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    • 1. 发明授权
    • Facility life management method
    • 设施人寿管理方法
    • US08571911B1
    • 2013-10-29
    • US10298157
    • 2002-11-15
    • Theodore A. MeyerRobert K. PerdueWarren H. BamfordEdward TerekG. Gary ElderJoel Woodcock
    • Theodore A. MeyerRobert K. PerdueWarren H. BamfordEdward TerekG. Gary ElderJoel Woodcock
    • G06Q10/00
    • G06Q10/04G06Q10/06G06Q10/20G06Q50/06Y04S10/54
    • An improved method of selecting and planning the performance of various maintenance activities on a facility such as a nuclear power plant includes determining the net present value of a number of future net savings that are expected to result from performance of the maintenance activity at a given time, and selecting and planning the maintenance activities in a fashion that maximizes net present value. The method includes, for each of a number of components and a number of time periods, determining a change in the probability that a component will fail within a time period, with the change resulting from an assumption that a maintenance activity is performed. The change in probability is multiplied with the losses associated with a failure in order to determine a gross savings from which costs are subtracted to determine net savings. The probabilities of failure may be determined from a probability failure model that has been derived from multiple sets of failure data that are characterized by Weibull distributions and are mathematically combined according to Bayes' Theorem. The maintenance activities may also be optimized according to a number of budget figures. An apparatus for performing the method is also disclosed.
    • 选择和规划在诸如核电厂等设施的各种维护活动的性能的改进方法包括确定预期在给定时间执行维护活动所产生的未来净节约数量的净现值 ,并以最大限度提高净现值的方式选择和规划维护活动。 该方法包括对于多个组件和多个时间段中的每一个,确定组件在一段时间内将失败的可能性的变化,并且由执行维护活动的假设引起的改变。 概率的变化与失败相关的损失相乘,以确定减去成本的总节省量,以确定净节约。 故障概率可以从已经从以威布尔分布为特征的多组故障数据派生出来的概率故障模型确定,并根据贝叶斯定理进行数学组合。 还可以根据若干预算数字优化维护活动。 还公开了一种用于执行该方法的装置。
    • 3. 发明授权
    • Pulsed dielectric barrier discharge
    • 脉冲电介质阻挡放电
    • US07615931B2
    • 2009-11-10
    • US11120153
    • 2005-05-02
    • William McClure HookeAllen Richard MartinMark Alan RayGary Elder McGuire
    • William McClure HookeAllen Richard MartinMark Alan RayGary Elder McGuire
    • H05B31/26
    • H01J37/32348A61L2/0011A61L2/14A61L9/22H01J37/32009H05H1/46H05H2001/4682
    • A dielectric barrier plasma discharge device consistent with certain embodiments of the present invention has a pair of electrodes spaced apart by an electrode gap. A dielectric is disposed between the electrodes. The electrode gap is provided with a gas at a specified pressure. A rapid rise time voltage pulse generator produces a voltage pulse across the electrodes to cause an extreme overvoltage condition, wherein the rapid rise time is less than a plasma generation time so that the extreme overvoltage condition occurs prior to current flow across the electrode gap. Due to the high voltages and high current densities, the product yields an extremely high instantaneous power density. This extreme overvoltage condition is also believed to lead to production of shock waves and runaway free electrons. The resulting plasma can be utilized to carry out many potential tasks including, but not limited to etching, deposition, and sterilization. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.
    • 与本发明的某些实施例一致的电介质阻挡等离子体放电装置具有由电极间隙隔开的一对电极。 在电极之间设置电介质。 电极间隙设有规定压力的气体。 快速上升时间电压脉冲发生器在电极之间产生电压脉冲以产生极端的过电压状态,其中快速上升时间小于等离子体产生时间,使得极限过电压状态发生在跨过电极间隙的电流流动之前。 由于高电压和高电流密度,产品产生极高的瞬时功率密度。 这种极端的过电压条件也被认为会导致产生冲击波和失控的自由电子。 所得到的等离子体可用于执行许多潜在任务,包括但不限于蚀刻,沉积和灭菌。 该摘要不被认为是限制性的,因为其他实施例可能偏离本摘要中描述的特征。