CH612763A5 - - Google Patents

Info

Publication number
CH612763A5
CH612763A5 CH834776A CH834776A CH612763A5 CH 612763 A5 CH612763 A5 CH 612763A5 CH 834776 A CH834776 A CH 834776A CH 834776 A CH834776 A CH 834776A CH 612763 A5 CH612763 A5 CH 612763A5
Authority
CH
Switzerland
Application number
CH834776A
Inventor
Niels Thun
Alvin Edmund Brown
Original Assignee
Danfoss As
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 DE19752530202 external-priority patent/DE2530202C3/de
Application filed by Danfoss As filed Critical Danfoss As
Publication of CH612763A5 publication Critical patent/CH612763A5/xx

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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Measuring Volume Flow (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
CH834776A 1975-07-05 1976-06-30 CH612763A5 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752530202 DE2530202C3 (de) 1975-07-05 Gerät zur Ultraschallmessung physikalischer Größen strömender Medien, insbesondere der Strömungsgeschwindigkeit

Publications (1)

Publication Number Publication Date
CH612763A5 true CH612763A5 (da) 1979-08-15

Family

ID=5950847

Family Applications (1)

Application Number Title Priority Date Filing Date
CH834776A CH612763A5 (da) 1975-07-05 1976-06-30

Country Status (10)

Country Link
US (1) US3981191A (da)
JP (1) JPS529477A (da)
CH (1) CH612763A5 (da)
DK (1) DK302576A (da)
FR (1) FR2317656A1 (da)
GB (2) GB1551743A (da)
IT (1) IT1071116B (da)
NL (1) NL181147C (da)
NO (1) NO142765C (da)
SE (1) SE407860B (da)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2636737C2 (de) * 1976-08-14 1978-06-22 Danfoss A/S, Nordborg (Daenemark) Gerät zur Ultraschallmessung physikalischer Größen strömender Medien
US4203322A (en) * 1977-09-29 1980-05-20 E. I. Du Pont De Nemours And Company Apparatus for the ultrasonic measurement of the flow velocity of fluent media
DE2963483D1 (en) * 1978-07-22 1982-09-30 Robert James Redding Fluid flow measuring apparatus
AT377086B (de) * 1979-07-19 1985-02-11 Friedmann Kg Alex Vorrichtung zum messen der stroemungsgeschwindigkeit eines fluids
US4308754A (en) * 1979-10-19 1982-01-05 Panametrics, Inc. Ultrasonic flowmeter
US4345479A (en) * 1981-01-13 1982-08-24 The Perkin-Elmer Corporation Flowmeter system with synchronous clock for generation of timing signals
US4442719A (en) * 1982-01-11 1984-04-17 Allen Ollie J Acoustic flowmeter
GB2128740B (en) * 1982-04-21 1985-05-30 Bestobell Sparling Analog ultrasonic flowmeter
GB2131173B (en) * 1982-11-30 1986-06-18 Bestobell Sparling Fluid flow monitoring
US4509373A (en) * 1983-06-09 1985-04-09 Manning Technologies, Inc. Calibration circuit for ultrasonic flowmeter
US4596133A (en) * 1983-07-29 1986-06-24 Panametrics, Inc. Apparatus and methods for measuring fluid flow parameters
US4538469A (en) * 1983-07-29 1985-09-03 Panametrics, Inc. Integrated threshold arming method and apparatus
US4754650A (en) * 1983-07-29 1988-07-05 Panametrics, Inc. Apparatus and methods for measuring fluid flow parameters
US4515021A (en) * 1983-07-29 1985-05-07 Panametrics, Inc. Intervalometer time measurement apparatus and method
DE3621421C1 (de) * 1986-06-26 1987-12-10 Duesterloh Gmbh Kolbenmaschine
US4762012A (en) * 1987-01-29 1988-08-09 Manning Technologies, Inc. Universal upstream-downstream flowmeter tester
US4989446A (en) * 1990-01-23 1991-02-05 Dynatek Laboratories, Inc. Ultrasound calibrator
US5824879A (en) * 1996-10-04 1998-10-20 Rosemount Inc. Method of calibrating an ultrasonic flow meter
DK199901477A (da) * 1999-10-14 2001-04-15 Danfoss As Sende- og modtagekredsløb for ultralydsflowmåler
EP1657531A4 (en) * 2004-06-01 2009-08-12 Avance Techne Accent Corp FLUID FLOW MEASURING METHOD AND FLOW RATE MEASURING DEVICE
US7984637B2 (en) * 2007-07-06 2011-07-26 General Electric Company System and method for field calibration of flow meters
CN104236647A (zh) * 2013-10-30 2014-12-24 安徽恩米特微电子股份有限公司 基于单片机解决方案的超声波流量计

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3720105A (en) * 1971-03-24 1973-03-13 Nusonics Acoustic flowmeter
US3751979A (en) * 1971-11-17 1973-08-14 Raytheon Co Speed measurement system
US3894431A (en) * 1972-04-04 1975-07-15 Atomic Energy Authority Uk Apparatus for indicating fluid flow velocity
US3818757A (en) * 1972-05-05 1974-06-25 Saratoga Sys Inc Dual path ultrasonic fluid flow metering system and method
FR2191738A5 (da) * 1972-06-30 1974-02-01 Commissariat Energie Atomique
US3780577A (en) * 1972-07-03 1973-12-25 Saratoga Systems Ultrasonic fluid speed of sound and flow meter apparatus and method

Also Published As

Publication number Publication date
FR2317656B1 (da) 1981-08-21
SE7607503L (sv) 1977-01-06
NL7607284A (nl) 1977-01-07
NO142765C (no) 1980-10-08
DE2530202A1 (de) 1977-01-20
SE407860B (sv) 1979-04-23
NL181147C (nl) 1987-06-16
US3981191A (en) 1976-09-21
GB1551744A (en) 1979-09-12
NO142765B (no) 1980-06-30
JPS529477A (en) 1977-01-25
JPS5754729B2 (da) 1982-11-19
DE2530202B2 (de) 1977-05-12
GB1551743A (en) 1979-09-12
IT1071116B (it) 1985-04-02
DK302576A (da) 1977-01-06
NO762156L (no) 1977-01-06
FR2317656A1 (fr) 1977-02-04

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Legal Events

Date Code Title Description
PL Patent ceased