发明授权
- 专利标题： INDUCTIVE SYSTEM FOR MEASURING THE LENGTH OF A SHOCK ABSORBER
- 专利标题（中）： 感应式测量系统的震动的长度
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申请号： EP94908519.5申请日： 1994-02-17
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公开(公告)号： EP0683736B1公开(公告)日： 1997-12-17
- 发明人: RAMAKER, Antonius, Everardus, Theodorus, Jozef
- 申请人： V.O.F. HEDON ELECTRONIC DEVELOPMENTS
- 申请人地址： van Saenredamstraat 1a NL-2613 NS Delft NL
- 专利权人： V.O.F. HEDON ELECTRONIC DEVELOPMENTS
- 当前专利权人： V.O.F. HEDON ELECTRONIC DEVELOPMENTS
- 当前专利权人地址： van Saenredamstraat 1a NL-2613 NS Delft NL
- 代理机构： Mertens, Hans Victor
- 优先权： NL9300301 19930217
- 国际公布： WO9419206 19940901
- 主分类号： B60G17/015
- IPC分类号： B60G17/015 ; G01D5/20 ; G01B7/02
摘要：
A shock absorber unit length measuring circuit for a vehicle has a coil (20) with windings which are fitted around the shock absorber unit. The shock absorber unit has a casing (2) of electrically conducting material connected to a part of the wheel suspension of the vehicle. The casing (2) moves axially relative to the coil (20) when there is a change in the force absorbed by the wheel suspension. An oscillator (34) excites the coil with an excitation signal of high frequency. Processing means (40) which are connected to the coil (20) are designed for determining the immittance of the coil (20).
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