Patent AU-2010257343-B2 (AU)
Title: Device for the measurement of electrical properties of fluids and method for measuring said electrical properties
Inventor: CALCIOLARI PAOLO
IPC: G01F1/64
Filed: 2010-07-20
Granted: 2012-10-04
Abstract: (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date H(10) International Publication Number 23 December 2010 (23.12.2010) PCT W O 2010/145851 Al (51) International Patent Classification: (74) Agent: BONINI, Ercole; Studio Bonini S.r.1, Corso G01N27/07 (2006.01) G01N 33/28 (2006.01) Fogazzaro, 8, 1-36100 Vicenza (IT). G01N27/22 (2006.01) (81) Designated States (unless otherwise indicated, for every (21) International Application Number: kind of national protection available): AE, AG, AL, AM, PCT/EP2010/004428 AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, ) .a CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, (22) International Filng Date: DZ, EC, EE, EG, ES, Fl, GB, GD, GE, GH, GM, GT, 20 July 2010 (20.07.2010) HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, (25) Filing Language: English KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, (26) Publication Language: English NO, NZ, OM, PE, PG, PH, PL, PT, RO, RS, RU, SC, SD, (30) Priority Data: SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, V12009A000183 21 July 2009 (21.07.2009) IT TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (71) Applicant (for all designated States except US) (84) Designated States (unless otherwise indicated, for every PIETRO FIORENTINI SPA [IT/IT]; Via E. Fermi, kind of regional protection available): ARIPO (BW, GH, 8/10, 1-36057 Arcugnano (VI) (IT). GM, KE, LR, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, MD, RU, TJ, (72) Inventors; and TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, (75) Inventors/Applicants (for US only): CALCIOLARI, EE, ES, Fl, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, Paolo [IT/IT]; Via FilippoTurati, 2, 1-36045 Lonigo (VI) LV, MC, MK, MT, NL, NO, PL, PT, RO, SE, SI, SK, (IT). BERNARDI, Stefano [If/IT]; Via Polonio, 20, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, 1-35129 Padova (IT). GW, ML, MR, NE, SN, TD, TG). [Continued on next page] (54) Title: DEVICE FOR THE MEASUREMENT OF ELECTRICAL PROPERTIES OF FLUIDS AND METHOD FOR MEA SURING SAID ELECTRICAL PROPERTIES. 2 (57) Abstract: Device (2) for measuring electric parameters of a 8 14 10 fluid (F), comprising: two measurement circuits (8, 10) for mea suring, respectively, the dielectric permittivity and the electrical conductivity of the fluid (F); two electrodes (5, 5') facing each 1]3 other from opposite sides of the fluid (F); a selector system (11) 13 2for alternatively connecting the two measurement circuits (8, 10) 1 12 - to the electrodes (5, 5'). Each electrode (5, 5') comprises two sectors (5a, 5b) suited to establish mutually separate electrical r-' -, r- contact with the fluid (F) and the electrical conductivity mea surement circuit (10) comprises two measurement sections (V, _ - A) of different impedance, each one of which being connectable - - - to a corresponding sector (5a, 5b) of each electrode (5, 5'). 5b )5 5 fig.5a W O 2 0 1 0 /1 4 5 8 5 1 A 1|lllll|||ll|||1lllllllIlllll1||||V|||||V||||V|V|||||||||||||||||||||||||||||||||||||||||| Published: - upon request of the applicant, before the expiration of the - with international search report (Art. 21(3)) time limit referred to in Article 21(2)(a)