Ansaldobreda S.p.a.

Hitachi Rail Italy S.p.a.

Massimo Carradori

Paolo Rami

Gian Luca Pioppi

A method of detecting faults in a member having a first and second face opposite each other and communicating fluidically in the presence of at least one fault; the method including the steps of: generating a first sound signal by means of a transmitter, so that the first sound signal interacts with at least one portion of the first face of the member; arranging a receiver, configured to receive a second sound signal, close to a respective portion of the second face of the member corresponding to the portion of the first face, the second sound signal being the outcome of the first sound signal interacting with the member; moving the receiver, close to the second face of the member; generating a detection signal, by means of the receiver, as a function of the received second sound signal; calculating, at a number of instants (t-t) in which the receiver is moved, respective detection values (A&#x3c4;, B&#x3c4;, N&#x3c4;) of a quantity associated with the energy of the detection signal; and, in the event of at least one fault in the member, locating the fault on the basis of the detection values and of the positions assumed by the receiver at respective instants.

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Napoli, Italy

Massimo Carradori