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1. 发明申请

WO2013074263A1 EDDY CURRENT BASED METHOD FOR COATING THICKNESS MEASUREMENT 审中-公开
标题翻译：用于涂层厚度测量的基于EDDY电流的方法
公开(公告)号：WO2013074263A1
公开(公告)日：2013-05-23
申请号：PCT/US2012/061780
申请日：2012-10-25
申请人： CATERPILLAR INC.
发明人： TIAN, Yong , REBINSKY, Douglas, Alexander , KINNEY, Christopher, Anthony , LUICK, Kegan
IPC分类号： G01B7/06
CPC分类号： G01B7/105 , G01B7/00 , G01N27/9086
摘要： A method of configuring an eddy current detector to measure a thickness of a coating (14) on a substrate (12) includes measuring an impedance of the coated substrate, and establishing an impendence plane plot using a computer. The method may also include determining a rotation angle. The rotation angle may be an angle of rotation of the impedance plane plot that will make the inductive reactance component of the impedance substantially insensitive to substrate electrical conductivity within a coating thickness range. The method may further include establishing a calibration curve that is substantially insensitive to substrate electrical conductivity using the rotation angle. The calibration curve may be a curve that relates the inductive reactance component of the impedance to coating thickness.
摘要翻译：配置涡流检测器以测量衬底（12）上的涂层（14）的厚度的方法包括测量涂覆的衬底的阻抗，以及使用计算机建立阻抗平面图。该方法还可以包括确定旋转角度。旋转角度可以是阻抗平面图的旋转角度，其将使得阻抗的感抗分量对涂层厚度范围内的基板导电性基本上不敏感。该方法可以进一步包括使用旋转角度建立对衬底导电性基本上不敏感的校准曲线。校准曲线可以是将阻抗的感抗分量与涂层厚度相关联的曲线。

2. 发明申请

WO2013109588A1 ZINC OXIDE SULFUR SENSORS AND METHODS OF MANUFACTURE THEREOF 审中-公开
标题翻译：氧化锌硫化物传感器及其制造方法
公开(公告)号：WO2013109588A1
公开(公告)日：2013-07-25
申请号：PCT/US2013/021676
申请日：2013-01-16
申请人： CATERPILLAR INC.
发明人： REBSINSKY, Douglas, Alexander , ALTIN, Orhan , TIAN, Yong , DUSHEKE, Ryan, A. , ZINDA, Luke, W. , BURROW, Maggie, R. , HASTINGS, Jedidah
IPC分类号： G01N27/26 , G01N27/30 , G01N33/22
CPC分类号： G01N33/287
摘要： A sensor is disclosed for determining a sulfur concentration in a liquid, such as a liquid fuel. The sensor includes a substrate (30) that is at least partially coated with zinc oxide and, more specifically, zinc oxide microstructures. The zinc oxide microstructures have a crystal lattice structure that is oriented in the (002) plane, are oxygen-deficient and have a rod-like microstructure. If the substrate (30) is conductive, it may be connected directly to a working electrode (32) which is connected to a potentiometer (36) which, in turn, is connected to a reference electrode (35). If the substrate (30) is non- conductive, the conductive layer can be deposited on the substrate (30) prior to deposition of the zinc oxide to form a working electrode (32). An application of a constant current (or voltage) to either electrode will result in a voltage across (or current flow between) the working and reference electrodes (32).
摘要翻译：公开了一种用于测定诸如液体燃料的液体中的硫浓度的传感器。传感器包括至少部分地涂覆有氧化锌的基底（30），更具体地说，是氧化锌微结构。氧化锌微结构具有在（002）面取向的晶格结构，是缺氧的并具有棒状微结构。如果衬底（30）是导电的，则它可以直接连接到工作电极（32），工作电极（32）连接到电位器（36），电位器又连接到参考电极（35）。如果衬底（30）是不导电的，则在沉积氧化锌以形成工作电极（32）之前，导电层可沉积在衬底（30）上。对任一电极施加恒定电流（或电压）将导致工作电极和参考电极（32）之间的电压（或电流流动）。

3. 发明申请

WO2011014635A2 ELECTROCHEMICAL SULFUR SENSOR 审中-公开
标题翻译：电化学硫磺传感器
公开(公告)号：WO2011014635A2
公开(公告)日：2011-02-03
申请号：PCT/US2010/043683
申请日：2010-07-29
申请人： CATERPILLAR INC. , REBINSKY, Douglas, A. , TIAN, Yong , LIU, Xiaodong , ZEMSKOVA, Svetlana
发明人： REBINSKY, Douglas, A. , TIAN, Yong , LIU, Xiaodong , ZEMSKOVA, Svetlana
IPC分类号： G01N27/30 , G01N27/416 , G01N27/406
CPC分类号： G01N27/4166 , G01N33/287
摘要： This disclosure relates to sulfur sensors that utilize sensing materials that can be used to detect ultra low concentrations of sulfur in liquids, such as below even 15 ppm. The sulfur sensors comprise a sensing electrode having a material that contributes an electrical element to the analysis and a material that contributes an ionic element to the analysis.
摘要翻译：本公开涉及使用可用于检测液体中超低浓度硫的感测材料的硫传感器，例如甚至低于15ppm。硫传感器包括感测电极，其具有有助于分析的电元件的材料和有助于分析的离子元件的材料。

4. 发明申请

WO2013109840A1 ZINC OXIDE SULFUR SENSOR MEASUREMENT SYSTEM 审中-公开
标题翻译： ZINC氧化物硫传感器测量系统
公开(公告)号：WO2013109840A1
公开(公告)日：2013-07-25
申请号：PCT/US2013/022081
申请日：2013-01-18
申请人： CATERPILLAR INC.
发明人： REBINSKY, Douglas, Alexander , TIAN, Yong , ALTIN, Orhan , LIU, Xiaodong
IPC分类号： G01N27/04 , G01N27/06 , G01N33/22
CPC分类号： G01N33/287 , G01N27/4035
摘要： A measurement system is disclosed for determining a sulfur concentration in a liquid (34), such as a liquid (34) fuel. The measurement system includes a first electrode (32) that is at least partially coated with zinc oxide and, more specifically, zinc oxide microstructures (31). The zinc oxide microstructures (310 have a crystal lattice structure that is oriented in the (002) plane. The first electrode (32) may be connected to an electrometer (36) which, in turn, may be connected to a second electrode (132). The second electrode (132) may be disposed on a common substrate (30) with the first electrode (32) or may be in the form of a plate disposed substantially parallel to the first electrode (32).
摘要翻译：公开了一种用于确定液体（34）中的硫浓度的测量系统，例如液体（34）燃料。测量系统包括至少部分地涂覆有氧化锌的第一电极（32），更具体地，氧化锌微结构（31）。氧化锌微结构（310）具有在（002）面中取向的晶格结构，第一电极（32）可以连接到静电计（36），静电计又可以连接到第二电极（132）第二电极（132）可以与第一电极（32）设置在共同的基板（30）上，或者可以是基本上平行于第一电极（32）设置的板的形式。

5. 发明申请

WO2011008926A2 ZINC OXIDE SULFUR SENSOR 审中-公开
标题翻译：氧化锌硫化物传感器
公开(公告)号：WO2011008926A2
公开(公告)日：2011-01-20
申请号：PCT/US2010/042094
申请日：2010-07-15
申请人： CATERPILLAR INC. , REBINSKY, Douglas, A. , ALTIN, Orhan , HASTINGS, Jedidiah, M. , TIAN, Yong
发明人： REBINSKY, Douglas, A. , ALTIN, Orhan , HASTINGS, Jedidiah, M. , TIAN, Yong
IPC分类号： G01N27/06 , G01N27/02 , G01N33/22
CPC分类号： G01N33/287
摘要： Sulfur sensors are formed by coating a conductive substrate with ZnO microstructures that are reactive with sulfur in liquids, such as fuel, using MOCVD. The ZnO is changed to ZnS over time and causes the voltage across the sensors to change under a constant current by at least about 25%. The time required for such saturation to occur can then be correlated to a sulfur concentration in the liquid.
摘要翻译：硫传感器通过使用MOCVD在导电基底上涂覆具有与液体例如燃料中的硫反应的ZnO微结构来形成。随着时间的推移，ZnO变为ZnS，并导致传感器两端的电压在恒定电流下至少变化约25％。这种饱和发生所需的时间可以与液体中的硫浓度相关联。

6. 发明申请

WO2013155452A1 METHOD OF EXTENDING THE SERVICE LIFE OF USED TURBOCHARGER COMPRESSOR WHEELS 审中-公开
标题翻译：延长使用涡轮增压器压缩机轮的使用寿命的方法
公开(公告)号：WO2013155452A1
公开(公告)日：2013-10-17
申请号：PCT/US2013/036432
申请日：2013-04-12
申请人： CATERPILLAR INC.
发明人： CORNELL, Sean, Olen , MCKIMPSON, Marvin, Grendel , TIAN, Yong , FEI, Dong
IPC分类号： F01D5/00 , F02C6/12 , F04D29/28
CPC分类号： F01D7/00 , F01D5/005 , F02C6/12 , F04D25/024 , F04D27/001 , F04D29/023 , F04D29/284 , F05D2220/40 , F05D2230/80 , F05D2230/90 , F05D2300/121 , Y10T29/49316
摘要： A method is provided for renewing a used metallic compressor wheel (14) having a damaged surface. The method generally comprises the steps of inspecting the used compressor wheel (14) for fatigue cracks and, if fatigue cracks exceeding a predetermined length are not present, renewing the used compressor wheel (14) by peening. The inspection process comprises conducting a non-destructive examination of the used compressor wheel (14) to detect cracks larger than those which would fall generally within the compressive stress zone that is generated with peening.
摘要翻译：提供了一种更新具有损坏表面的二手金属压缩机叶轮（14）的方法。该方法通常包括检查用过的压缩机叶轮（14）的疲劳裂纹的步骤，如果不存在超过预定长度的疲劳裂纹，则通过喷丸更新所使用的压缩机叶轮（14）。检查过程包括对用过的压缩机叶轮（14）进行非破坏性检查，以检测大于通常落在通过喷丸产生的压缩应力区域内的裂纹的裂纹。

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