Patent ID: 7808372

Claim:
An antifraud device for a vehicle having a tank with a filler provided with a removable cap, the antifraud device being installed on the vehicle and comprising: first sensor means, configured for detecting a state condition of the cap, such as presence or absence of the cap in the filler and/or a displacement of the cap with respect to the filler; second sensor means, configured for detecting at least one of the level of the contents of the tank and a qualitative characteristic of the contents of the tank, a control unit, operatively connected to the first sensor means and to the second sensor means and configured for generating first information, being indicative of detections made by the first sensor means, and second information, being indicative of detections made by the second sensor means, the control unit being operatively connected to nonvolatile memory means and prearranged for storing in the memory means, in a correlated form, the first information and the second information; means for making explicit the first information and the second information in a correlated form, for the purposes of identification of one or more of the following conditions: fraudulent removal of at least part of the contents of the tank; fraudulent removal of at least part of the contents of the tank from an extraction point which is downstream of the filler; fraudulent dilution or alteration of the contents of the tank; fraudulent replacement of at least part of the contents of the tank; effective removal of the cap following upon movement thereof in the filler.