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1. 发明申请

US20170168016A1 PULSED EDDY CURRENT TESTING WITH DUAL-PURPOSE COILS 有权
公开(公告)号：US20170168016A1
公开(公告)日：2017-06-15
申请号：US15378611
申请日：2016-12-14
申请人： EDDYFI NDT INC.
发明人： Florian HARDY , Maxime ROCHETTE , Marc GRENIER , Vincent DEMERS-CARPENTIER
IPC分类号： G01N27/90 , G01N17/04
CPC分类号： G01N27/9033 , G01N17/04 , G01N27/82 , G01N27/902 , G01N27/904
摘要： A Pulsed Eddy Current device for inspecting an object made of an electrically conductive material comprising: at least one dual-purpose coil serving a dual purpose of producing a supplied magnetic field in the object and measuring a produced magnetic field emitted by the object, a transmitter circuit driving the dual-purpose coil(s) with an electrical signal, a shut-off current circuit for the transmitter circuit for cutting-off a current in the dual-purpose coil(s) during a cut-off phase of the electrical signal, the shut-off current circuit applying a voltage inversion on the dual-purpose coil(s) and a receiver circuit for reading the produced magnetic field from the dual-purpose coil(s). A method for inspecting an object comprising supplying a voltage on at least one dual-purpose coil, cutting-off a current in the dual-purpose coil(s) by applying a voltage inversion on the dual-purpose coil(s) and receiving, at the dual-purpose coil(s), a produced magnetic field.

2. 发明申请

US20150177191A1 HIGH RESOLUTION EDDY CURRENT ARRAY PROBE 审中-公开
标题翻译：高分辨率EDDY电流阵列探头
公开(公告)号：US20150177191A1
公开(公告)日：2015-06-25
申请号：US14409020
申请日：2013-06-20
申请人： EDDYFI NDT INC.
发明人： Florian Hardy , Marc Grenier
IPC分类号： G01N27/90 , G01R33/09 , G01R33/07
CPC分类号： G01N27/9033 , G01N27/9013 , G01N27/904 , G01R33/07 , G01R33/09
摘要： An eddy current array probe comprising a probe body adapted to be displaced along a scan direction; a plurality of coils arranged in a linear configuration on the surface of the probe body, the coils being adapted to be operated in one mode among a transmit mode, an inactive mode and a receive mode at each of a plurality of time-spaced instances, at least two adjacent coils of the plurality being adapted to be operated in the inactive mode between a coil adapted to be in transmit mode and a coil adapted to be in receive mode in the linear configuration at each of the time-spaced instances; at least one conductor extending from the probe body; each coil of the plurality being connected to one of the at least one conductor and a common return path. In one embodiment, the coils have an elongated shape.
摘要翻译：一种涡流阵列探头，包括适于沿着扫描方向移位的探针体; 在探针主体的表面上以线性配置布置的多个线圈，所述线圈适于在多个时间间隔的每一个的发送模式，非活动模式和接收模式中以一种模式操作，所述多个的至少两个相邻线圈适于在适于处于发射模式的线圈和适于处于每个时间间隔实例处的线性配置的接收模式中的线圈之间以非活动模式操作; 至少一个从探针本体延伸的导体; 所述多个线圈中的每个线圈连接到所述至少一个导体中的一个和公共返回路径。在一个实施例中，线圈具有细长形状。

3. 发明申请

US20150143910A1 ULTRASONIC TRANSMITTER CIRCUIT WITH MATCHED IMPEDANCE 审中-公开
标题翻译：具有匹配阻抗的超声波发射器电路
公开(公告)号：US20150143910A1
公开(公告)日：2015-05-28
申请号：US14409011
申请日：2013-07-23
申请人： EDDYFI NDT INC.
发明人： Florian Hardy , Eric Morissette
IPC分类号： G01B17/02 , H03H7/38
CPC分类号： G01B17/02 , H03H7/38
摘要： A transmitter circuit and method for an ultrasonic thickness measurement system having an ultrasonic transducer and a cable with known cable impedance, the cable connecting at least the transmitter circuit to the ultrasonic transducer, the transmitter circuit comprising: an electrical pulse voltage signal emitter for producing an electrical pulse voltage signal to be propagated over the cable to the ultrasonic transducer, the electrical pulse voltage signal having a pulse nominal voltage value; a matched impedance circuit for matching a cable impedance of the cable at the transmitter circuit for an electrical parasitic reflection signal of the electrical pulse voltage signal, the electrical parasitic reflection signal being caused by an impedance mismatch between the cable and the ultrasonic transducer, a parasitic nominal voltage value of the electrical parasitic reflection signal being at most the pulse nominal voltage value.
摘要翻译：一种用于超声波测厚系统的发射机电路和方法，其具有超声波换能器和具有已知电缆阻抗的电缆，所述电缆至少将所述发射机电路连接到所述超声换能器，所述发射机电路包括：电脉冲电压信号发射器，用于产生电脉冲电压信号通过电缆传播到超声换能器，电脉冲电压信号具有脉冲标称电压值; 匹配阻抗电路，用于匹配发射机电路处的电缆的电缆阻抗，用于电脉冲电压信号的电寄生反射信号，电寄生反射信号由电缆和超声换能器之间的阻抗失配引起，寄生电气寄生反射信号的标称电压值至多为脉冲额定电压值。

4. 发明授权

US10794864B2 Eddy current array probe with independent transmitters 有权
公开(公告)号：US10794864B2
公开(公告)日：2020-10-06
申请号：US15303292
申请日：2015-04-14
申请人： EddyFI NDT Inc.
发明人： Michäel Sirois , Stèfan Parmentier , Marc Grenier , Nathan Decourcelle
IPC分类号： G01N27/90
摘要： There is described an eddy current array probe for detection and depth sizing of a surface-breaking defect in a metallic material, said eddy current array probe comprising: a probe body comprising a plurality of probe elements arranged in a linear configuration, the probe elements each comprising at least one coil, the probe body being adapted to be displaced along a surface of the metallic material so that a longitudinal axis of the coil be parallel to the surface of the metallic material, the coil, when in use, being adapted to induce an eddy current within the metallic material detect the eddy current; and a set of active elements of the plurality of probe elements being adapted to be selectively operated at a plurality of time-spaced instances.

5. 发明申请

US20140361764A1 ADAPTIVE ELECTROMAGNETIC PROBE FOR TWISTED TUBE HEAT EXCHANGER 有权
标题翻译：用于双向热交换器的自适应电磁探头
公开(公告)号：US20140361764A1
公开(公告)日：2014-12-11
申请号：US14300681
申请日：2014-06-10
申请人： EDDYFI NDT INC.
发明人： Olivier LAVOIE , Martin BOURGAULT , Marc GRENIER , François DION
IPC分类号： G01N27/90
CPC分类号： G01N27/82 , G01N27/9013
摘要： An electromagnetic probe for non-destructive inspection of a twisted tube of a twisted tube heat exchanger comprising a probe body having a sensing section being configured to allow circulation of the probe body within the length of circular tube and the length of helical oval tube and to allow displacement of the electromagnetic sensor(s) from a radially inward contracted position to a radially outward expanded position in close proximity to an interior surface of a crest of the oval tube; a conduit attached to a proximal end of the probe body, the at least one conductor extending within the conduit to a remote end of the electromagnetic probe.
摘要翻译：一种电磁探头，用于对扭转管式热交换器的扭转管的非破坏性检查，其包括具有感测部分的探针主体，该感测部分被配置为允许探针主体在圆形管的长度内和螺旋椭圆形管的长度内循环，并且允许电磁传感器从径向向内收缩的位置移动到紧邻椭圆形管的顶部的内表面的径向向外扩张位置; 连接到探针主体的近端的导管，所述至少一个导体在导管内延伸到电磁探针的远端。

6. 发明申请

US20210033565A1 Probe for Eddy Current Non-Destructive Testing 有权
公开(公告)号：US20210033565A1
公开(公告)日：2021-02-04
申请号：US16967708
申请日：2019-02-08
申请人： EDDYFI NDT INC.
发明人： Vincent Demers-Carpentier , Marco Michèle Sisto
IPC分类号： G01N27/90
摘要： There is described an Eddy current probe for non-destructive testing, comprising: a first leg extending along a first longitudinal axis between a first proximal end and a first distal end; a second leg extending along a second longitudinal axis between a second proximal end and a second distal end; a high magnetic permeability body extending at least partially between the first and second longitudinal axes, the high magnetic permeability body being spaced apart from the first and second legs by a gap and the high magnetic permeability body and the first and second legs being each made of a high magnetic permeability material; and at least one excitation coil each secured to at least one of the first leg and the second leg.

7. 发明授权

US09880130B2 Pulsed eddy current testing with dual-purpose coils 有权
公开(公告)号：US09880130B2
公开(公告)日：2018-01-30
申请号：US15378611
申请日：2016-12-14
申请人： EDDYFI NDT INC.
发明人： Florian Hardy , Maxime Rochette , Marc Grenier , Vincent Demers-Carpentier
IPC分类号： G01N27/90 , G01N27/82 , G01N17/04
CPC分类号： G01N27/9033 , G01N17/04 , G01N27/82 , G01N27/902 , G01N27/904
摘要： A Pulsed Eddy Current device for inspecting an object made of an electrically conductive material comprising: at least one dual-purpose coil serving a dual purpose of producing a supplied magnetic field in the object and measuring a produced magnetic field emitted by the object, a transmitter circuit driving the dual-purpose coil(s) with an electrical signal, a shut-off current circuit for the transmitter circuit for cutting-off a current in the dual-purpose coil(s) during a cut-off phase of the electrical signal, the shut-off current circuit applying a voltage inversion on the dual-purpose coil(s) and a receiver circuit for reading the produced magnetic field from the dual-purpose coil(s). A method for inspecting an object comprising supplying a voltage on at least one dual-purpose coil, cutting-off a current in the dual-purpose coil(s) by applying a voltage inversion on the dual-purpose coil(s) and receiving, at the dual-purpose coil(s), a produced magnetic field.

8. 发明授权

US11428668B2 Probe for eddy current non-destructive testing 有权
公开(公告)号：US11428668B2
公开(公告)日：2022-08-30
申请号：US16967708
申请日：2019-02-08
申请人： EDDYFI NDT INC.
发明人： Vincent Demers-Carpentier , Marco Michèle Sisto
IPC分类号： G01N27/90
摘要： There is described an Eddy current probe for non-destructive testing, comprising: a first leg extending along a first longitudinal axis between a first proximal end and a first distal end; a second leg extending along a second longitudinal axis between a second proximal end and a second distal end; a high magnetic permeability body extending at least partially between the first and second longitudinal axes, the high magnetic permeability body being spaced apart from the first and second legs by a gap and the high magnetic permeability body and the first and second legs being each made of a high magnetic permeability material; and at least one excitation coil each secured to at least one of the first leg and the second leg.

9. 发明申请

US20190041361A1 DEVICE FOR PULSED EDDY CURRENT TESTING OF FERROMAGNETIC STRUCTURES COVERED WITH FERROMAGNETIC PROTECTIVE JACKET 审中-公开
公开(公告)号：US20190041361A1
公开(公告)日：2019-02-07
申请号：US16052776
申请日：2018-08-02
申请人： EDDYFI NDT INC.
发明人： Marco Michele SISTO , Maxime ROCHETTE , Florian HARDY , Louis-Philippe DION
IPC分类号： G01N27/90
摘要： A Pulsed Eddy Current (PEC) probe for PEC testing of a ferromagnetic object covered with a ferromagnetic protective jacket, the PEC probe comprising: at least one coil for at least one of generating an inspection magnetic field and detecting an induced magnetic field; at least one permanent magnet for magnetically saturating the ferromagnetic protective jacket; and means for selectively reducing an attraction between the at least one magnet and the ferromagnetic protective jacket.

10. 发明申请

US20170030862A1 Eddy Current Array Probe With Independent Transmitters 审中-公开
标题翻译：带独立变送器的涡流阵列探头
公开(公告)号：US20170030862A1
公开(公告)日：2017-02-02
申请号：US15303292
申请日：2015-04-14
申请人： EddyFI NDT Inc.
发明人： Michäel SIROIS , Stèfan PARMENTIER , Marc GRENIER , Nathan DECOURCELLE
IPC分类号： G01N27/90
摘要： There is described an eddy current array probe for detection and depth sizing of a surface- breaking defect in a metallic material, said eddy current array probe comprising: a probe body comprising a plurality of probe elements arranged in a linear configuration, the probe elements each comprising at least one coil, the probe body being adapted to be displaced along a surface of the metallic material so that a longitudinal axis of the coil be parallel to the surface of the metallic material, the coil, when in use, being adapted to induce an eddy current within the metallic material detect the eddy current; and a set of active elements of the plurality of probe elements being adapted to be selectively operated at a plurality of time-spaced instances.
摘要翻译：描述了一种涡流阵列探针，用于金属材料中的表面破裂缺陷的检测和深度尺寸测量，所述涡流阵列探头包括：探针主体，包括以直线构型布置的多个探针元件，每个探针元件包括至少一个线圈，所述探针主体适于沿着所述金属材料的表面移位，使得所述线圈的纵向轴线平行于所述金属材料的表面，所述线圈在使用时适于诱导金属材料内的涡流检测涡流; 并且所述多个探针元件中的一组有源元件适于在多个时间间隔的情况下选择性地操作。

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