CA1102442A - Traduction non-disponible - Google Patents

Traduction non-disponible

Info

Publication number
CA1102442A
CA1102442A CA266,117A CA266117A CA1102442A CA 1102442 A CA1102442 A CA 1102442A CA 266117 A CA266117 A CA 266117A CA 1102442 A CA1102442 A CA 1102442A
Authority
CA
Canada
Prior art keywords
divider
frequency divider
switch
transducer
phase detector
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA266,117A
Other languages
English (en)
Inventor
Christopher J. Read
Kenneth E. Bearcroft
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ITT Inc
Original Assignee
ITT Industries Inc
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 ITT Industries Inc filed Critical ITT Industries Inc
Application granted granted Critical
Publication of CA1102442A publication Critical patent/CA1102442A/fr
Expired legal-status Critical Current

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)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Measuring Volume Flow (AREA)
  • Sampling And Sample Adjustment (AREA)
CA266,117A 1975-11-20 1976-11-19 Traduction non-disponible Expired CA1102442A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB47762/75A GB1551220A (en) 1975-11-20 1975-11-20 Ultrasonic flowmeter
GB47762/75 1975-11-20

Publications (1)

Publication Number Publication Date
CA1102442A true CA1102442A (fr) 1981-06-02

Family

ID=10446165

Family Applications (1)

Application Number Title Priority Date Filing Date
CA266,117A Expired CA1102442A (fr) 1975-11-20 1976-11-19 Traduction non-disponible

Country Status (13)

Country Link
JP (1) JPS5264963A (fr)
CA (1) CA1102442A (fr)
CH (1) CH608890A5 (fr)
DD (1) DD128436A5 (fr)
DE (1) DE2651766A1 (fr)
DK (1) DK520976A (fr)
ES (1) ES453490A1 (fr)
FR (1) FR2332536A1 (fr)
GB (1) GB1551220A (fr)
IT (1) IT1064276B (fr)
NL (1) NL7612736A (fr)
NO (1) NO148427C (fr)
SE (1) SE7612547L (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4308754A (en) * 1979-10-19 1982-01-05 Panametrics, Inc. Ultrasonic flowmeter
IT1144295B (it) * 1981-07-10 1986-10-29 Fiat Ricerche Dispositivo ultrasonico per la misura della portata di un fluido in un condotto
DE3146477C2 (de) * 1981-11-24 1983-12-08 Gründer & Hötten GmbH, 4300 Essen Schaltungsanordnung zur Messung der Geschwindigkeit von strömenden Medien
EP0218126B1 (fr) * 1985-09-30 1990-05-23 Siemens Aktiengesellschaft Procédé pour la mesure par ultrasons de vitesse de fluide
GB2205645A (en) * 1987-06-12 1988-12-14 Milan Herman Miessler Fluid flow measurement
DE4011526A1 (de) * 1990-04-10 1991-10-17 Bosch Gmbh Robert Vorrichtung zur ultraschall-durchflussmessung von stroemenden medien
US6993445B2 (en) 2001-01-16 2006-01-31 Invensys Systems, Inc. Vortex flowmeter
US6832179B2 (en) 2001-06-26 2004-12-14 Invensys Systems, Inc. Evaluating a vortex flow-meter signal

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
JPS5918643B2 (ja) * 1972-04-04 1984-04-28 ユナイテッド キングドム アトミック エナ↓−ヂイ オ↓−ソリテイ 流速測定装置
US3818757A (en) * 1972-05-05 1974-06-25 Saratoga Sys Inc Dual path ultrasonic fluid flow metering system and method
JPS49130261A (fr) * 1973-04-13 1974-12-13
US3914998A (en) * 1974-01-03 1975-10-28 Westinghouse Electric Corp Ultrasonic flowmeter system with alternating two-way transmission

Also Published As

Publication number Publication date
SE7612547L (sv) 1977-05-21
DK520976A (da) 1977-05-21
DE2651766A1 (de) 1977-05-26
CH608890A5 (en) 1979-01-31
IT1064276B (it) 1985-02-18
NO148427B (no) 1983-06-27
DD128436A5 (de) 1977-11-16
GB1551220A (en) 1979-08-22
JPS5264963A (en) 1977-05-28
NL7612736A (nl) 1977-05-24
NO763953L (fr) 1977-05-23
NO148427C (no) 1983-10-05
FR2332536B1 (fr) 1982-10-15
FR2332536A1 (fr) 1977-06-17
ES453490A1 (es) 1977-11-16

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Legal Events

Date Code Title Description
MKEX Expiry