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    • 2. 发明授权
    • Mass flow sensor utilizing a resistance bridge
    • 质量流量传感器利用电阻桥
    • US06684695B1
    • 2004-02-03
    • US10267110
    • 2002-10-08
    • Gustave C. FralickDanny P. HwangJohn D. Wrbanek
    • Gustave C. FralickDanny P. HwangJohn D. Wrbanek
    • G01F168
    • G01F1/6842G01F1/6845
    • A mass flow sensor to be mounted within a duct and measures the mass flow of a fluid stream moving through the duct. The sensor is an elongated thin quartz substrate having a plurality of platinum strips extending in a parallel relationship on the strip, with certain of the strips being resistors connected to an excitation voltage. The resistors form the legs of a Wheatstone bridge. The resistors are spaced a sufficient distance inwardly from the leading and trailing edges of the substrate to lie within the velocity recovery region so that the measured flow is the same as the actual upstream flow. The resistor strips extend at least half-way through the fluid stream to include a substantial part of the velocity profile of the stream. Certain of the resistors detect a change in temperature as the fluid stream moves across the substrate to provide an output signal from the Wheatstone bridge which is representative of the fluid flow. A heater is located in the midst of the resistor array to heat the air as it passes over the array.
    • 安装在管道内的质量流量传感器,并测量流过管道的流体流的质量流量。 传感器是细长的薄的石英衬底,其具有在条带上以平行关系延伸的多个铂带,其中某些条是连接到激励电压的电阻。 电阻器形成惠斯通电桥的腿。 电阻器从衬底的前缘和后缘向内分开足够的距离以位于速度恢复区域内,使得所测量的流量与实际上游流量相同。 电阻条至少延伸通过流体流的一半,以包括流的大部分速度分布。 当流体流穿过衬底移动时,某些电阻器检测温度变化,以提供代表流体流的惠斯通电桥的输出信号。 加热器位于电阻器阵列的中间,以在空气通过阵列时加热空气。
    • 4. 发明授权
    • Space radiation detector with spherical geometry
    • 具有球形几何形状的空间辐射探测器
    • US08159669B2
    • 2012-04-17
    • US12972624
    • 2010-12-20
    • John D. WrbanekGustave C. FralickSusan Y. Wrbanek
    • John D. WrbanekGustave C. FralickSusan Y. Wrbanek
    • G01N15/02
    • G01N15/02
    • A particle detector is provided, the particle detector including a spherical Cherenkov detector, and at least one pair of detector stacks. In an embodiment of the invention, the Cherenkov detector includes a sphere of ultraviolet transparent material, coated by an ultraviolet reflecting material that has at least one open port. The Cherenkov detector further includes at least one photodetector configured to detect ultraviolet light emitted from a particle within the sphere. In an embodiment of the invention, each detector stack includes one or more detectors configured to detect a particle traversing the sphere.
    • 提供了一种粒子检测器,该粒子检测器包括球形切伦科夫检测器和至少一对检测器堆叠。 在本发明的一个实施方案中,切伦科夫检测器包括由紫外线反射材料涂覆的具有至少一个开放端口的紫外线透明材料球。 切伦科夫检测器还包括至少一个被配置为检测从球体内的颗粒发射的紫外光的光电检测器。 在本发明的实施例中,每个检测器堆叠包括一个或多个检测器,其被配置为检测穿过该球体的粒子。
    • 5. 发明授权
    • Space radiation detector with spherical geometry
    • 具有球形几何形状的空间辐射探测器
    • US07872750B1
    • 2011-01-18
    • US12285173
    • 2008-09-30
    • John D. WrbanekGustave C. FralickSusan Y. Wrbanek
    • John D. WrbanekGustave C. FralickSusan Y. Wrbanek
    • G01N15/02
    • G01N15/02
    • A particle detector is provided, the particle detector including a spherical Cherenkov detector, and at least one pair of detector stacks. In an embodiment of the invention, the Cherenkov detector includes a sphere of ultraviolet transparent material, coated by an ultraviolet reflecting material that has at least one open port. The Cherenkov detector further includes at least one photodetector configured to detect ultraviolet light emitted from a particle within the sphere. In an embodiment of the invention, each detector stack includes one or more detectors configured to detect a particle traversing the sphere.
    • 提供了一种粒子检测器,该粒子检测器包括球形切伦科夫检测器和至少一对检测器堆叠。 在本发明的一个实施方案中,切伦科夫检测器包括由紫外线反射材料涂覆的具有至少一个开放端口的紫外线透明材料球。 切伦科夫检测器还包括至少一个被配置为检测从球体内的颗粒发射的紫外光的光电检测器。 在本发明的实施例中,每个检测器堆叠包括一个或多个检测器,其被配置为检测穿过该球体的粒子。
    • 6. 发明授权
    • Method of assembling a silicon carbide high temperature anemometer
    • 组装碳化硅高温风速计的方法
    • US06794213B1
    • 2004-09-21
    • US10637083
    • 2003-08-05
    • Robert S. OkojieGustave C. FralickGeorge J. Saad
    • Robert S. OkojieGustave C. FralickGeorge J. Saad
    • H01L2100
    • G01F1/28G01P5/02
    • A high temperature anemometer includes a pair of substrates. One of the substrates has a plurality of electrodes on a facing surface, while the other of the substrates has a sensor cavity on a facing surface. A sensor is received in the sensor cavity, wherein the sensor has a plurality of bondpads, and wherein the bond pads contact the plurality of electrodes when the facing surfaces are mated with one another. The anemometer further includes a plurality of plug-in pins, wherein the substrate with the cavity has a plurality of trenches with each one receiving a plurality of plug-in pins. The plurality of plug-in pins contact the plurality of electrodes when the substrates are mated with one another. The sensor cavity is at an end of one of the substrates such that the sensor partially extends from the substrate. The sensor and the substrates are preferably made of silicon carbide.
    • 高温风速计包括一对基板。 其中一个基板在相对表面上具有多个电极,而另一个基板在相对表面上具有传感器腔。 传感器容纳在传感器腔中,其中传感器具有多个粘合垫,并且其中当相对表面彼此配合时,接合焊盘与多个电极接触。 风速计还包括多个插入式针脚,其中具有空腔的衬底具有多个沟槽,每个沟槽都容纳多个插入式插脚。 当基板彼此配合时,多个插入销与多个电极接触。 传感器腔位于其中一个基板的端部,使得传感器部分地从基板延伸。 传感器和基板优选地由碳化硅制成。
    • 7. 发明授权
    • Thermocouple boundary layer rake
    • 热电偶边界层耙
    • US06382024B1
    • 2002-05-07
    • US09613052
    • 2000-06-28
    • Danny P. HwangHerbert A. WillGustave C. Fralick
    • Danny P. HwangHerbert A. WillGustave C. Fralick
    • G01F168
    • G01F1/6842
    • Apparatus and method for providing a velocity flow profile near a reference surface. A measuring device utilizes a plurality of thermojunction pairs to provide the velocity flow profile in accordance with behavior of a gas relative to a constant thickness strut which stands vertically from the reference surface such that the span is normal to the surface, and the chord is parallel to the surface along the initial flow direction. Each thermojunction is carried on either side of a heater formed on a measuring surface in a constant thickness portion of a strut. Additionally, each thermojunction of a given pair is located at a predetermined height from the reference surface. Gas velocity data obtained from temperature differentials from one side of the heater to the other at each successive height is utilized to generate the velocity and turbulence level profiles.
    • 用于在参考表面附近提供速度流分布的装置和方法。 测量装置利用多个热连接对来根据气体相对于参考表面垂直放置的恒定厚度支柱的行为提供速度流动分布,使得跨度垂直于表面,并且弦是平行的 沿着初始流动方向到达表面。 每个热连接件在形成在支柱的恒定厚度部分的测量表面上的加热器的任一侧上承载。 此外,给定对的每个热连接位于距离参考表面的预定高度处。 利用从加热器一侧到每个连续高度的温差的气体速度数据来产生速度和湍流水平分布。
    • 8. 发明授权
    • Silicon carbide high temperature anemometer and method for assembling the same
    • 碳化硅高温风速计及其组装方法
    • US06647809B1
    • 2003-11-18
    • US10233182
    • 2002-08-29
    • Robert S. OkojieGustave C. FralickGeorge J. Saad
    • Robert S. OkojieGustave C. FralickGeorge J. Saad
    • G01P506
    • G01F1/28G01P5/02
    • A high temperature anemometer includes a pair of substrates. One of the substrates has a plurality of electrodes on a facing surface, while the other of the substrates has a sensor cavity on a facing surface. A sensor is received in the sensor cavity, wherein the sensor has a plurality of bondpads, and wherein the bond pads contact the plurality of electrodes when the facing surfaces are mated with one another. The anemometer further includes a plurality of plug-in pins, wherein the substrate with the cavity has a plurality of trenches with each one receiving a plurality of plug-in pins. The plurality of plug-in pins contact the plurality of electrodes when the substrates are mated with one another. The sensor cavity is at an end of one of the substrates such that the sensor partially extends from the substrate. The sensor and the substrates are preferably made of silicon carbide.
    • 高温风速计包括一对基板。 其中一个基板在相对表面上具有多个电极,而另一个基板在相对表面上具有传感器腔。 传感器容纳在传感器腔中,其中传感器具有多个粘合垫,并且其中当相对表面彼此配合时,接合焊盘与多个电极接触。 风速计还包括多个插入式针脚,其中具有空腔的衬底具有多个沟槽,每个沟槽都容纳多个插入式插脚。 当基板彼此配合时,多个插入销与多个电极接触。 传感器腔位于其中一个基板的端部,使得传感器部分地从基板延伸。 传感器和基板优选地由碳化硅制成。