SE438206B - Ultraljuds-genomstromningsvolymsreknare och anvendning av en ultraljuds-genomstromningsvolymsreknare i en vermemengdsreknare - Google Patents

Ultraljuds-genomstromningsvolymsreknare och anvendning av en ultraljuds-genomstromningsvolymsreknare i en vermemengdsreknare

Info

Publication number
SE438206B
SE438206B SE7805295A SE7805295A SE438206B SE 438206 B SE438206 B SE 438206B SE 7805295 A SE7805295 A SE 7805295A SE 7805295 A SE7805295 A SE 7805295A SE 438206 B SE438206 B SE 438206B
Authority
SE
Sweden
Prior art keywords
counter
frequency
output
pulses
input
Prior art date
Application number
SE7805295A
Other languages
English (en)
Swedish (sv)
Other versions
SE7805295L (sv
Inventor
C Meisser
Original Assignee
Landis & Gyr 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 Landis & Gyr Ag filed Critical Landis & Gyr Ag
Publication of SE7805295L publication Critical patent/SE7805295L/xx
Publication of SE438206B publication Critical patent/SE438206B/sv

Links

Classifications

    • 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)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measuring Volume Flow (AREA)
  • Details Of Flowmeters (AREA)
SE7805295A 1977-05-10 1978-05-09 Ultraljuds-genomstromningsvolymsreknare och anvendning av en ultraljuds-genomstromningsvolymsreknare i en vermemengdsreknare SE438206B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH581077A CH604133A5 (it) 1977-05-10 1977-05-10

Publications (2)

Publication Number Publication Date
SE7805295L SE7805295L (sv) 1978-11-11
SE438206B true SE438206B (sv) 1985-04-01

Family

ID=4299685

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7805295A SE438206B (sv) 1977-05-10 1978-05-09 Ultraljuds-genomstromningsvolymsreknare och anvendning av en ultraljuds-genomstromningsvolymsreknare i en vermemengdsreknare

Country Status (5)

Country Link
CH (1) CH604133A5 (it)
DE (1) DE2724661C3 (it)
FR (1) FR2390711A1 (it)
IT (1) IT1095730B (it)
SE (1) SE438206B (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH644691A5 (en) * 1980-07-25 1984-08-15 Landis & Gyr Ag Throughflow volume meter
DE3214650A1 (de) * 1982-04-21 1983-11-03 Eugen 4020 Mettmann Braun Verfahren zur bestimmung der stroemungsgeschwindigkeit eines fluiden mediums in einer rohrleitung und entsprechende rohrleitungsanlage
DE3219788C2 (de) * 1982-05-25 1985-02-28 Siemens AG, 1000 Berlin und 8000 München Durchflußmengenmeßeinrichtung für Fluide und Durchflußmengenmengenmeßeinrichtung zur Verwendung als Wärmemengenzähler
CH670506A5 (it) * 1986-06-17 1989-06-15 Landis & Gyr Gmbh
EP0262461B1 (de) * 1986-09-30 1993-12-15 Siemens Aktiengesellschaft Ultraschall-Strömungsgeschwindigkeitsmesser nach dem Phasendifferenz-Verfahren
CH672187A5 (it) * 1986-10-23 1989-10-31 Landis & Gyr Gmbh
EP0496953B1 (de) * 1991-01-29 1996-05-29 Landis & Gyr Technology Innovation AG Durchflussvolumenzähler für flüssige Medien
DE4424630C2 (de) * 1994-07-13 1999-07-15 Juchheim Gmbh & Co M K Temperaturfühler mit einer Hülse und einem Meßwiderstand
DK0846936T4 (en) † 1996-12-05 2015-10-12 Kamstrup As A flow meter and method for operating a flow meter
DE102004010291B4 (de) * 2004-03-03 2016-12-22 Robert Bosch Gmbh Ultraschall-Strömungssensor mit mehrfachen Pulsen
DE102005051669B3 (de) * 2005-10-28 2007-04-26 Mib Gmbh Messtechnik Und Industrieberatung Durchflussmessverfahren
DE102011016963A1 (de) 2011-04-13 2012-10-18 Hydrometer Gmbh Verfahren zur Messung von Durchflussmengen nach dem Prinzip der Ultraschalllaufzeitdifferenz
CN104062038B (zh) * 2014-06-05 2017-01-25 中国航天科技集团公司第五研究院第五一三研究所 全温度补偿型超声波热能表
CN105486429B (zh) * 2016-01-28 2018-08-17 苏州瑞尚节能科技有限公司 一种基于滤波算法的超声波热量表
GB201804449D0 (en) 2018-03-20 2018-05-02 Univ Warwick Fluid flow speed method and apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3402606A (en) * 1966-08-03 1968-09-24 Westinghouse Electric Corp Fluid velocity measuring system
FR1533620A (fr) * 1966-08-03 1968-07-19 Westinghouse Electric Corp Système de mesure de la vitesse d'un fluide
US3440876A (en) * 1966-10-31 1969-04-29 Westinghouse Electric Corp Flowmeter frequency control system
IT1016749B (it) * 1974-08-01 1977-06-20 Fiat Spa Dispositivo ad ultrasuoni per la misura della portata d aria in mas sa in un condotto
US3935735A (en) * 1974-09-03 1976-02-03 Badger Meter, Inc. Ultrasonic flow meter
US3971252A (en) * 1975-04-11 1976-07-27 Kimmon Manufacturing Co., Ltd. Electronic integration calorimeter

Also Published As

Publication number Publication date
DE2724661B2 (de) 1980-12-04
CH604133A5 (it) 1978-08-31
IT7822945A0 (it) 1978-05-03
SE7805295L (sv) 1978-11-11
FR2390711A1 (fr) 1978-12-08
IT1095730B (it) 1985-08-17
DE2724661C3 (de) 1984-07-12
FR2390711B1 (it) 1985-04-26
DE2724661A1 (de) 1978-11-16

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