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ULTRASONIC MULTIPHASE FLOWMETER, ULTRASONIC MULTIPHASE FLOW RATE MEASUREMENT PROGRAM, AND MULTIPHASE FLOW RATE MEASUREMENT METHOD USING ULTRASONIC WAVES

外国特許コード F110002783
整理番号 S2007-1181-C0
掲載日 2011年4月15日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2008JP070574
国際公開番号 WO 2009/063896
国際出願日 平成20年11月12日(2008.11.12)
国際公開日 平成21年5月22日(2009.5.22)
優先権データ
  • 特願2007-297358 (2007.11.15) JP
発明の名称 (英語) ULTRASONIC MULTIPHASE FLOWMETER, ULTRASONIC MULTIPHASE FLOW RATE MEASUREMENT PROGRAM, AND MULTIPHASE FLOW RATE MEASUREMENT METHOD USING ULTRASONIC WAVES
発明の概要(英語) [PROBLEMS] To provide an ultrasonic multiphase flowmeter, ultrasonic multiphase flow rate measurement program, and multiphase flow rate measurement method using ultrasonic waves in which the interface position between phases can be detected and the flow rate of a multiphase flow can be accurately detected by operating data on at least one of the reflected waves or velocity distribution of the ultrasonic waves in the flow rate measurement of the multiphase flow. [MEANS FOR SOLVING PROBLEMS] An ultrasonic multiphase flowmeter includes an ultrasonic wave transmitting/receiving means (2) for launching ultrasonic waves to a fluid and receiving the reflected waves, a flow velocity distribution calculating means (7) for calculating a flow velocity distribution from the data of the reflected waves, an interface position determining means (8) having at least one of a difference operating section (81) for executing the difference operation of the flow velocity distribution or a binarization operating section (82) for executing the binarization operation of the flow velocity distribution and for determining an interface position on the basis of the computation information, and a flow rate calculating means (9) for calculating a flow rate from the flow velocity distribution and the interface position.
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • National University Corporation Hokkaido University
  • 発明者(英語)
  • TAKEDA, Yasushi
  • MURAI, Yuichi
  • TASAKA, Yuji
国際特許分類(IPC)
指定国 AE(UTILITY MODEL),AG,AL(UTILITY MODEL),AM(PROVISIONAL PATENT)(UTILITY MODEL),AO(UTILITY MODEL),AT(UTILITY MODEL),AU,AZ(UTILITY MODEL),BA,BB,BG(UTILITY MODEL),BH(UTILITY MODEL),BR(UTILITY MODEL),BW(UTILITY MODEL),BY(UTILITY MODEL),BZ(UTILITY MODEL),CA,CH,CN(UTILITY MODEL),CO(UTILITY MODEL),CR(UTILITY MODEL),CU(INVENTOR'S CERTIFICATE),CZ(UTILITY MODEL),DE(UTILITY MODEL),DK(UTILITY MODEL),DM(UTILITY MODEL),DO(UTILITY MODEL),DZ,EC(UTILITY MODEL),EE(UTILITY MODEL),EG(UTILITY MODEL),ES(UTILITY MODEL),FI(UTILITY MODEL),GB,GD,GE(UTILITY MODEL),GH(UTILITY CERTIFICATE),GM,GT(UTILITY MODEL),HN,HR(CONSENSUAL PATENT),HU(UTILITY MODEL),ID,IL,IN,IS,JP(UTILITY MODEL),KE(UTILITY MODEL),KG(UTILITY MODEL),KM,KN,KP(INVENTOR'S CERTIFICATE)(UTILITY MODEL),KR(UTILITY MODEL),KZ(PROVISIONAL PATENT)(UTILITY MODEL),LA,LC,LK,LR,LS(UTILITY MODEL),LT,LU,LY,MA,MD(UTILITY MODEL),ME(PETTY PATENT),MG,MK,MN,MW,MX(UTILITY MODEL),MY(UTILITY-INNOVATION),MZ(UTILITY MODEL),NA,NG,NI(UTILITY MODEL),NO,NZ,OM(UTILITY MODEL),PG,PH(UTILITY MODEL),PL(UTILITY MODEL),PT(UTILITY MODEL),RO,RS(PETTY PATENT),RU(UTILITY MODEL),SC,SD,SE,SG,SK(UTILITY MODEL),SL(UTILITY MODEL),SM,ST,SV(UTILITY MODEL),SY,TJ(UTILITY MODEL),TM(PROVISIONAL PATENT),TN,TR(UTILITY MODEL),TT(UTILITY CERTIFICATE),TZ,UA(UTILITY MODEL),UG(UTILITY CERTIFICATE),US,UZ(UTILITY MODEL),VC(UTILITY CERTIFICATE),VN(PATENT FOR UTILITY SOLUTION),ZA,ZM,ZW,EP(AT,BE,BG,CH,CY,CZ,DE,DK,EE,ES,FI,FR,GB,GR,HR,HU,IE,IS,IT,LT,LU,LV,MC,MT,NL,NO,PL,PT,RO,SE,SI,SK,TR),OA(BF(UTILITY MODEL),BJ(UTILITY MODEL),CF(UTILITY MODEL),CG(UTILITY MODEL),CI(UTILITY MODEL),CM(UTILITY MODEL),GA(UTILITY MODEL),GN(UTILITY MODEL),GQ(UTILITY MODEL),GW(UTILITY MODEL),ML(UTILITY MODEL),MR(UTILITY MODEL),NE(UTILITY MODEL),SN(UTILITY MODEL),TD(UTILITY MODEL),TG(UTILITY MODEL)),AP(BW(UTILITY MODEL),GH(UTILITY MODEL),GM(UTILITY MODEL),KE(UTILITY MODEL),LS(UTILITY MODEL),MW(UTILITY MODEL),MZ(UTILITY MODEL),NA(UTILITY MODEL),SD(UTILITY MODEL),SL(UTILITY MODEL),SZ(UTILITY MODEL),TZ(UTILITY MODEL),UG(UTILITY MODEL),ZM(UTILITY MODEL),ZW(UTILITY MODEL)),EA(AM,AZ,BY,KG,KZ,MD,RU,TJ,TM)
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