The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 24, 2014
Filed:
Dec. 07, 2011
Michael Lawrence Jennings, Billericay, GB;
Michael Lawrence Jennings, Billericay, GB;
Danaher UK Industries Limited, Sheffield, GB;
Abstract
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.