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GB2341169B - Improvements relating to water treatment - Google Patents

Improvements relating to water treatment

Info

Publication number
GB2341169B
GB2341169B GB9920362A GB9920362A GB2341169B GB 2341169 B GB2341169 B GB 2341169B GB 9920362 A GB9920362 A GB 9920362A GB 9920362 A GB9920362 A GB 9920362A GB 2341169 B GB2341169 B GB 2341169B
Authority
GB
United Kingdom
Prior art keywords
water treatment
improvements relating
relating
treatment
water
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
GB9920362A
Other versions
GB9920362D0 (en
GB2341169A (en
Inventor
Ivor Watkins
Stephen Courtney Lynn Watkins
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB9920362D0 publication Critical patent/GB9920362D0/en
Publication of GB2341169A publication Critical patent/GB2341169A/en
Application granted granted Critical
Publication of GB2341169B publication Critical patent/GB2341169B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
    • G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
    • G05D11/131—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
GB9920362A 1998-09-01 1999-08-31 Improvements relating to water treatment Expired - Fee Related GB2341169B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9818798.2A GB9818798D0 (en) 1998-09-01 1998-09-01 Improvements relating to water treatment

Publications (3)

Publication Number Publication Date
GB9920362D0 GB9920362D0 (en) 1999-11-03
GB2341169A GB2341169A (en) 2000-03-08
GB2341169B true GB2341169B (en) 2003-01-15

Family

ID=10837989

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9818798.2A Ceased GB9818798D0 (en) 1998-09-01 1998-09-01 Improvements relating to water treatment
GB9920362A Expired - Fee Related GB2341169B (en) 1998-09-01 1999-08-31 Improvements relating to water treatment

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9818798.2A Ceased GB9818798D0 (en) 1998-09-01 1998-09-01 Improvements relating to water treatment

Country Status (1)

Country Link
GB (2) GB9818798D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104571164A (en) * 2014-12-22 2015-04-29 北京时代源泉科技有限公司 Online concentration multiple control method and device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2173040B1 (en) * 2001-01-23 2003-12-16 Univ La Rioja AUTOMATIC HOMOGENIC DOSAGE SYSTEM OF SULFUROUS IN WINERIES.
ES2246651B1 (en) * 2003-08-07 2006-11-16 Universidad De La Rioja SULFUROUS ANHYDRIDE DOSER IN CONTINUOUS HIGH PRECISION FOR VINICOLA USE.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB651140A (en) * 1947-04-22 1951-03-14 Wallace & Tiernan Inc Improvements in or relating to chlorine gas controlled, pressure-responsive measuring apparatus
GB1154350A (en) * 1965-10-22 1969-06-04 Beloit Corp Determination of Fibre Characteristics in Paper Making
US4232700A (en) * 1978-01-17 1980-11-11 Sutt Iokhannes I Metering device
EP0295202A2 (en) * 1987-06-10 1988-12-14 Tony Brändle AG Apparatus for introducing precise quantities of additives into a pressurised waterstream
GB2214164A (en) * 1987-12-31 1989-08-31 Nomix Mfg Co Ltd Calibration of apparatus for delivering a liquid

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB651140A (en) * 1947-04-22 1951-03-14 Wallace & Tiernan Inc Improvements in or relating to chlorine gas controlled, pressure-responsive measuring apparatus
GB1154350A (en) * 1965-10-22 1969-06-04 Beloit Corp Determination of Fibre Characteristics in Paper Making
US4232700A (en) * 1978-01-17 1980-11-11 Sutt Iokhannes I Metering device
EP0295202A2 (en) * 1987-06-10 1988-12-14 Tony Brändle AG Apparatus for introducing precise quantities of additives into a pressurised waterstream
GB2214164A (en) * 1987-12-31 1989-08-31 Nomix Mfg Co Ltd Calibration of apparatus for delivering a liquid

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104571164A (en) * 2014-12-22 2015-04-29 北京时代源泉科技有限公司 Online concentration multiple control method and device
CN104571164B (en) * 2014-12-22 2017-05-17 北京时代源泉科技有限公司 Online concentration multiple control method and device

Also Published As

Publication number Publication date
GB9818798D0 (en) 1998-10-21
GB9920362D0 (en) 1999-11-03
GB2341169A (en) 2000-03-08

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Legal Events

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

Effective date: 20090831