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21. 再颁专利

USRE32750E Fluid operated waste tank servicing assembly 失效
标题翻译：流体操作废液箱维修组件
公开(公告)号：USRE32750E
公开(公告)日：1988-09-20
申请号：US31677
申请日：1987-03-30
申请人： Laurence M. Grills , Eugene F. Colditz
发明人： Laurence M. Grills , Eugene F. Colditz
IPC分类号： E03D5/00
CPC分类号： E03D5/00
摘要： A hydraulically operated drain valve is interposed in the cleaning fluid path before the spray/rinse outlet. The fluid under pressure activates a piston which operates the drain valve. A precharge reservoir is also interposed in the supply line before the spray rinse outlet to store a measured precharge which drains into the tank after the drain valve has closed. A manual override is provided to open the drain valve in the event of a failure of the hydraulic system.

22. 发明授权

US5211463A Backlight for liquid crystal devices 失效
标题翻译：背光用于液晶装置
公开(公告)号：US5211463A
公开(公告)日：1993-05-18
申请号：US850391
申请日：1992-03-11
申请人： Michael H. Kalmanash
发明人： Michael H. Kalmanash
IPC分类号： G02F1/1335 , F21V8/00 , G02B6/00 , G02F1/13357 , G09G3/34
CPC分类号： G02B6/0051 , G02B6/0068 , G02F1/133615 , G02B6/002 , G02B6/0026 , G02B6/0046 , G02F2001/133626 , G09G2320/0633 , G09G3/3406
摘要： A backlight system for liquid crystal device display is equipped with a dual lighting system for day viewing and compatible with night vision systems. The day lighting system uses conventional fluorescent or incandescent lamps for full color display during daytime use. The night lighting system uses a light source which is either filtered to remove infrared and near infrared wavelengths or which is chosen from a class of sources which does not emit such wavelengths. The day lighting system is disabled while the night system is in use.

23. 发明授权

US5050966A Optical combiner collimating apparatus 失效
标题翻译：光学组合器准直装置
公开(公告)号：US5050966A
公开(公告)日：1991-09-24
申请号：US215668
申请日：1988-07-06
申请人： Arthur L. Berman
发明人： Arthur L. Berman
IPC分类号： G02B27/02 , G02B5/30 , G02B27/00 , G02B27/01 , G02B27/10 , G02B27/30 , G02F1/13 , G02F1/1347 , G09B9/32
CPC分类号： G02B27/017 , G02B27/0101 , G02B27/0172 , G02B5/3016 , G02F1/13473 , G09B9/326 , G02B2027/0118 , G02B5/30
摘要： An improved optical display system, such as a head-up display system. A highly transmissive light-weight and shatterproof optical combiner is provided. The combiner includes at least one cholesteric liquid crystal element for transmitting a first image in a line of sight and for reflecting a second image into the line of sight. Multiple cholesteric elements are used in a multicolor shutter, a multicolor combiner, and a multicolor collimator to display a multicolor image.

24. 发明授权

US5031330A Electronic boresight 失效
标题翻译：电子视轴
公开(公告)号：US5031330A
公开(公告)日：1991-07-16
申请号：US396883
申请日：1989-08-22
申请人： Kenneth Stuart
发明人： Kenneth Stuart
IPC分类号： G01C25/00
CPC分类号： G01C25/00
摘要： Pairs of level sensing devices are used in a method that aligns plane surfaces to one another. One of the pairs of level sensing devices is located on each of the plane surfaces. The level sensing devices of each pair are aligned and positioned parallel to two orthogonal axes of the plane. The output signals from corresponding ones of the pairs are differentially compared, and one of the platforms adjusted in pitch and roll to minimize the values produced by the differential comparison. The platforms are then tilted equal amounts and adjusted in azimuth.
摘要翻译：一对液位传感装置用于将平面彼此对准的方法。成对的液位传感装置中的一个位于每个平面上。每对的液位传感装置对准并平行于平面的两个正交轴定位。差分比较来自相应对中的输出信号，并且在俯仰和滚动之间调整的一个平台将差分比较产生的值最小化。然后将平台倾斜相等量并在方位角调整。

25. 发明授权

US4124228A Pressure-balanced fluid coupling 失效
标题翻译：压力平衡流体联轴器
公开(公告)号：US4124228A
公开(公告)日：1978-11-07
申请号：US780598
申请日：1977-03-24
申请人： Donald L. Morrison
发明人： Donald L. Morrison
IPC分类号： F16L37/23 , F16L37/34 , F16L29/00 , F16L37/22
CPC分类号： F16L37/23 , F16L37/34 , Y10T137/87949
摘要： A fluid coupling of the type which couples automatically on the engagement of two coupling members and which uncouples automatically on the application of a predetermined minimum axial separation force, as is useful in refueling operations between moving vehicles. One coupling member has an annular groove about its outer surface, and the other carries at least one locking ball which may be held in engagement with the groove by a lock ring having graduations in internal diameter. Applying a tensile force between the coupling members compresses a spring and simultaneously displaces the lock ring with respect to the ball until an unlocked position is reached, allowing uncoupling by release of the ball from the groove. Uncoupling may also be effected manually and independently of the tensile force applied, and there is a convenient adjustment of the threshold force necessary for uncoupling. The coupling preferably includes automatically operable valves to prevent loss of fluid on uncoupling, and is almost completely pressure balanced, to provide for consistent and reliable operation and very little change in operating characteristics over a wide range of fluid pressures.
摘要翻译：这种类型的流体联轴器在两个联接构件的接合上自动联接，并且在施加预定的最小轴向分离力时自动脱开，如在移动车辆之间的加油操作中有用的。一个联接构件具有围绕其外表面的环形槽，而另一个承载至少一个锁定球，其可以通过具有内径刻度的锁定环保持与凹槽接合。在联接构件之间施加张力压缩弹簧并同时使锁环相对于球移动，直到达到解锁位置，从而允许通过从凹槽释放球而脱开联接。解偶合也可以手动地实现，而不受施加的张力的影响，并且对于解偶联所需的阈值力有方便的调整。联接器优选地包括可自动操作的阀，以防止解耦时的流体损失，并且几乎完全是压力平衡的，以提供一致和可靠的操作，并且在宽范围的流体压力下操作特性的变化很小。

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