An apparatus for noninvasively monitoring the flow and/or the composition of a flowing liquid using ultrasound is described. The position of the resonance peaks for a fluid excited by a swept-frequency ultrasonic signal have been found to change frequency both in response to a change in composition and...http://www.google.fr/patents/US20050097943?utm_source=gb-gplus-shareBrevet US20050097943 - Noninvasive characterization of a flowing multiphase fluid using ultrasonic interferometry
Noninvasive characterization of a flowing multiphase fluid using ultrasonic ...
Numéro de demande: 10/993,045 Numéro de publication: US 2005/0097943 A1 Date de dépôt: 18 nov. 2004 Brevet délivré: US6959601 ( Date de délivrance 1 nov. 2005)