DK458784A - Fremgangsmaade til maaling af stroemningshastigheder med ultralyd - Google Patents

Fremgangsmaade til maaling af stroemningshastigheder med ultralyd Download PDF

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Publication number
DK458784A
DK458784A DK458784A DK458784A DK458784A DK 458784 A DK458784 A DK 458784A DK 458784 A DK458784 A DK 458784A DK 458784 A DK458784 A DK 458784A DK 458784 A DK458784 A DK 458784A
Authority
DK
Denmark
Prior art keywords
ultrasonic
delta
phase
oscillator
flow
Prior art date
Application number
DK458784A
Other languages
English (en)
Other versions
DK458784D0 (da
DK166974B1 (da
Inventor
Reinhard Stark
Original Assignee
Siemens Ag
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
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of DK458784D0 publication Critical patent/DK458784D0/da
Publication of DK458784A publication Critical patent/DK458784A/da
Application granted granted Critical
Publication of DK166974B1 publication Critical patent/DK166974B1/da

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • 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
    • G01P5/247—Sing-around-systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Tests Of Electronic Circuits (AREA)
  • Saccharide Compounds (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
DK458784A 1983-09-26 1984-09-25 Fremgangsmaade til maaling af stroemningshastigheder med ultralyd DK166974B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3334819 1983-09-26
DE19833334819 DE3334819A1 (de) 1983-09-26 1983-09-26 Verfahren zur messung von stroemungsgeschwindigkeiten mit ultraschall

Publications (3)

Publication Number Publication Date
DK458784D0 DK458784D0 (da) 1984-09-25
DK458784A true DK458784A (da) 1985-03-27
DK166974B1 DK166974B1 (da) 1993-08-09

Family

ID=6210114

Family Applications (1)

Application Number Title Priority Date Filing Date
DK458784A DK166974B1 (da) 1983-09-26 1984-09-25 Fremgangsmaade til maaling af stroemningshastigheder med ultralyd

Country Status (5)

Country Link
EP (1) EP0137338B1 (da)
AT (1) ATE31823T1 (da)
DE (2) DE3334819A1 (da)
DK (1) DK166974B1 (da)
YU (1) YU159384A (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3429099A1 (de) * 1984-08-07 1986-02-20 Siemens AG, 1000 Berlin und 8000 München Verfahren zur messung der stroemungsgeschwindigkeit v eines fluids nach dem prinzip der phasen-nachregelung und differenzfrequenz-auswertung
DK200101581A (da) 2001-10-26 2003-04-27 Danfoss As Transceiverkredsløb til ultralydsflowmåler
DE102004023147A1 (de) * 2004-05-07 2005-11-24 Endress + Hauser Flowtec Ag, Reinach Vorrichtung zur Bestimmung und/oder Überwachung des Volumen- und/oder Massendurchflusses eines Mediums

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3751979A (en) * 1971-11-17 1973-08-14 Raytheon Co Speed measurement system
DE2828937A1 (de) * 1978-06-30 1980-01-10 Siemens Ag Vorrichtung zum messen von stroemungsgeschwindigkeiten mit hilfe von ultraschallschwingungen
DE3036376C2 (de) * 1980-09-26 1983-04-07 AOA Apparatebau Gauting GmbH, 8035 Gauting Strömungsgeschwindigkeitsmesser für Gase und Flüssigkeiten
JPS5833123A (ja) * 1981-08-21 1983-02-26 Fuji Electric Co Ltd 超音波流量測定装置
DE3150011A1 (de) * 1981-12-17 1983-06-23 Uwe Dipl.-Ing. 4050 Mönchengladbach Andersen Geraet zur simultanten messung von windrichtung und windgeschwindigkeit

Also Published As

Publication number Publication date
YU159384A (en) 1989-06-30
DK458784D0 (da) 1984-09-25
ATE31823T1 (de) 1988-01-15
DE3468534D1 (en) 1988-02-11
DE3334819A1 (de) 1985-04-04
DK166974B1 (da) 1993-08-09
EP0137338A2 (de) 1985-04-17
EP0137338B1 (de) 1988-01-07
EP0137338A3 (da) 1985-06-05

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed