公开(公告)号：EP1437598A3

公开(公告)日：2005-12-21

申请号：EP03079120.6

申请日：2003-12-18

Applicant: Delphi Technologies, Inc.

Inventor： Schroeder, Thaddeus ,  Diem, Earl D. ,  Jalics, Laci J. ,  Szczublewski, Francis E.

IPC: G01P3/48 ,  G01P3/489 ,  G08C19/00 ,  F02D41/34

CPC classification number: G01P3/22 ,  G01P3/44

Abstract: Sensor assembly 20 and method for non-intrusively sensing instantaneous speed of an engine are provided. The engine includes a crankshaft having a respective end connected to an externally accessible bolt 12. The sensor assembly comprises a housing 22 including a recess 23 configured to affixingly engage the externally accessible bolt. The sensor assembly further comprises at least one motion-sensing device (e.g., 30) configured to provide a respective output signal indicative of angular motion information of the crankshaft. A signal transmitter (e.g., 28) coupled to the motion-sensing device configured to wirelessly transmit the output signal from the motion-sensing device.

公开(公告)号：EP1462772A3

公开(公告)日：2005-09-14

申请号：EP04075698.3

申请日：2004-03-04

Applicant: Delphi Technologies, Inc.

Inventor： Schroeder, Thaddeus

IPC: G01D5/14

CPC classification number: G01D3/022 ,  G01D5/147

Abstract: Reconfigurable sensor 10 and method for selectively reconfiguring a sensor are provided. The reconfiguration of the sensor may be performed according to applicable requirements for sensing the position of an object (e.g., 14). The method allows providing an array of sensing elements (e.g., 12 1 - 12 8 ). The method further allows selecting at least one of the sensing elements of the array to supply a sensing element output signal (e.g., Vout). One or more operational parameters of the one sensing element may be adjusted to meet the applicable sensing requirements.

公开(公告)号：EP1471338A1

公开(公告)日：2004-10-27

申请号：EP04076184.3

申请日：2004-04-19

Applicant: Delphi Technologies, Inc.

Inventor： Morelli, Donald T. ,  Schroeder, Thaddeus

IPC: G01L1/12

CPC classification number: G01L1/127 ,  G01L1/125

Abstract: A magnetic force sensor (10) and method for measuring a force applied to an object. A magnetostrictive element (18) mounted on at least a portion (40) of the object is subjected to a prestress. A conductive coil (12) is wound around at least a portion of the magnetostrictive element (18). An excitation source, which includes one of a current source (30) and a voltage source (V IN ), excites the conductive coil (12). A detection circuit detects one of an induced voltage (V L ) across the conductive coil (12) and a voltage drop (V OUT ) across a resistor (R REF ) in series with the conductive coil (12). The detected voltage can be used to determine the applied force. A second coil (22) can be used in a bipolar sensor (10a) or to correct for variations in ambient conditions.

Abstract translation: 包括电流源或电压源的激励源激发缠绕在安装在检测对象上的预应力的磁致伸缩棒/环（18）周围的导电线圈（12）。 检测电路检测与导电线圈串联的导电线圈两端的电压和跨越电阻器的电压降中的一个。 还包括用于测量施加到检测对象的力的独立权利要求。

公开(公告)号：EP0825420B1

公开(公告)日：2002-11-13

申请号：EP97202314.7

申请日：1997-07-24

Applicant: Delphi Technologies, Inc.

Inventor： Schroeder, Thaddeus ,  Butler, Raymond O.,Jr. ,  Lequesne, Bruno Patrice Bernard ,  Marks, Anthony Leo

IPC: G01D5/249 ,  H03M1/24

CPC classification number: G01D5/2497 ,  G01D5/2492 ,  H03M1/0685 ,  H03M1/28

公开(公告)号：EP1083406A3

公开(公告)日：2002-03-20

申请号：EP00203089.8

申请日：2000-09-07

Applicant: Delphi Technologies, Inc.

Inventor： Nehl, Thomas W. ,  Boules, Nady ,  Schroeder, Thaddeus ,  Henry, Rassem R.

IPC: G01D5/14 ,  G01D5/16

CPC classification number: G01D5/145

Abstract: A rotary position sensor (20, 20') featuring a magnetized rotor (10, 10') which produces a magnetic flux density that varies sinusoidally with respect to the angular position of the rotor, which may be either a selectively magnetized ring (10') or disk (10). The magnetic flux density produced by the rotor is measured by a sensor (30, 30a) that responds in a linear fashion to the magnitude of the radial component of the magnetic flux density. Typical embodiments would use magnetic flux density sensors, as for example either linear Hall sensors or magnetoresistive type sensors. The measured magnetic flux densities are then used as in a traditional resolver to compute position or used to directly generate control signals to operate, for example, a motor.

公开(公告)号：EP2053374A3

公开(公告)日：2010-07-07

申请号：EP08166353.6

申请日：2008-10-10

Applicant: Delphi Technologies, Inc.

Inventor： Schroeder, Thaddeus ,  Taye, Elias ,  Thrush, Christopher M. ,  Lequesne, Bruno

IPC: G01L9/16

CPC classification number: G01L9/16

Abstract: In one embodiment, a sensor assembly has a sensor housing forming a fluid chamber (28) having a surface (21) defining a normal axis. A magnetostrictive (MS) core (18, 38) that defines a central longitudinal axis is subjected to stress induced by pressurized fluid in the chamber. An excitation coil (22, 40) is coupled to the core (18, 38) to induce a magnetic flux therein. The central longitudinal axis of the core (18, 38) is coaxial with the axis normal to the fluid chamber surface (21).

公开(公告)号：EP2053373A3

公开(公告)日：2010-07-07

申请号：EP08166110.0

申请日：2008-10-08

Applicant: Delphi Technologies, Inc.

Inventor： Schroeder, Thaddeus ,  Taye, Elias ,  Thrush, Christopher ,  Lequesne, Bruno

IPC: G01L9/16

CPC classification number: G01L9/16

Abstract: In one embodiment, a sensor assembly has a magnetostrictive (MS) element (20, 52, 76, 96, 108, 126) and a sensor housing (18, 50, 70, 98, 106) defining at least one active wall (28, 68, 80, 103, 116). A sensor channel is disposed on a first side of the active wall, with the MS element being disposed in the sensor channel and closely received therein. A fluid is on a second side of the active wall, and the active wall is the wall through which stress from pressure of the fluid causes stress on the MS element. The sensor channel defines an axis parallel to the active wall, and the MS element is positioned adj acent the active wall by sliding the MS element into an end of the sensor channel in a direction parallel to the active wall.

公开(公告)号：EP1967832A2

公开(公告)日：2008-09-10

申请号：EP08152145.2

申请日：2008-02-29

Applicant: Delphi Technologies, Inc.

Inventor： Oberdier, Larry M. ,  Lequesne, Bruno ,  Taye, Elias ,  Schroeder, Thaddeus

IPC: G01L1/12

CPC classification number: G01L1/125

Abstract: A system for measuring stress including a coilless sensor including at least one band (102) of electrically conductive and magnetostrictive material, the band having a first end (104) and a second end (106) defining a gap (112) therebetween, a measuring circuit electrically connected (108,110) to the first and second ends of the coilless sensor, the measuring circuit being configured to pass a current through the coilless sensor and measure at least one of an inductance, a resistance and an impedance of the coilless sensor in response to the current, and a processor in electrical communication with the measuring circuit, the processor being configured to calculate an amount of stress being applied to the coilless sensor based upon the measured inductance, resistance and impedance.

Abstract translation: 一种用于测量应力的系统，包括无电感传感器，其包括至少一个导电和磁致伸缩材料的带（102），所述带具有在其间限定间隙（112）的第一端（104）和第二端（106） 电路电连接（108,110）到无芯焊传感器的第一和第二端，测量电路被配置为使电流通过无芯焊传感器并且响应于无电感传感器的电感，电阻和阻抗中的至少一个来测量 以及与测量电路电通信的处理器，所述处理器被配置为基于所测量的电感，电阻和阻抗来计算施加到所述无端子传感器的应力的量。

公开(公告)号：EP1947434A2

公开(公告)日：2008-07-23

申请号：EP07123909.9

申请日：2007-12-21

Applicant: Delphi Technologies, Inc.

Inventor： Lequesne, Bruno ,  Taye, Elias ,  Schroeder, Thaddeus

IPC: G01L1/12 ,  G01L9/16

CPC classification number: G01L9/16 ,  G01L1/125 ,  G01L1/127

Abstract: The present invention is directed to a strain sensor comprising a monolithic magnetostrictive material core wherein the permeability of the material depends on stress, the core having an aperture therein and a coil wound about the core and through the aperture. The core and the coil being configured such that when the coil is connected in circuit, it establishes a loop of magnetic flux that circulates through the core and about the coil whereby impedance of the core is measured. Impedance being a general term including inductance, resistance and a combination of the two. Various configurations for the core are disclosed and integrated housing is also taught. The present sensor can be used to sense force, pressure, torque, acceleration and combinations thereof. The present device can be utilized to sense pressure of diesel fuel in diesel engines, oil pressure, hydraulic pressure, and earth moving and construction vehicles, etc. The sensor can be integrated in a threaded plug and is adaptable to be included in pipe made of magnetostrictive material. A method is also taught in the present application.

Abstract translation: 本发明涉及一种应变传感器，其包括单片磁致伸缩材料芯，其中该材料的磁导率取决于应力，该芯在其中具有一个孔，以及缠绕在芯上并通过该孔的线圈。 芯线圈和线圈被配置成使得当线圈连接在电路中时，它建立一个磁通环，该磁通循环通过磁芯和绕线圈，从而测量磁芯的阻抗。 阻抗是一个通用术语，包括电感，电阻和两者的组合。 公开了用于芯的各种配置，并且还教导了集成的外壳。 本传感器可用于感测力，压力，扭矩，加速度及其组合。 本装置可以用于感测柴油发动机，油压，液压和土方移动和施工车辆等中的柴油燃料的压力。传感器可以集成在螺纹塞中，并且适于包含在由 磁致伸缩材料。 在本申请中还教导了一种方法。

公开(公告)号：EP1388730A3

公开(公告)日：2006-06-07

申请号：EP03077375.8

申请日：2003-07-29

Applicant: Delphi Technologies, Inc.

Inventor： Schroeder, Thaddeus ,  Chang, Shih-Chia ,  Guerra, Jose A.

IPC: G01D5/14

CPC classification number: G01D5/14 ,  Y10T29/49069 ,  Y10T29/49075 ,  Y10T29/49156

Abstract: A process for forming ferromagnetic targets 8 for position and speed sensors 15. The targets 8 are formed on a conductor-clad substrate 23 by first applying a layer of photoresist material 26 and then patterning and etching the photoresist 26 to form trenches 42 defined by the shape and dimensions of the required targets 8. Ferromagnetic material is formed in the trenches 42 to complete the formation of the targets 8.