SE9803750D0 - Anordning för temperaturkompensering vid en flödesmätare - Google Patents
Anordning för temperaturkompensering vid en flödesmätareInfo
- Publication number
- SE9803750D0 SE9803750D0 SE9803750A SE9803750A SE9803750D0 SE 9803750 D0 SE9803750 D0 SE 9803750D0 SE 9803750 A SE9803750 A SE 9803750A SE 9803750 A SE9803750 A SE 9803750A SE 9803750 D0 SE9803750 D0 SE 9803750D0
- Authority
- SE
- Sweden
- Prior art keywords
- distance
- transducers
- fluid
- compensating device
- transducer
- Prior art date
Links
Classifications
-
- 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
- G01F15/02—Compensating or correcting for variations in pressure, density or temperature
-
- 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
- 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)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Aviation & Aerospace Engineering (AREA)
- Measuring Volume Flow (AREA)
- Details Of Flowmeters (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9803750A SE512920C2 (sv) | 1998-11-03 | 1998-11-03 | Anordning för temperaturkompensering av längdförändring hos en akustisk flödesmätare. |
EP99971503A EP1135670A1 (en) | 1998-11-03 | 1999-11-03 | Device for temperature compensation in an acoustic flow meter |
AU14338/00A AU1433800A (en) | 1998-11-03 | 1999-11-03 | Device for temperature compensation in an acoustic flow meter |
PCT/SE1999/001981 WO2000026618A1 (en) | 1998-11-03 | 1999-11-03 | Device for temperature compensation in an acoustic flow meter |
US09/830,429 US6532828B1 (en) | 1998-11-03 | 1999-11-03 | Device for temperature compensation in an acoustic flow meter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9803750A SE512920C2 (sv) | 1998-11-03 | 1998-11-03 | Anordning för temperaturkompensering av längdförändring hos en akustisk flödesmätare. |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9803750D0 true SE9803750D0 (sv) | 1998-11-03 |
SE9803750L SE9803750L (sv) | 2000-06-05 |
SE512920C2 SE512920C2 (sv) | 2000-06-05 |
Family
ID=20413159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9803750A SE512920C2 (sv) | 1998-11-03 | 1998-11-03 | Anordning för temperaturkompensering av längdförändring hos en akustisk flödesmätare. |
Country Status (5)
Country | Link |
---|---|
US (1) | US6532828B1 (sv) |
EP (1) | EP1135670A1 (sv) |
AU (1) | AU1433800A (sv) |
SE (1) | SE512920C2 (sv) |
WO (1) | WO2000026618A1 (sv) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10057188C8 (de) * | 2000-11-17 | 2016-10-06 | Endress + Hauser Flowtec Ag | Ultraschall-Durchflußmeßgerät mit Temperaturkompensation |
WO2002057770A1 (fr) * | 2001-01-22 | 2002-07-25 | Teijin Limited | Appareil et procede pour mesurer la concentration et le debit de gaz par ultrasons |
US7644632B2 (en) * | 2005-01-15 | 2010-01-12 | Best John W | Viscometric flowmeter |
DE102005015456A1 (de) * | 2005-04-04 | 2006-10-05 | Viasys Healthcare Gmbh | Verfahren zur Bestimmung der zeitlichen Lage eines Wellenpakets sowie Flussmessgerät |
US7152490B1 (en) | 2005-08-15 | 2006-12-26 | Daniel Measurement And Control, Inc. | Methods for determining transducer delay time and transducer separation in ultrasonic flow meters |
US8019559B1 (en) | 2007-05-30 | 2011-09-13 | Racine Federated, Inc. | Sonic flow meter and method |
DE102007058133A1 (de) * | 2007-11-30 | 2009-06-04 | Endress + Hauser Flowtec Ag | Messsystem, insbesondere zur Durchflussmessung eines in einer Rohrleitung strö menden Messmediums |
DE102007058132A1 (de) * | 2007-11-30 | 2009-06-04 | Endress + Hauser Flowtec Ag | Messsystem, insbesondere zur Durchflussmessung eines in einer Rohrleitung strömenden Messmediums |
US9714855B2 (en) | 2015-01-26 | 2017-07-25 | Arad Ltd. | Ultrasonic water meter |
FR3035963A1 (fr) * | 2015-05-07 | 2016-11-11 | Sagemcom Energy & Telecom Sas | Dispositif de mesure de vitesse d’un fluide |
US10961847B2 (en) * | 2017-05-02 | 2021-03-30 | Eng+Rd, Llc | Acoustic flow meter tool and related methods |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3771117A (en) * | 1972-03-01 | 1973-11-06 | Westinghouse Electric Corp | Transducer installation |
US4240004A (en) * | 1978-09-20 | 1980-12-16 | Westinghouse Electric Corp. | Ultrasonic transducer with chemical-setting inorganic cement backing for operation at high temperatures |
US4279167A (en) * | 1979-10-01 | 1981-07-21 | Ramsey Engineering Company | Liquid coupling for doppler sonic flowmeter |
JPS56115919A (en) * | 1980-02-18 | 1981-09-11 | Toshiba Corp | Ultrasonic current meter for high temperature |
DE3013482C2 (de) * | 1980-04-08 | 1985-12-12 | König, Beate, Dr., 8000 München | Ultraschallkopf |
US4417480A (en) * | 1981-06-02 | 1983-11-29 | Mapco, Inc. | Dampened ultrasonic transducer |
JPS61147112A (ja) * | 1984-12-20 | 1986-07-04 | Fuji Electric Co Ltd | 超音波流量計の送受波器 |
US4825117A (en) * | 1987-11-27 | 1989-04-25 | General Electric Company | Temperature compensated piezoelectric transducer assembly |
DE59308386D1 (de) * | 1993-01-11 | 1998-05-14 | Landis & Gyr Tech Innovat | Messwertgeber mit Ultraschallwandler |
-
1998
- 1998-11-03 SE SE9803750A patent/SE512920C2/sv not_active IP Right Cessation
-
1999
- 1999-11-03 AU AU14338/00A patent/AU1433800A/en not_active Abandoned
- 1999-11-03 EP EP99971503A patent/EP1135670A1/en not_active Withdrawn
- 1999-11-03 WO PCT/SE1999/001981 patent/WO2000026618A1/en not_active Application Discontinuation
- 1999-11-03 US US09/830,429 patent/US6532828B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
SE9803750L (sv) | 2000-06-05 |
US6532828B1 (en) | 2003-03-18 |
EP1135670A1 (en) | 2001-09-26 |
SE512920C2 (sv) | 2000-06-05 |
AU1433800A (en) | 2000-05-22 |
WO2000026618A1 (en) | 2000-05-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |