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    • 84. 发明申请
    • PROCESS AND APPARATUS FOR THE POSITIONING AND BEARING OF ROLLING ELEMENTS IN ROLLING BEARINGS
    • 轧制轴承滚动元件的定位和轴承的工艺和装置
    • WO9935411A3
    • 1999-09-16
    • PCT/IB9900463
    • 1999-01-07
    • SUNDERLAND JAMES HARRYISMAIL MOHAMED MOHAMED
    • ISMAIL MOHAMED MOHAMED
    • F16C33/46F16C33/52F16C33/66
    • F16C33/52F16C19/26F16C33/4664F16C33/6681
    • The invention is concerned with a process to provide positioning and bearing means for rolling elements (3) in rolling bearings, wherein the rolling elements (3) are in the main pretreated for subsequent mounting with rotary bearing arrangements (6) connected through framing them together, and such that positioning of the rolling elements (3) while being in their races (1, 2) is attained after assembly, and the bearing diameters used are smaller than the diameters of the rolling surfaces of the elements (3), to reduce frictional torques, and said bearing arrangements (6) are provided with means for their lubrication (4c, 6a). And it is also concerned with an apparatus for the positioning and bearing of rolling elements (3) in rolling bearings, wherein rotary bearing arrangements (6) connected through framing them together are mounted with the rolling elements (3) and in one of the applications, namely, that of a cylindrical roller rotary bearing, one way of implementing the invention is to use framed rotary bearing arrangements (6) that are distributed on both sides of the rollers (3) and are mounted with them.
    • 本发明涉及提供用于滚动轴承中的滚动元件(3)的定位和轴承装置的方法,其中滚动元件(3)处于主要预处理中,用于随后通过将它们连接在一起的旋转轴承装置(6)进行安装 并且在组装之后实现滚动元件(3)在其种族(1,2)中的定位,并且所使用的轴承直径小于元件(3)的滚动表面的直径,以减少 摩擦力矩和所述轴承装置(6)设置有用于其润滑的装置(4c,6a)。 并且还涉及用于滚动轴承中的滚动元件(3)的定位和轴承的装置,其中通过将它们组合在一起而连接的旋转轴承装置(6)安装有滚动元件(3)并且在其中一个应用中 即圆柱滚子旋转轴承的一种,实现本发明的一种方式是使用分布在滚子(3)的两侧并且与它们一起安装的框架式旋转轴承装置(6)。
    • 89. 发明申请
    • SYSTEM AND METHOD FOR SCHEDULE OPTIMIZATION
    • 用于计划优化的系统和方法
    • US20140032255A1
    • 2014-01-30
    • US14005938
    • 2012-03-21
    • Tarek Mohamed Mohamed Hegazi
    • Tarek Mohamed Mohamed Hegazi
    • G06Q10/06
    • G06Q10/06312G06Q10/04G06Q10/06313
    • There is disclosed a system and method for tracking of the progress of scheduled tasks, and for schedule optimization of projects using a heuristic method. In an embodiment, the method comprises: starting the time-cost trade-off (TCT) process by resetting project activities to their cheapest options with the longest project duration; while in any TCT cycle all critical activities are not crashed, selecting and crashing the cheapest critical activities one-by-one to reduce the project's critical path; when in any TCT cycle all critical project activities are crashed, then crashing the cheapest non-critical activities one-by-one; performing a constrained resource scheduling (CRS) analysis at the end of each TCT cycle to meet project resource limits and provide at least one feasible solution for a project duration that does not violate project resource limits; saving the best solution with cheapest total cost from any cycle; and performing a time-cost trade-off (TCT) analysis within each cycle to consider all costs. In another aspect, there is disclosed a system and method for collecting data for schedule optimization, selecting an eligible project activity for which a progress update is required, and obtaining contact information for a user device associated with the project activity; initiating contact with the user device to request a progress update collecting from the user device required progress information for the project activity; and updating progress information for the project activity based on the progress update collected from the user device.
    • 公开了一种用于跟踪计划任务进度的系统和方法,并且使用启发式方法对项目的进度优化。 在一个实施例中,该方法包括:通过将项目活动重置为具有最长项目持续时间的最便宜的选项来启动时间成本折衷(TCT)过程; 而在任何TCT周期中,所有关键活动都不会崩溃,逐一选择和崩溃最便宜的关键活动,以减少项目的关键路径; 在任何TCT周期中,所有关键项目活动都会崩溃,然后逐一坠毁最便宜的非关键活动; 在每个TCT周期结束时执行受限资源调度(CRS)分析,以满足项目资源限制,并为不违反项目资源限制的项目持续时间提供至少一个可行解决方案; 从任何周期中节省最便宜的总成本的最佳解决方案; 并在每个周期内执行时间成本折衷(TCT)分析,以考虑所有成本。 在另一方面,公开了一种用于收集调度优化的数据的系统和方法,选择需要进行更新的符合条件的项目活动,以及获得与项目活动相关联的用户设备的联系人信息; 发起与用户设备的联系以请求从用户设备收集进度更新所需的项目活动进度信息; 并且基于从用户设备收集的进度更新来更新项目活动的进度信息。
    • 90. 发明申请
    • CONDENSATE-FREE OUTDOOR AIR COOLING UNIT
    • 无冷气室外空气冷却单元
    • US20130061615A1
    • 2013-03-14
    • US13227475
    • 2011-09-08
    • AHMED MOHAMED MOHAMED OMER
    • AHMED MOHAMED MOHAMED OMER
    • F25D21/12
    • F24F1/42F24F13/222F24F2013/225F25B40/02F25B2339/041Y02B30/542
    • A highly efficient condensate-free cooling unit functionally based on vapor-compression refrigeration cycle has been described. The condensate collected from the evaporator of the cooling unit is routed through a sub-cooling heat exchanger where it exchanges heat with the primary heat exchange medium emerging through the condenser of the cooling unit, thus, sub-cooling the primary heat exchange medium to a lower temperature before it enters the expansion valve. Emerging from the sub-cooling heat exchanger, the condensate flows through a condensate outlet pipe into multiple spray nozzles disposed over the condensate outlet pipe. The spray nozzles sprinkle the condensate over the hot air blown into the condenser to reduce its temperature. The cooling unit has a substantially higher coefficient of performance compared to the conventional cooling units utilizing vapor-compression refrigeration cycle, and eliminates the problems of condensate removal persistent in the art.
    • 已经描述了基于蒸气压缩制冷循环功能的高效无冷凝冷却单元。 从冷却单元的蒸发器收集的冷凝物通过副冷却热交换器,其中与通过冷却单元的冷凝器出现的主要热交换介质进行热交换,从而将一次热交换介质副冷却至 在进入膨胀阀之前温度较低。 从副冷却热交换器出来,冷凝水通过冷凝水出口管流入设置在冷凝水出口管上方的多个喷嘴。 喷嘴将冷凝水洒在冷凝器内的热空气中以降低其温度。 与使用蒸气压缩式制冷循环的常规冷却单元相比,冷却单元具有显着更高的性能系数,并且消除了本领域中持续存在的冷凝物去除的问题。