AU2002225467A1 - Equipment and method for measuring concentration and flow rate of gas ultrasonically - Google Patents

Equipment and method for measuring concentration and flow rate of gas ultrasonically

Info

Publication number
AU2002225467A1
AU2002225467A1 AU2002225467A AU2002225467A AU2002225467A1 AU 2002225467 A1 AU2002225467 A1 AU 2002225467A1 AU 2002225467 A AU2002225467 A AU 2002225467A AU 2002225467 A AU2002225467 A AU 2002225467A AU 2002225467 A1 AU2002225467 A1 AU 2002225467A1
Authority
AU
Australia
Prior art keywords
ultrasonically
gas
equipment
flow rate
measuring concentration
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
AU2002225467A
Other versions
AU2002225467B2 (en
Inventor
Naotoshi Fujimoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teijin Ltd
Original Assignee
Teijin Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2001012862A external-priority patent/JP4536939B2/en
Priority claimed from JP2001012861A external-priority patent/JP4169483B2/en
Application filed by Teijin Ltd filed Critical Teijin Ltd
Priority claimed from PCT/JP2002/000438 external-priority patent/WO2002057770A1/en
Publication of AU2002225467A1 publication Critical patent/AU2002225467A1/en
Application granted granted Critical
Publication of AU2002225467B2 publication Critical patent/AU2002225467B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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AU2002225467A 2001-01-22 2002-01-22 Equipment and method for measuring concentration and flow rate of gas ultrasonically Ceased AU2002225467B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2001012862A JP4536939B2 (en) 2001-01-22 2001-01-22 Ultrasonic reflection type gas concentration measuring method and apparatus
JP2001012861A JP4169483B2 (en) 2001-01-22 2001-01-22 Ultrasonic gas concentration flow measurement method and apparatus
JP2001-12862 2001-01-22
JP2001-12861 2001-01-22
PCT/JP2002/000438 WO2002057770A1 (en) 2001-01-22 2002-01-22 Equipment and method for measuring concentration and flow rate of gas ultrasonically

Publications (2)

Publication Number Publication Date
AU2002225467A1 true AU2002225467A1 (en) 2003-02-13
AU2002225467B2 AU2002225467B2 (en) 2006-07-20

Family

ID=26608054

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002225467A Ceased AU2002225467B2 (en) 2001-01-22 2002-01-22 Equipment and method for measuring concentration and flow rate of gas ultrasonically

Country Status (11)

Country Link
US (1) US6912907B2 (en)
EP (1) EP1286159B1 (en)
KR (1) KR100943874B1 (en)
CN (1) CN1285906C (en)
AU (1) AU2002225467B2 (en)
CA (1) CA2403862C (en)
ES (1) ES2431956T3 (en)
HK (1) HK1059962A1 (en)
PT (1) PT1286159E (en)
TW (1) TW520993B (en)
WO (1) WO2002057770A1 (en)

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