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GB2320351B - Flow control means - Google Patents

Flow control means

Info

Publication number
GB2320351B
GB2320351B GB9804545A GB9804545A GB2320351B GB 2320351 B GB2320351 B GB 2320351B GB 9804545 A GB9804545 A GB 9804545A GB 9804545 A GB9804545 A GB 9804545A GB 2320351 B GB2320351 B GB 2320351B
Authority
GB
United Kingdom
Prior art keywords
control means
flow control
flow
control
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
GB9804545A
Other versions
GB9804545D0 (en
GB2320351A (en
Inventor
Jack Frank Pennell
David Neil Wragg
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.)
Ryford Ltd
Original Assignee
Ryford 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 GBGB9518066.7A external-priority patent/GB9518066D0/en
Priority claimed from GBGB9615670.8A external-priority patent/GB9615670D0/en
Application filed by Ryford Ltd filed Critical Ryford Ltd
Priority to GB9804545A priority Critical patent/GB2320351B/en
Priority claimed from PCT/GB1996/002183 external-priority patent/WO1997009662A1/en
Publication of GB9804545D0 publication Critical patent/GB9804545D0/en
Publication of GB2320351A publication Critical patent/GB2320351A/en
Application granted granted Critical
Publication of GB2320351B publication Critical patent/GB2320351B/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
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/06—Control of flow characterised by the use of electric means
    • G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
    • G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
    • G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Flow Control (AREA)
GB9804545A 1995-09-05 1996-09-05 Flow control means Expired - Fee Related GB2320351B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9804545A GB2320351B (en) 1995-09-05 1996-09-05 Flow control means

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GBGB9518066.7A GB9518066D0 (en) 1995-09-05 1995-09-05 Flow control means
GBGB9615670.8A GB9615670D0 (en) 1996-07-25 1996-07-25 Flow control means
PCT/GB1996/002183 WO1997009662A1 (en) 1995-09-05 1996-09-05 Flow control means
GB9804545A GB2320351B (en) 1995-09-05 1996-09-05 Flow control means

Publications (3)

Publication Number Publication Date
GB9804545D0 GB9804545D0 (en) 1998-05-06
GB2320351A GB2320351A (en) 1998-06-17
GB2320351B true GB2320351B (en) 1999-09-29

Family

ID=27267888

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9804545A Expired - Fee Related GB2320351B (en) 1995-09-05 1996-09-05 Flow control means

Country Status (1)

Country Link
GB (1) GB2320351B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7319641B2 (en) 2001-10-11 2008-01-15 1 . . . Limited Signal processing device for acoustic transducer array
US7515719B2 (en) 2001-03-27 2009-04-07 Cambridge Mechatronics Limited Method and apparatus to create a sound field

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9506725D0 (en) 1995-03-31 1995-05-24 Hooley Anthony Improvements in or relating to loudspeakers
AU7538000A (en) 1999-09-29 2001-04-30 1... Limited Method and apparatus to direct sound
GB2360365B (en) * 2000-03-16 2002-04-24 John Michael Smith Controlling a water supply
GB0104885D0 (en) * 2001-02-28 2001-04-18 Kinsey Gareth Variable flow controller

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4589435A (en) * 1984-09-24 1986-05-20 Aldrich Donald C Water shutoff valve
US4797666A (en) * 1986-09-16 1989-01-10 Baxter Carlton J Method and apparatus for monitoring fluid flow
US4926901A (en) * 1989-06-28 1990-05-22 Waltenburg Harold D Fluid supply line flow control device
US5000224A (en) * 1989-10-17 1991-03-19 Water Conservation, Inc. Water shut-off valve assembly
US5007453A (en) * 1989-04-19 1991-04-16 Yehuda Berkowitz Fluid flow control device
US5056554A (en) * 1987-02-20 1991-10-15 White F Grove Fluid loss, damage prevention and control system
US5086806A (en) * 1991-04-05 1992-02-11 Boyd Coffee Company Automatic flow control system and flood protector
GB2251506A (en) * 1990-12-14 1992-07-08 Platon Flow Control Leak detector
US5377529A (en) * 1993-11-15 1995-01-03 Boyd; Mark A. Leak detecting device, and method of constructing and utilizing same
EP0656527A1 (en) * 1993-12-02 1995-06-07 S.F.M. Sophisticated Water Meters Ltd. Compound flow meter and leak detector system with a valve that is shut under abnormal flow conditions

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4589435A (en) * 1984-09-24 1986-05-20 Aldrich Donald C Water shutoff valve
US4797666A (en) * 1986-09-16 1989-01-10 Baxter Carlton J Method and apparatus for monitoring fluid flow
US5056554A (en) * 1987-02-20 1991-10-15 White F Grove Fluid loss, damage prevention and control system
US5007453A (en) * 1989-04-19 1991-04-16 Yehuda Berkowitz Fluid flow control device
US4926901A (en) * 1989-06-28 1990-05-22 Waltenburg Harold D Fluid supply line flow control device
US5000224A (en) * 1989-10-17 1991-03-19 Water Conservation, Inc. Water shut-off valve assembly
GB2251506A (en) * 1990-12-14 1992-07-08 Platon Flow Control Leak detector
US5086806A (en) * 1991-04-05 1992-02-11 Boyd Coffee Company Automatic flow control system and flood protector
US5377529A (en) * 1993-11-15 1995-01-03 Boyd; Mark A. Leak detecting device, and method of constructing and utilizing same
EP0656527A1 (en) * 1993-12-02 1995-06-07 S.F.M. Sophisticated Water Meters Ltd. Compound flow meter and leak detector system with a valve that is shut under abnormal flow conditions

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7515719B2 (en) 2001-03-27 2009-04-07 Cambridge Mechatronics Limited Method and apparatus to create a sound field
US7319641B2 (en) 2001-10-11 2008-01-15 1 . . . Limited Signal processing device for acoustic transducer array

Also Published As

Publication number Publication date
GB9804545D0 (en) 1998-05-06
GB2320351A (en) 1998-06-17

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Legal Events

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

Effective date: 20000905