GB2412186B - Supply rate control method and apparatus - Google Patents

Supply rate control method and apparatus

Info

Publication number
GB2412186B
GB2412186B GB0406178A GB0406178A GB2412186B GB 2412186 B GB2412186 B GB 2412186B GB 0406178 A GB0406178 A GB 0406178A GB 0406178 A GB0406178 A GB 0406178A GB 2412186 B GB2412186 B GB 2412186B
Authority
GB
United Kingdom
Prior art keywords
control method
rate control
supply rate
supply
rate
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
GB0406178A
Other versions
GB0406178D0 (en
GB2412186A (en
Inventor
Michael Brooks
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.)
CHEMFEED Ltd
Original Assignee
CHEMFEED 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
Application filed by CHEMFEED Ltd filed Critical CHEMFEED Ltd
Priority to GB0406178A priority Critical patent/GB2412186B/en
Publication of GB0406178D0 publication Critical patent/GB0406178D0/en
Publication of GB2412186A publication Critical patent/GB2412186A/en
Application granted granted Critical
Publication of GB2412186B publication Critical patent/GB2412186B/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
    • 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
    • G05D11/132—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 by controlling the flow of the individual components
    • 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
    • G05D11/135—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by sensing at least one property of the mixture
    • G05D11/138—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by sensing at least one property of the mixture by sensing the concentration of the mixture, e.g. measuring pH value
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
    • G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means
GB0406178A 2004-03-19 2004-03-19 Supply rate control method and apparatus Expired - Fee Related GB2412186B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0406178A GB2412186B (en) 2004-03-19 2004-03-19 Supply rate control method and apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0406178A GB2412186B (en) 2004-03-19 2004-03-19 Supply rate control method and apparatus

Publications (3)

Publication Number Publication Date
GB0406178D0 GB0406178D0 (en) 2004-04-21
GB2412186A GB2412186A (en) 2005-09-21
GB2412186B true GB2412186B (en) 2008-06-04

Family

ID=32117999

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0406178A Expired - Fee Related GB2412186B (en) 2004-03-19 2004-03-19 Supply rate control method and apparatus

Country Status (1)

Country Link
GB (1) GB2412186B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104156012B (en) * 2014-08-01 2017-05-31 江苏大学 A kind of real-time control method for improving the mixed concentration stable state accuracy of medicament-mixing device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0420146A1 (en) * 1989-09-29 1991-04-03 Tokheim Corporation Variable blending dispenser
US6445980B1 (en) * 1999-07-10 2002-09-03 Mykrolis Corporation System and method for a variable gain proportional-integral (PI) controller

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0420146A1 (en) * 1989-09-29 1991-04-03 Tokheim Corporation Variable blending dispenser
US6445980B1 (en) * 1999-07-10 2002-09-03 Mykrolis Corporation System and method for a variable gain proportional-integral (PI) controller

Also Published As

Publication number Publication date
GB0406178D0 (en) 2004-04-21
GB2412186A (en) 2005-09-21

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20090903 AND 20090909

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20140612 AND 20140618

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20160319