GB9920362D0 - Improvements relating to water treatment - Google Patents

Improvements relating to water treatment

Info

Publication number
GB9920362D0
GB9920362D0 GBGB9920362.2A GB9920362A GB9920362D0 GB 9920362 D0 GB9920362 D0 GB 9920362D0 GB 9920362 A GB9920362 A GB 9920362A GB 9920362 D0 GB9920362 D0 GB 9920362D0
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.)
Granted
Application number
GBGB9920362.2A
Other versions
GB2341169B (en
GB2341169A (en
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.)
WATKINS IVOR
Original Assignee
WATKINS IVOR
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 WATKINS IVOR filed Critical WATKINS IVOR
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 true GB9920362D0 (en) 1999-11-03
GB2341169A GB2341169A (en) 2000-03-08
GB2341169B 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)

Families Citing this family (3)

* 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.
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2551479A (en) * 1947-04-22 1951-05-01 Wallace & Tiernan Inc Electrical detection and measurement of fluid conditions
US3461030A (en) * 1965-10-22 1969-08-12 Beloit Corp Determination of fiber characteristics in paper making
SU885812A1 (en) * 1978-01-17 1981-11-30 Таллинское Производственное Управление Водоснабжения И Канализации Device for automatic metering out gas to water, e.g. chlorine in water
CH673091A5 (en) * 1987-06-10 1990-02-15 Tony Braendle Ag Wil
GB8730326D0 (en) * 1987-12-31 1988-02-03 Nomix Mfg Co Ltd Apparatus for delivering liquid

Also Published As

Publication number Publication date
GB2341169B (en) 2003-01-15
GB9818798D0 (en) 1998-10-21
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