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    • 15. 发明授权
    • Dynamic engine timing control
    • 动态发动机定时控制
    • US06732709B1
    • 2004-05-11
    • US10313180
    • 2002-12-06
    • Richard L. HavranRick I. ZadoksJames W. Harris
    • Richard L. HavranRick I. ZadoksJames W. Harris
    • F02P500
    • F02D41/009F02D41/401F02D2250/28Y02T10/44
    • A method and apparatus for controlling timing of an internal combustion engine having a piston located in a cylinder. The method and apparatus includes determining a first angular position of a crankshaft at a first location along a longitudinal axis of the crankshaft, determining a second angular position of the crankshaft at a second location along the longitudinal axis, determining a level of deformation of the crankshaft as a function of a difference between the first and second angular positions, determining an actual position of the piston as a function of the crankshaft deformation, comparing the actual piston position to a desired piston position, and controlling timing of an event to initiate combustion in the cylinder as a function of a difference between the actual and desired piston positions.
    • 一种用于控制具有位于气缸中的活塞的内燃机的定时的方法和装置。 所述方法和装置包括沿着曲轴的纵向轴线确定在第一位置处的曲轴的第一角度位置,沿着所述纵向轴线在第二位置处确定所述曲轴的第二角位置,确定所述曲轴的变形水平 作为第一和第二角位置之间的差异的函数,确定作为曲轴变形的函数的活塞的实际位置,将实际活塞位置与期望的活塞位置进行比较,以及控制事件开始燃烧的时间 作为实际和期望活塞位置之差的函数的气缸。
    • 16. 发明授权
    • Light weight/small image intensifier tube
    • 重量轻/小图像增强管
    • US5994824A
    • 1999-11-30
    • US899725
    • 1997-07-24
    • Nils I. ThomasJames W. HarrisWalter E. BlouchWarren D. VrescakGeorge A. HambroMark L. OylerStanley J. ClowerNelson C. DevoeRobert A. Gallagher
    • Nils I. ThomasJames W. HarrisWalter E. BlouchWarren D. VrescakGeorge A. HambroMark L. OylerStanley J. ClowerNelson C. DevoeRobert A. Gallagher
    • H01J9/36H01J31/50H01J43/00
    • H01J31/507H01J9/36
    • An improved image intensifier tube having electrically operative components that include a photocathode having a photoemissive layer, a microchannel plate having a conductive input surface and a conductive output surface, and a vacuum housing for retaining the photocathode, the microchannel plate and a fiber optic inverter in a predetermined arrangement within an evacuated environment, the fiber optic inverter having a phosphor screen for receiving the electrons emitted by the cathode and converting the electrons into a visual image, the improvement therewith comprising a ring assembly disposed in the housing comprising first and second rings, the first ring being a metallized snap ring conductively contacting the input surface of the microchannel plate for providing electrical contact to and retaining the plate within the housing, the second ring being a metallized ceramic ring having a first chamfered metallized surface in electrical contact with the metallized snap ring and a second metallized surface operable to provide an electrical contact external to the housing; and the fiber optic inverter having a unitarily formed and circumferentially extending flange portion extending toward the housing, wherein a sealing material sealingly engages an inner surface of an output flange with the inverter flange portion to form an air impervious vacuum seal, the output flange supported by the inverter flange portion.
    • 一种改进的图像增强管,其具有电气操作部件,其包括具有发光层的光电阴极,具有导电输入表面的微通道板和导电输出表面,以及用于将光电阴极,微通道板和光纤逆变器保持在其中的真空壳体 在抽真空环境中的预定布置,光纤逆变器具有用于接收由阴极发射的电子并将电子转换成视觉图像的荧光屏,其改进包括设置在壳体中的环组件,包括第一和第二环, 所述第一环是金属化卡环,其导电地接触所述微通道板的输入表面,以提供与所述壳体内的电接触并将所述板保持在所述壳体内,所述第二环是金属化陶瓷环,其具有与所述金属化的电化学电接触的第一倒角金属化表面 卡环和一秒钟 金属化表面可操作以在壳体外部提供电接触; 并且所述光纤逆变器具有朝向所述壳体延伸的一体形成的周向延伸的凸缘部分,其中密封材料与所述逆变器凸缘部分密封地接合输出凸缘的内表面以形成不透气的真空密封件,所述输出凸缘由 变频器法兰部分。