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    METHOD AND SYSTEM FOR DETERMINING HARDNESS INFORMATION OF COMPONENTS
    1.
    发明申请
    METHOD AND SYSTEM FOR DETERMINING HARDNESS INFORMATION OF COMPONENTS 审中-公开
    用于确定组件硬度信息的方法和系统

    公开(公告)号：US20160238502A1

    公开(公告)日：2016-08-18

    申请号：US15141073

    申请日：2016-04-28

    Applicant: Caterpillar Inc.

    Inventor： Anthony S. Wilshire ,  Dong Fei

    IPC: G01N3/40 ,  G01N27/02

    CPC classification number: G01N3/40 ,  B23B2270/483 ,  G01N2203/0053

    Abstract: A method for determining hardness information of a component is disclosed. The method comprises forming at least one hole of a predetermined depth at a predetermined location on a surface of the component, measuring the hardness information of the component at the predetermined depth through the hole using one of a probe and a drill, and filling the at least one hole with a filler material.

    Abstract translation: 公开了一种用于确定部件的硬度信息的方法。 该方法包括在组件的表面上的预定位置处形成预定深度的至少一个孔，使用探头和钻头中的一个，通过孔测量在预定深度处的部件的硬度信息，并填充 至少有一个孔与填充材料。

    Light Based Fuel Sulfur Sensor and System
    2.
    发明申请
    Light Based Fuel Sulfur Sensor and System 审中-公开
    轻型燃料硫传感器和系统

    公开(公告)号：US20130044324A1

    公开(公告)日：2013-02-21

    申请号：US13656014

    申请日：2012-10-19

    Applicant: CATERPILLAR INC.

    Inventor： Douglas A. Rebinsky ,  Dong Fei ,  Svetlana M. Zemskova

    IPC: G01N21/84

    CPC classification number: G01N21/64 ,  G01N33/287 ,  Y10T436/18 ,  Y10T436/188

    Abstract: An ultraviolet sensor arrangement detects the amount of sulfur in a fuel of an internal combustion engine by emitting an ultraviolet light field in the presence of the fuel. A detector is disposed to detect a responsive amount of fluorescent light and provide a sensing signal indicative of the amount of sulfur in the fuel. A filter (or filters) receives the sensing signal and provides a filtered sensing signal to a sensing circuit.

    Abstract translation: 紫外线传感器装置通过在存在燃料的情况下发射紫外光场来检测内燃机的燃料中的硫的量。 设置检测器以检测响应量的荧光，并提供指示燃料中硫的量的感测信号。 滤波器（或滤波器）接收感测信号并将滤波的感测信号提供给感测电路。

    Weld inspection method and system
    4.
    发明授权
    Weld inspection method and system 有权

    公开(公告)号：US09823224B2

    公开(公告)日：2017-11-21

    申请号：US14936388

    申请日：2015-11-09

    Applicant: Caterpillar Inc.

    Inventor： Michael T. Buelsing ,  Jean O. Bridge ,  Leon Adcock ,  Gregory H. Dubay ,  Dong Fei ,  Donald Stickel

    IPC: G01N21/00 ,  G01N29/06 ,  G01N29/26 ,  G01N29/265

    CPC classification number: G01N29/06 ,  G01N29/069 ,  G01N29/262 ,  G01N29/265 ,  G01N2291/2675

    Abstract: A system for inspecting a weld on a component where the weld has a plurality of cross-sections includes a camera disposed above the weld that optically senses a weld position. A projector disposed above the weld projects on to the component along a length of the weld position a primary scan path with a primary scan path start point and a primary scan path end point. An imaging probe scans the weld as the imaging probe moves from the primary scan path start point to the primary scan path end point to generate a plurality of 2D cross-sectional images of the weld corresponding to the cross-sections of the weld, the imaging probe having a position and skew angle that vary as the imaging probe moves. Each 2D cross-sectional image of the weld is optically encoded with a respective imaging probe position and a respective imaging probe skew angle.

    Method of Extending the Service Life of Used Turbocharger Compressor Wheels
    5.
    发明申请
    Method of Extending the Service Life of Used Turbocharger Compressor Wheels 有权
    扩大二手涡轮增压器压缩机轮的使用寿命的方法

    公开(公告)号：US20130272889A1

    公开(公告)日：2013-10-17

    申请号：US13856657

    申请日：2013-04-04

    Applicant: CATERPILLAR INC.

    Inventor： Sean Olen Cornell ,  Marvin Grendel McKimpson ,  Yong Tian ,  Dong Fei

    IPC: F01D7/00

    CPC classification number: F01D7/00 ,  F01D5/005 ,  F02C6/12 ,  F04D25/024 ,  F04D27/001 ,  F04D29/023 ,  F04D29/284 ,  F05D2220/40 ,  F05D2230/80 ,  F05D2230/90 ,  F05D2300/121 ,  Y10T29/49316

    Abstract: A method is provided for extending the service life of a used metallic compressor wheel having a damaged surface. The method generally comprises the steps of inspecting the used compressor wheel for material discontinuities such as fatigue cracks and, if fatigue cracks exceeding a predetermined length are not present, renewing the used compressor wheel such as by peening. The inspection process comprises conducting a non-destructive examination of the used compressor wheel to detect cracks larger than those which would fall generally within the compressive stress zone that is generated by peening.

    Abstract translation: 提供了一种延长具有损坏表面的废旧金属压缩机轮的使用寿命的方法。 该方法通常包括以下步骤：检查用过的压缩机叶轮是否存在诸如疲劳裂纹的材料不连续性，并且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。 检查过程包括对所使用的压缩机叶轮进行非破坏性检查，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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