same optical axis with each having a propagating end. At least two of the optical waveguides each propagate a distinct multiplexed optical signal comprising a plurality of channels, with the multiplexed optical waveguides being arranged in a multiplexed linear array. The others of the optical waveguides are single channel waveguides arranged in a two dimensional array with linear rows perpendicular to the multiplex linear array and with each linear row corresponding to a multiplex optical waveguide. A reflective echelle grating is optically coupled to the plurality of optical waveguides along the optical axis and receives an optical signal emitted from at least one of the optical waveguides and detracts the optical signal(s) to at least one other of the optical waveguide(s).
    • 一种用于光通信系统的装置,用于对由在选择波长范围内具有选择信道间隔的不同波长的光信道组成的光信号进行复用/解复用。 该装置包括大致沿着相同光轴排列的多个光波导,每个具有传播端。 至少两个光波导各自传播包括多个通道的不同复用光信号,复用的光波导以多路复用的线性阵列布置。 光波导中的其他光波导是以垂直于多路复用线性阵列的线性行并且与每个线性行对应于多路复用光波导的二维阵列排列的单通道波导。 反射式梯形光栅沿着光轴光耦合到多个光波导,并且接收从至少一个光波导发射的光信号并将光信号折射到光波导的至少另一个 )。
    • 9. 发明授权
    • Apparatus and method facilitating optical alignment of a bulk optical multiplexer/demultiplexer
    • 便于大量光复用器/解复用器的光学对准的装置和方法
    • US06421479B1
    • 2002-07-16
    • US09702550
    • 2000-10-31
    • Robert Harr
    • Robert Harr
    • G02B628
    • G02B6/29314G02B6/2938G02B6/3636G02B6/3652H04J14/02
    • A bulk optic (de)multiplexer for fiber optic communications systems includes a diffraction grating having a diffraction surface, a waveguide array including a plurality of waveguides having an input/output end for emitting and receiving optical signals, and a focusing optic in optical communication between the diffraction grating and the waveguide array along an optical axis. The focusing optic focuses beams from the diffraction surface of the grating for optical coupling with the input/output ends of the waveguides. The (de)multiplexer further includes a frame. A fixed mount is provided between the focusing optic and the frame. A first adjustable mount is provided between the waveguide array and the frame and a second adjustable mount is provided between the diffraction grating and the frame. Preferably, the optical axis corresponds to a Z axis of orthogonal X, Y, Z axes and the waveguides of the waveguide array are aligned with the input/output ends along an input/output axis. The first adjustable mount is configured to provide for linear movement of the waveguide array along the Z axis and movement of the input/output axis within a plane parallel to the X, Y axes. The second adjustable mount is preferably configured to provide only for gimbaled movement of the grating about the point on the diffraction surface of the grating intersecting the optical axis. A method of optically aligning a (de)multiplexer as described above includes affixing the focusing optic to the frame with the focusing optic defining the optical axis, moving the waveguide array relative to the focusing optic only linearly along the optical axis and moving the grating only by rotating the grating about three orthogonal axes at a point on the grating intersected by the optical axis.
    • 用于光纤通信系统的体光学(de)多路复用器包括具有衍射面的衍射光栅,包括具有用于发射和接收光信号的输入/输出端的多个波导的波导阵列,以及聚焦光学器件 沿着光轴的衍射光栅和波导阵列。 聚焦光学器件聚焦来自光栅的衍射表面的光束,用于与波导的输入/输出端的光耦合。 (de)多路复用器还包括帧。 在聚焦光学元件和框架之间提供固定安装座。 在波导阵列和框架之间提供第一可调节安装座,并且在衍射光栅和框架之间提供第二可调节安装座。 优选地,光轴对应于正交X,Y,Z轴的Z轴,并且波导阵列的波导与沿着输入/输出轴的输入/输出端对准。 第一可调节安装件被配置成提供波导阵列沿着Z轴的线性移动,并且输入/输出轴线在平行于X,Y轴的平面内的移动。 第二可调节安装件优选地构造成仅提供光栅围绕光栅的衍射表面上与光轴相交的点的万向运动。 如上所述的使(de)多路复用器光学对准的方法包括将聚焦光学元件固定在框架上,聚焦光学元件限定光轴,使波导阵列相对于聚焦光学器件沿着光轴仅线性地移动并仅移动光栅 通过围绕与光轴相交的光栅上的点绕三个正交轴旋转光栅。
    • 10. 发明申请
    • Drainage structure cleaning tool and method
    • 排水结构清洗工具及方法
    • US20080028566A1
    • 2008-02-07
    • US11906922
    • 2007-10-04
    • Robert Harr
    • Robert Harr
    • B08B3/00B08B9/00B60S1/28
    • B08B9/045B08B9/043B08B9/0436E02F1/00E02F3/06E03F9/002E03F9/005Y10S37/903
    • A tool for cleaning a drainage structure comprises a rod having a center longitudinal axis, a barrel housing having a proximal opening and a distal opening, the barrel housing having a center longitudinal axis and coupled coaxially to the rod, the barrel housing having an outside dimension that can be accommodated within the drainage structure, the distal opening of the barrel housing having a sinusoidal tearing contour. The tool further comprises a plurality of cutting implements radially coupled to and between the rod and the barrel housing, the cutting implements having a distal cutting edge and being angularly oriented to facilitate sweeping debris in a selected direction, and the barrel housing and cutting implements operable to rotate about the center longitudinal axis of the rod to dislodge and loosen debris inside the drainage structure.
    • 用于清洁排水结构的工具包括具有中心纵向轴线的杆,具有近侧开口和远侧开口的筒壳体,所述筒体具有中心纵向轴线并与杆同轴地联接,所述筒体外壳具有外部尺寸 其可以容纳在排水结构内,筒壳体的远端开口具有正弦撕裂轮廓。 该工具还包括径向耦合到杆和筒壳体之间并且在杆和筒壳体之间的多个切割工具,切割工具具有远端切割边缘并且被成角度地定向以便于在所选方向上扫掠碎屑,并且筒壳体和切割工具可操作 围绕杆的中心纵向轴线旋转以移除并松开排水结构内的碎屑。