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    • 63. 发明授权
    • Detection of moisture in refrigerants
    • 检测制冷剂中的水分
    • US07728978B2
    • 2010-06-01
    • US11873723
    • 2007-10-17
    • Xin ZhouXiang LiuGregory M. Sanger
    • Xin ZhouXiang LiuGregory M. Sanger
    • G01N21/00G01N21/37
    • G01N21/3504G01N21/031G01N21/3554G01N21/39
    • Moisture can be detected in a refrigerant background such as HFC (Hydrofluorocarbon) HFC-134A and HFC-152A and exampled by HFC-23, HFC-32, HFC-143A, HFC-125, HFC-245FA, HFC-227EA, and the like. The system can include a light source operating at any one of several wavelengths within the water absorption bands at wavelengths such as 1.4, 1.9 and 2.7 μm and a detector that measures the transmitted light intensity through the HFC samples. In one variation, the light source is a tunable diode laser and the moisture level is determined by direct absorption and harmonic spectroscopy. Related techniques, apparatus, systems, and articles are also described.
    • 可以在制冷剂背景下检测水分,例如HFC(HFC),HFC-134A和HFC-152A,并由HFC-23,HFC-32,HFC-143A,HFC-125,HFC-245FA,HFC-227EA和 喜欢。 该系统可以包括在诸如1.4,1.9和2.7μm的波长的范围内在吸水带内的几个波长中的任何一个处操作的光源和测量通过HFC样品的透射光强度的检测器。 在一个变型中,光源是可调谐二极管激光器,并且通过直接吸收和谐波光谱确定水分含量。 还描述了相关技术,装置,系统和制品。
    • 64. 发明授权
    • Background compensation by multiple-peak measurements for absorption spectroscopy-based gas sensing
    • 基于吸收光谱法的气体感测的多峰测量的背景补偿
    • US07586094B2
    • 2009-09-08
    • US11929525
    • 2007-10-30
    • Xiang LiuXin ZhouAlfred FeitischGregory M. Sanger
    • Xiang LiuXin ZhouAlfred FeitischGregory M. Sanger
    • G01J5/02
    • G01N21/3504G01N21/274G01N21/314G01N21/39G01N2201/1215
    • Concentrations of a target analyte in a gas mixture containing one or more background analytes having potentially interfering spectral absorption features can be calculated by compensating for background analyte absorption at a target wavelength used to quantify the target analyte. Absorption can be measured at a reference wavelength chosen to quantify the concentration of the background analyte. Using a background gas adjustment factor or function, the absorption measured at the reference wavelength can be used to calculate absorption due to the background analyte at the target wavelength and thereby compensate for this background absorption to more accurately calculate the target analyte concentration in real or near real time. Additional background analytes can optionally be compensated for by using one or more additional reference wavelengths.
    • 含有具有潜在干扰光谱吸收特征的一种或多种背景分析物的气体混合物中的目标分析物的浓度可以通过补偿用于量化目标分析物的目标波长的背景分析物吸收来计算。 可以在选择的参考波长处测量吸光度,以量化背景分析物的浓度。 使用背景气体调节因子或功能,可以使用在参考波长处测量的吸收来计算由于目标波长的背景分析物引起的吸收,从而补偿该背景吸收,以更精确地计算实际或近似的目标分析物浓度 即时的。 可以通过使用一个或多个另外的参考波长来可选地补偿附加的背景分析物。
    • 67. 发明申请
    • Electrical switching apparatus and method employing acoustic and current signals to distinguish between parallel and series arc faults
    • 电气开关装置和方法采用声流和电流信号来区分并联和串联电弧故障
    • US20070263329A1
    • 2007-11-15
    • US11431332
    • 2006-05-10
    • Xin ZhouJerome HastingsJoseph Zuercher
    • Xin ZhouJerome HastingsJoseph Zuercher
    • H02H3/00
    • H01H83/20G01R31/1272H01H2083/201H02H1/0023
    • A circuit breaker includes a first lug and second and third acoustic lugs electrically connected to a power circuit. Separable contacts are electrically connected in series between the first lug and the second acoustic lug. An operating mechanism opens and closes the separable contacts. A first acoustic sensor is coupled to the second acoustic lug and senses a first acoustic signal from the second acoustic lug. A second acoustic sensor is coupled to the third acoustic lug and senses a second acoustic signal from the third acoustic lug. The first and second acoustic signals are operatively associated with a power circuit fault. A current sensor senses a current flowing between the first and second lugs. A circuit inputs the sensed acoustic signals and the sensed current and detects and distinguishes a parallel arc fault or a series arc fault from the sensed acoustic signals and the sensed current.
    • 断路器包括电连接到电源电路的第一凸耳和第二和第三声学凸耳。 可分离的触点串联地电连接在第一凸耳和第二声学凸耳之间。 操作机构打开和关闭可分离触点。 第一声​​传感器耦合到第二声耳,并且感测来自第二声耳的第一声信号。 第二声传感器耦合到第三声耳片并感测来自第三声耳的第二声信号。 第一和第二声信号与电源电路故障可操作地相关联。 电流传感器感测在第一和第二凸耳之间流动的电流。 A电路输入感测到的声信号和检测到的电流,并检测并区分平行电弧故障或串联电弧故障与感测到的声信号和检测到的电流。
    • 69. 发明授权
    • Electro-optical voltage sensor circuit monitoring leakage or loss of vacuum of a vacuum interrupter and vacuum circuit interrupter including the same
    • 电光电压传感器电路监测真空断路器和真空断路器的真空泄漏或损失,包括相同的
    • US07253630B1
    • 2007-08-07
    • US11470001
    • 2006-09-05
    • Xin ZhouJames J. BenkeDaniel E. Palmieri
    • Xin ZhouJames J. BenkeDaniel E. Palmieri
    • G01R31/02
    • G01R31/3274
    • A vacuum circuit breaker includes a line terminal, a load terminal and a vacuum interrupter having a vacuum envelope containing a fixed contact assembly and a moveable contact assembly moveable between closed and open circuit positions. The fixed contact assembly is electrically interconnected with the line terminal and the moveable contact assembly is electrically connected to the load terminal. An operating mechanism moves the moveable contact assembly between the closed and open circuit positions. An auxiliary contact indicates one of the open or closed circuit positions. An electro-optical voltage sensor determines a voltage difference between the line and load terminals, or the shield and one of the line and load terminals. A circuit determines no leakage or loss of vacuum of the vacuum envelope when the vacuum switch is intended to be in the open circuit position and when the voltage difference is greater than a predetermined amount.
    • 真空断路器包括线路端子,负载端子和真空断路器,其具有包含固定接触组件的真空外壳和可在闭合位置和开路位置之间移动的可移动接触组件。 固定接触组件与线路端子电互连,并且可移动接触组件电连接到负载端子。 操作机构将可动触头组件移动到闭合位置和开路位置之间。 辅助触点表示开路或闭路位置之一。 电光电压传感器确定线路和负载端子之间的电压差,或屏蔽以及线路和负载端子之间的电压差。 当真空开关打算处于开路位置时以及当电压差大于预定量时,电路确定真空外壳的泄漏或真空损失。
    • 70. 发明申请
    • System and method for generating route target attributes
    • 用于生成路由目标属性的系统和方法
    • US20070177596A1
    • 2007-08-02
    • US11344944
    • 2006-01-31
    • Swapna BapatChandrasekar KathirveluXin Zhou
    • Swapna BapatChandrasekar KathirveluXin Zhou
    • H04L12/56
    • H04L45/00H04L41/0806H04L45/502
    • A system for, and method of, generating a minimum quantity of route target attributes is described. According to a method embodiment, a minimal set of unique permutations of data flows between sites of one or more Virtual Private Network (VPNs) is computed by comparing permutations of data flows to and from each site of a customer (i.e., variations of connectivity between sites) and identifying which permutation of data flows are unique while ignoring any duplicate permutations of data flows. Unique route target attributes are then generated, each route target attribute corresponding to a particular one of the unique permutations of data flows. Typically, the quantity of unique route target numbers generated is equal to the minimum quantity of unique permutations of data flows.
    • 描述了生成最小数量的路线目标属性的系统和方法。 根据方法实施例,通过比较与客户的每个站点的数据流的排列来计算在一个或多个虚拟专用网(VPN)的站点之间的数据流的唯一排列的最小集合(即, 站点),并识别数据流的排列是唯一的,同时忽略数据流的任何重复排列。 然后生成唯一的路由目标属性,每个路由目标属性对应于数据流的唯一排列中的特定一个。 通常,生成的唯一路由目标数量的数量等于数据流的唯一排列的最小数量。