GB2237877B - Method and apparatus for measuring volume fluid flow - Google Patents

Method and apparatus for measuring volume fluid flow

Info

Publication number
GB2237877B
GB2237877B GB9019850A GB9019850A GB2237877B GB 2237877 B GB2237877 B GB 2237877B GB 9019850 A GB9019850 A GB 9019850A GB 9019850 A GB9019850 A GB 9019850A GB 2237877 B GB2237877 B GB 2237877B
Authority
GB
United Kingdom
Prior art keywords
fluid flow
measuring volume
volume fluid
measuring
flow
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 - Fee Related
Application number
GB9019850A
Other versions
GB2237877A (en
GB9019850D0 (en
Inventor
Robert Skidmore
Jonathan M Evans
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.)
Vital Science Corp
Original Assignee
Vital Science Corp
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 US06/905,742 external-priority patent/US4807636A/en
Application filed by Vital Science Corp filed Critical Vital Science Corp
Priority to GB9019850A priority Critical patent/GB2237877B/en
Publication of GB9019850D0 publication Critical patent/GB9019850D0/en
Publication of GB2237877A publication Critical patent/GB2237877A/en
Application granted granted Critical
Publication of GB2237877B publication Critical patent/GB2237877B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S15/582—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse-modulated waves and based upon the Doppler effect resulting from movement of targets
    • 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
    • G01F1/663—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 by measuring Doppler frequency shift
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S15/588—Velocity or trajectory determination systems; Sense-of-movement determination systems measuring the velocity vector
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8979—Combined Doppler and pulse-echo imaging systems
    • G01S15/8984—Measuring the velocity vector

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
GB9019850A 1986-09-09 1990-09-11 Method and apparatus for measuring volume fluid flow Expired - Fee Related GB2237877B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9019850A GB2237877B (en) 1986-09-09 1990-09-11 Method and apparatus for measuring volume fluid flow

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/905,742 US4807636A (en) 1986-09-09 1986-09-09 Method and apparatus for measuring volume fluid flow
GB9019850A GB2237877B (en) 1986-09-09 1990-09-11 Method and apparatus for measuring volume fluid flow

Publications (3)

Publication Number Publication Date
GB9019850D0 GB9019850D0 (en) 1990-10-24
GB2237877A GB2237877A (en) 1991-05-15
GB2237877B true GB2237877B (en) 1991-08-21

Family

ID=26297636

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9019850A Expired - Fee Related GB2237877B (en) 1986-09-09 1990-09-11 Method and apparatus for measuring volume fluid flow

Country Status (1)

Country Link
GB (1) GB2237877B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3960092A1 (en) * 2016-08-05 2022-03-02 Cimon Medical AS Ultrasound blood-flow monitoring

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4067236A (en) * 1975-11-10 1978-01-10 Univ Leland Stanford Junior Method and system for unambiguous method of volume flow
US4431936A (en) * 1982-02-18 1984-02-14 The Board Of Trustees Of The Leland Stanford Junior University Transducer structure for generating uniform and focused ultrasonic beams and applications thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4067236A (en) * 1975-11-10 1978-01-10 Univ Leland Stanford Junior Method and system for unambiguous method of volume flow
US4431936A (en) * 1982-02-18 1984-02-14 The Board Of Trustees Of The Leland Stanford Junior University Transducer structure for generating uniform and focused ultrasonic beams and applications thereof

Also Published As

Publication number Publication date
GB2237877A (en) 1991-05-15
GB9019850D0 (en) 1990-10-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940831