发明名称 |
FUEL DISPENSER FLOW METER SENSOR FRAUD PREVENTION |
摘要 |
<p>Methods and systems for detecting fraud caused by tampering with a fuel flow meter. In one embodiment, the method comprises providing a fuel flow meter for measuring the flow of liquid fuel. The flow meter has at least one shaft supporting a rotor. The method further comprises providing the flow meter with a rotary displacement sensor. Also, the method comprises measuring a first angular position of the shaft upon termination of a first fueling transaction and measuring a second angular position of the shaft upon initiation of a second fueling transaction. Finally, the method comprises comparing data indicative of the first and second shaft angular positions to determine whether fraud has occurred.</p> |
申请公布号 |
EP2649420(B1) |
申请公布日期 |
2015.03.04 |
申请号 |
EP20110794717 |
申请日期 |
2011.12.08 |
申请人 |
DANAHER UK INDUSTRIES LIMITED |
发明人 |
JENNINGS, MICHAEL, LAWRENCE |
分类号 |
G01F13/00;B67D7/34;G01F15/00;G01F15/075 |
主分类号 |
G01F13/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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