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1. 发明申请

US20160061674A1 Magnetoelastic torque sensor system for drive train, drive train, method of measuring torque in a drive train, method of operating a drive train and method of manufacturing a primary sensor unit 审中-公开
标题翻译：用于传动系，传动系，用于测量传动系中扭矩的方法，操作传动系的方法和制造主传感器单元的方法
公开(公告)号：US20160061674A1
公开(公告)日：2016-03-03
申请号：US14828599
申请日：2015-08-18
申请人： Methode Electronics Malta Ltd.
发明人： Johannes Gießibl , Florian Müller
IPC分类号： G01L3/10
CPC分类号： G01L3/102 , F02D2200/1002 , G01L3/1435
摘要： A magnetoelastic torque sensor system (10) for a drive train (12) is described which comprises a primary sensor unit (14) having at least one magnetoelastic portion (40) formed by a magnetoelastic material for reacting on an occurring stress due to torque generated by an engine (20), particularly torque contribution of an individual cylinder (22) of an engine (20). The magnetoelastic material is configured to generate a magnetic field and/or alternate an already existing magnetic field in response to the stress. The magnetoelastic torque sensor system (10) also comprises a secondary sensor unit (16) having at least one magnetic sensitive part (18), in particular a fluxgate, which measures the generated magnetic field or the alternating magnetic field of the magnetoelastic portion (40). The magnetoelastic torque sensor system (10) also comprises an electronic control unit (32) for receiving and processing the signals provided by the secondary sensor unit (16), wherein the electronic control unit (32) in particular controls and/or reads out the at least one magnetic sensitive part (18) of the secondary sensor unit (16) and generates a signal which correlates with the stress applied to the primary sensor unit (14). Further, a drive train (12), a method of measuring torque in a drive train (12), a method of operating a drive train (12) and a method of manufacturing a primary sensor unit (16) are described.
摘要翻译：描述了一种用于传动系（12）的磁弹性扭矩传感器系统（10），其包括具有至少一个由弹性材料形成的磁致弹性部分（40）的主传感器单元（14），用于在产生的转矩产生的应力产生反应通过发动机（20），特别是发动机（20）的单个气缸（22）的扭矩贡献。磁弹性材料被配置为响应于应力产生磁场和/或交替已经存在的磁场。磁弹性扭矩传感器系统（10）还包括二次传感器单元（16），其具有至少一个磁敏部分（18），特别是磁通门，其测量磁致弹性部分（40）的产生的磁场或交变磁场）。磁弹性力矩传感器系统（10）还包括用于接收和处理由辅助传感器单元（16）提供的信号的电子控制单元（32），其中电子控制单元（32）特别地控制和/或读出至少一个第二传感器单元（16）的感磁部件（18），并且产生与施加到主传感器单元（14）的应力相关的信号。此外，描述了传动系（12），测量传动系（12）中的扭矩的方法，操作传动系（12）的方法和制造主传感器单元（16）的方法。

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