公开(公告)号：US06442812B1

公开(公告)日：2002-09-03

申请号：US09517828

申请日：2000-03-02

申请人： John A. Kovacich ,  Wayne S. Kaboord ,  Fred J. Begale ,  Robert R. Brzycki ,  Birger Pahl ,  James E. Hansen

发明人： John A. Kovacich ,  Wayne S. Kaboord ,  Fred J. Begale ,  Robert R. Brzycki ,  Birger Pahl ,  James E. Hansen

IPC分类号： H04R1700

CPC分类号： G01L1/162 ,  G01L1/16 ,  G01L3/10 ,  Y10T29/42 ,  Y10T29/49103 ,  Y10T29/49146 ,  Y10T29/49171 ,  Y10T29/49766

摘要： A method of manufacturing a piezoelectric torque transducer is provided, comprising the steps of (a) forming a prepared area on a surface of a torsion member adapted to be strained by an applied torque; (b) providing a piezoelectric element having an axis of maximum strain sensitivity and disposing first and second electrodes on opposite faces of the element, respectively, and attaching an electrical lead to each electrode; (c) connecting electrical leads to the electrodes; and (d) disposing the element on the prepared area and orienting the axis of maximum strain sensitivity on the member and securing the element to the prepared area with a material selected from a group consisting of (i) adhesive material and (ii) potting material. The step of disposing the piezoelectric element includes configuring the piezoelectric element in a plate-shaped configuration and disposing a resilient annular member on each opposite face of the plate-shaped element and overlaying each of the annular members with a protective cover.

摘要翻译： 提供一种制造压电扭矩传感器的方法，包括以下步骤：（a）在适于被施加的扭矩应变的扭转部件的表面上形成准备区域; （b）提供具有最大应变灵敏度轴的压电元件，并分别在元件的相对面上设置第一和第二电极，并将电导线附接到每个电极; （c）将电引线连接到电极; 和（d）将该元件放置在准备的区域上并将该最大应变敏感度轴定向在该构件上并用选自以下的材料将元件固定到准备区域：（i）粘合剂材料和（ii）灌封材料 。 设置压电元件的步骤包括将压电元件构造成板状构造，并且在板状元件的每个相对面上设置弹性环形构件，并用保护盖覆盖每个环形构件。