ATE227420T1 - Messsystem - Google Patents
MesssystemInfo
- Publication number
- ATE227420T1 ATE227420T1 AT95120386T AT95120386T ATE227420T1 AT E227420 T1 ATE227420 T1 AT E227420T1 AT 95120386 T AT95120386 T AT 95120386T AT 95120386 T AT95120386 T AT 95120386T AT E227420 T1 ATE227420 T1 AT E227420T1
- Authority
- AT
- Austria
- Prior art keywords
- transducers
- apertures
- outlet
- measuring tube
- chamber
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/662—Constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
- G01P5/245—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Aviation & Aerospace Engineering (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Measuring Volume Flow (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB909021441A GB9021441D0 (en) | 1990-10-02 | 1990-10-02 | Measurement system |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE227420T1 true ATE227420T1 (de) | 2002-11-15 |
Family
ID=10683123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT95120386T ATE227420T1 (de) | 1990-10-02 | 1991-09-09 | Messsystem |
Country Status (12)
Country | Link |
---|---|
US (1) | US5243863A (de) |
EP (3) | EP0708314B1 (de) |
JP (1) | JPH0760160B2 (de) |
KR (1) | KR950002058B1 (de) |
AT (1) | ATE227420T1 (de) |
AU (2) | AU639144B2 (de) |
CA (1) | CA2052462C (de) |
DE (1) | DE69133145T2 (de) |
DK (1) | DK0708314T3 (de) |
ES (1) | ES2186702T3 (de) |
GB (1) | GB9021441D0 (de) |
HK (2) | HK1008089A1 (de) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993016357A1 (de) * | 1992-02-13 | 1993-08-19 | Siemens Aktiengesellschaft | Trichtereinlass und -auslass für ultraschall-gaszähler |
DE4224372C2 (de) * | 1992-07-23 | 1995-02-02 | Kromschroeder Ag G | Ultraschall-Gaszähler |
US5247826B1 (en) * | 1992-11-12 | 1995-07-18 | Devilbiss Health Care Inc | Gas concentration and/or flow sensor |
EP0690974A4 (de) * | 1993-03-09 | 1996-05-22 | Commw Scient Ind Res Org | Flüssigkeitsmesserkonstruktion |
GB2276240B (en) * | 1993-03-16 | 1997-01-15 | British Gas Plc | Fluid flowmeter |
IT1272370B (it) * | 1993-04-27 | 1997-06-23 | Nuovo Pignone Spa | Misuratore-regolatore perfezionato della portata di un fluido |
US5458004A (en) * | 1993-09-01 | 1995-10-17 | Krohne Messtechnik Gmbh & Co. Kg. | Volume flow meter |
US5463906A (en) * | 1994-01-24 | 1995-11-07 | Triton Technology, Inc. | Interchangeable disposable acoustic for use with an ultrasonic flowmeter, particularly during extracorporeal measurement of blood flow |
FR2724016B1 (fr) * | 1994-08-23 | 1996-10-25 | Schlumberger Ind Sa | Dispositif de mesure ultrasonore d'une quantite volumique d'un fluide a proprietes acoustiques ameliorees |
DE4441225C2 (de) * | 1994-11-19 | 1996-09-12 | Danfoss As | Massendurchfluß-Meßgerät |
US5969263A (en) * | 1995-04-08 | 1999-10-19 | Schlumberger Industries, S.A. | Ultrasonic fluid counter for attenuating parasitic ultrasonic waves |
JPH0926342A (ja) * | 1995-07-13 | 1997-01-28 | Matsushita Electric Ind Co Ltd | 超音波振動子及びこれを用いた超音波流量計 |
US6189389B1 (en) | 1996-05-28 | 2001-02-20 | Krohne A.G. | Ultrasonic flowmeter |
FR2776379B1 (fr) * | 1998-03-19 | 2000-04-28 | Schlumberger Ind Sa | Compteur de gaz a filtres anti-poussieres |
JP4555669B2 (ja) * | 2004-03-02 | 2010-10-06 | 矢崎総業株式会社 | 流量計測装置 |
GB2429061B (en) * | 2005-08-13 | 2009-04-22 | Flownetix Ltd | A method of construction for a low cost plastic ultrasonic water meter |
DE102005046858B3 (de) * | 2005-09-29 | 2007-01-18 | Miele & Cie. Kg | Vorrichtung zum Messen der Dosiermenge von Spülzusätzen |
JP5240763B2 (ja) * | 2008-05-23 | 2013-07-17 | 愛知時計電機株式会社 | 超音波流量計 |
DE102010051594B4 (de) * | 2010-11-16 | 2013-04-11 | Hydrometer Gmbh | Gaszähler |
JP2012242090A (ja) * | 2011-05-16 | 2012-12-10 | Panasonic Corp | 超音波流量計 |
JP2014157016A (ja) * | 2011-06-10 | 2014-08-28 | Panasonic Corp | ガスメータ |
JP6060378B2 (ja) * | 2012-11-13 | 2017-01-18 | パナソニックIpマネジメント株式会社 | 流量計測装置 |
US9996089B2 (en) | 2015-09-21 | 2018-06-12 | Blue-White Industries, Ltd. | Flow sensor devices and systems |
JP6375519B2 (ja) * | 2016-01-12 | 2018-08-22 | パナソニックIpマネジメント株式会社 | ガスメータ |
GB2555003B (en) | 2016-09-23 | 2022-07-06 | Blue White Ind Ltd | Flow sensor devices and systems |
CN109959429B (zh) | 2017-12-26 | 2024-07-09 | 广东正扬传感科技股份有限公司 | 一种超声波探测器及探测设备 |
GB2587844A (en) | 2019-06-07 | 2021-04-14 | Blue White Ind Ltd | Flow sensor devices and systems |
EP3770561A1 (de) | 2019-07-26 | 2021-01-27 | Levitronix GmbH | Ultraschall-messvorrichtung zur messung an einem strömenden fluid und ultraschall-messsystem |
US11307069B2 (en) | 2020-03-06 | 2022-04-19 | Woodward, Inc. | Ultrasonic flow meter in a bypass channel coupled in parallel with a flow tube |
EP4193127A1 (de) | 2020-08-07 | 2023-06-14 | Woodward, Inc. | Ultraschall-durchflussregler für durchflussmesser |
US11668818B2 (en) | 2020-08-07 | 2023-06-06 | Woodward, Inc. | Ultrasonic position sensor |
US11415442B2 (en) * | 2020-10-30 | 2022-08-16 | Honeywell International Inc. | Ultrasonic flow tube having a plurality of outer pipes surrounding a center pipe positioned between an inlet wall and an outlet wall having transducers therein |
US12018975B2 (en) | 2021-03-11 | 2024-06-25 | Honeywell International Inc. | Ultrasound and thermal massflow in one flow channel |
EP4308888A1 (de) | 2021-03-17 | 2024-01-24 | Woodward, Inc. | Ultraschall-massenbrennstoff-durchflussmesser |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB222254A (en) | 1923-07-26 | 1924-10-02 | Ernest Harold Leonard Woodward | A new or improved attachment for violins, violas, 'cellos, and other stringed instruments |
IT1016750B (it) * | 1974-08-01 | 1977-06-20 | Fiat Spa | Dispositivo per effettuare median te ultrasuoni la misura della por tata d aria in massa nel condotto di aspirazione di motori a combu stione interna |
DE2963483D1 (en) * | 1978-07-22 | 1982-09-30 | Robert James Redding | Fluid flow measuring apparatus |
CH636701A5 (de) * | 1979-06-08 | 1983-06-15 | Landis & Gyr Ag | Messwertgeber zur bestimmung der durchflussmenge einer stroemenden fluessigkeit mit ultraschall. |
US4365518A (en) * | 1981-02-23 | 1982-12-28 | Mapco, Inc. | Flow straighteners in axial flowmeters |
US4425804A (en) * | 1981-10-29 | 1984-01-17 | The Perkin-Elmer Corp. | Ultrasonic air flow transducer for high humidity environments |
CH655574B (de) * | 1982-03-01 | 1986-04-30 | ||
US4506552A (en) * | 1984-01-12 | 1985-03-26 | Manning Technologies, Inc. | Coaxial flowpath apparatus |
EP0152132A1 (de) * | 1984-01-27 | 1985-08-21 | N.V. Nederlandsche Apparatenfabriek NEDAP | Ultraschalldurchflussmengenmessgerät |
CH670156A5 (de) * | 1986-06-17 | 1989-05-12 | Landis & Gyr Gmbh | |
GB8813640D0 (en) * | 1988-06-09 | 1988-07-13 | Gill M J | Speed measurement device |
-
1990
- 1990-10-02 GB GB909021441A patent/GB9021441D0/en active Pending
-
1991
- 1991-09-09 EP EP95120386A patent/EP0708314B1/de not_active Expired - Lifetime
- 1991-09-09 EP EP91308203A patent/EP0479434A1/de not_active Withdrawn
- 1991-09-09 ES ES95120386T patent/ES2186702T3/es not_active Expired - Lifetime
- 1991-09-09 AT AT95120386T patent/ATE227420T1/de not_active IP Right Cessation
- 1991-09-09 DE DE69133145T patent/DE69133145T2/de not_active Expired - Fee Related
- 1991-09-09 DK DK95120386T patent/DK0708314T3/da active
- 1991-09-09 EP EP98118465A patent/EP0907069A3/de not_active Withdrawn
- 1991-09-16 US US07/760,385 patent/US5243863A/en not_active Expired - Lifetime
- 1991-09-30 CA CA002052462A patent/CA2052462C/en not_active Expired - Fee Related
- 1991-10-02 JP JP3255369A patent/JPH0760160B2/ja not_active Expired - Lifetime
- 1991-10-02 AU AU85565/91A patent/AU639144B2/en not_active Ceased
- 1991-10-02 KR KR1019910017389A patent/KR950002058B1/ko not_active IP Right Cessation
-
1993
- 1993-05-07 AU AU38458/93A patent/AU3845893A/en not_active Abandoned
-
1998
- 1998-06-27 HK HK98107278A patent/HK1008089A1/xx not_active IP Right Cessation
- 1998-12-28 HK HK98116381A patent/HK1015172A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA2052462A1 (en) | 1992-04-03 |
JPH04248466A (ja) | 1992-09-03 |
KR920008496A (ko) | 1992-05-28 |
US5243863A (en) | 1993-09-14 |
EP0907069A3 (de) | 2000-03-29 |
JPH0760160B2 (ja) | 1995-06-28 |
HK1008089A1 (en) | 1999-04-30 |
DE69133145T2 (de) | 2003-07-24 |
EP0708314B1 (de) | 2002-11-06 |
ES2186702T3 (es) | 2003-05-16 |
AU3845893A (en) | 1993-07-22 |
EP0708314A2 (de) | 1996-04-24 |
AU8556591A (en) | 1992-05-14 |
GB9021441D0 (en) | 1990-11-14 |
HK1015172A1 (en) | 1999-10-08 |
AU639144B2 (en) | 1993-07-15 |
EP0479434A1 (de) | 1992-04-08 |
DE69133145D1 (de) | 2002-12-12 |
EP0708314A3 (de) | 1997-11-26 |
EP0907069A2 (de) | 1999-04-07 |
DK0708314T3 (da) | 2003-03-17 |
KR950002058B1 (ko) | 1995-03-10 |
CA2052462C (en) | 1996-07-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification |
Ref document number: 0708314 Country of ref document: EP |
|
REN | Ceased due to non-payment of the annual fee |