GB2369677B - Improvements in or relating to fluid flow sensors & leak detection systems - Google Patents

Improvements in or relating to fluid flow sensors & leak detection systems

Info

Publication number
GB2369677B
GB2369677B GB0118218A GB0118218A GB2369677B GB 2369677 B GB2369677 B GB 2369677B GB 0118218 A GB0118218 A GB 0118218A GB 0118218 A GB0118218 A GB 0118218A GB 2369677 B GB2369677 B GB 2369677B
Authority
GB
United Kingdom
Prior art keywords
relating
fluid flow
leak detection
detection systems
flow sensors
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
GB0118218A
Other versions
GB0118218D0 (en
GB2369677A (en
Inventor
George Malcolm Swift Joynes
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.)
Roke Manor Research Ltd
Original Assignee
Roke Manor Research Ltd
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 GB0021374A external-priority patent/GB0021374D0/en
Priority claimed from GB0021370A external-priority patent/GB0021370D0/en
Application filed by Roke Manor Research Ltd filed Critical Roke Manor Research Ltd
Priority to US09/942,926 priority Critical patent/US20020073768A1/en
Publication of GB0118218D0 publication Critical patent/GB0118218D0/en
Publication of GB2369677A publication Critical patent/GB2369677A/en
Application granted granted Critical
Publication of GB2369677B publication Critical patent/GB2369677B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
    • G01M3/243—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations for pipes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
GB0118218A 2000-09-01 2001-07-26 Improvements in or relating to fluid flow sensors & leak detection systems Expired - Fee Related GB2369677B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US09/942,926 US20020073768A1 (en) 2000-09-01 2001-08-31 Fluid flow sensors & leak detection systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0021374A GB0021374D0 (en) 2000-09-01 2000-09-01 Improvements in or relating to leak detection systems
GB0021370A GB0021370D0 (en) 2000-09-01 2000-09-01 Improvements in or relating to fluid flow sensors

Publications (3)

Publication Number Publication Date
GB0118218D0 GB0118218D0 (en) 2001-09-19
GB2369677A GB2369677A (en) 2002-06-05
GB2369677B true GB2369677B (en) 2002-10-30

Family

ID=26244936

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0118218A Expired - Fee Related GB2369677B (en) 2000-09-01 2001-07-26 Improvements in or relating to fluid flow sensors & leak detection systems

Country Status (1)

Country Link
GB (1) GB2369677B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015072130A1 (en) * 2013-11-12 2015-05-21 日本電気株式会社 Leakage determination system and leakage determination method
CA3096879A1 (en) * 2016-10-13 2018-04-19 South East Water Corporation Water meter and systems
GB201714509D0 (en) * 2017-09-08 2017-10-25 Univ Of Huddersfield Fluid flow apparatus, method of manufacture and use thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58144726A (en) * 1982-02-23 1983-08-29 Toshiba Corp Apparatus for monitoring leakage of pressure fluid
US4543817A (en) * 1982-03-31 1985-10-01 Hitachi, Ltd. Method of detecting a leakage of fluid
EP0300460A1 (en) * 1987-07-22 1989-01-25 Kabushiki Kaisha Toshiba Apparatus for detecting presence/absence of water leakage from water pipe
US5040409A (en) * 1990-04-04 1991-08-20 Kiewit David A Sprinkler alarm
WO1995025264A1 (en) * 1994-03-15 1995-09-21 Energy And Environmental Technologies Corp. Apparatus and method for detecting ultrasonic waves propagated from within a selected distance
JPH1078371A (en) * 1996-09-04 1998-03-24 Omron Corp Liquid leakage detecting method and liquid leakage detector
GB2333363A (en) * 1998-01-19 1999-07-21 John Ifan Jones Water leak detector

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58144726A (en) * 1982-02-23 1983-08-29 Toshiba Corp Apparatus for monitoring leakage of pressure fluid
US4543817A (en) * 1982-03-31 1985-10-01 Hitachi, Ltd. Method of detecting a leakage of fluid
EP0300460A1 (en) * 1987-07-22 1989-01-25 Kabushiki Kaisha Toshiba Apparatus for detecting presence/absence of water leakage from water pipe
US5040409A (en) * 1990-04-04 1991-08-20 Kiewit David A Sprinkler alarm
WO1995025264A1 (en) * 1994-03-15 1995-09-21 Energy And Environmental Technologies Corp. Apparatus and method for detecting ultrasonic waves propagated from within a selected distance
JPH1078371A (en) * 1996-09-04 1998-03-24 Omron Corp Liquid leakage detecting method and liquid leakage detector
GB2333363A (en) * 1998-01-19 1999-07-21 John Ifan Jones Water leak detector

Also Published As

Publication number Publication date
GB0118218D0 (en) 2001-09-19
GB2369677A (en) 2002-06-05

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Legal Events

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

Effective date: 20050726