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GB2476317B - Quality sensor apparatus - Google Patents

Quality sensor apparatus

Info

Publication number
GB2476317B
GB2476317B GB0922464.3A GB0922464A GB2476317B GB 2476317 B GB2476317 B GB 2476317B GB 0922464 A GB0922464 A GB 0922464A GB 2476317 B GB2476317 B GB 2476317B
Authority
GB
United Kingdom
Prior art keywords
sensor apparatus
quality sensor
quality
sensor
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.)
Active
Application number
GB0922464.3A
Other versions
GB2476317A (en
GB0922464D0 (en
Inventor
Bja Rn Frivik
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.)
Wema System AS
Original Assignee
Wema System AS
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 Wema System AS filed Critical Wema System AS
Priority to GB0922464.3A priority Critical patent/GB2476317B/en
Publication of GB0922464D0 publication Critical patent/GB0922464D0/en
Priority to BR112012015054-5A priority patent/BR112012015054B1/en
Priority to MX2012007333A priority patent/MX2012007333A/en
Priority to CA2785027A priority patent/CA2785027A1/en
Priority to AU2010335058A priority patent/AU2010335058B2/en
Priority to KR1020127019164A priority patent/KR101733829B1/en
Priority to EA201290573A priority patent/EA027335B1/en
Priority to PCT/NO2010/000481 priority patent/WO2011078692A1/en
Priority to CN201080061968.5A priority patent/CN102713603B/en
Priority to US13/517,955 priority patent/US9151736B2/en
Priority to HK13105139.6A priority patent/HK1178249B/en
Priority to JP2012545888A priority patent/JP5779191B2/en
Priority to EP10805662.3A priority patent/EP2517004B1/en
Publication of GB2476317A publication Critical patent/GB2476317A/en
Application granted granted Critical
Publication of GB2476317B publication Critical patent/GB2476317B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • 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
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9495—Controlling the catalytic process
    • 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
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/2066—Selective catalytic reduction [SCR]
    • 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
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. by adjusting the dosing of reducing agent
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/024—Analysing fluids by measuring propagation velocity or propagation time of acoustic waves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2067—Urea
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/404—Nitrogen oxides other than dinitrogen oxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/50—Carbon oxides
    • B01D2257/502—Carbon monoxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/702—Hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • B01D53/9477—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
    • 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
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/021—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting ammonia NH3
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/10—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1406—Storage means for substances, e.g. tanks or reservoirs
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/022—Liquids
    • G01N2291/0228—Aqueous liquids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02818—Density, viscosity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Toxicology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Electrochemistry (AREA)
  • Acoustics & Sound (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
GB0922464.3A 2009-12-21 2009-12-21 Quality sensor apparatus Active GB2476317B (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
GB0922464.3A GB2476317B (en) 2009-12-21 2009-12-21 Quality sensor apparatus
CA2785027A CA2785027A1 (en) 2009-12-21 2010-12-21 Quality sensor apparatus
HK13105139.6A HK1178249B (en) 2009-12-21 2010-12-21 Apparatus and method for measuring physical properties of an urea solution
BR112012015054-5A BR112012015054B1 (en) 2009-12-21 2010-12-21 QUALITY SENSOR MECHANISM
AU2010335058A AU2010335058B2 (en) 2009-12-21 2010-12-21 Quality sensor apparatus
KR1020127019164A KR101733829B1 (en) 2009-12-21 2010-12-21 Quality sensor apparatus
EA201290573A EA027335B1 (en) 2009-12-21 2010-12-21 Apparatus and method for measuring quality of urea
PCT/NO2010/000481 WO2011078692A1 (en) 2009-12-21 2010-12-21 Quality sensor apparatus
CN201080061968.5A CN102713603B (en) 2009-12-21 2010-12-21 Quality sensor equipment
US13/517,955 US9151736B2 (en) 2009-12-21 2010-12-21 Quality sensor apparatus
MX2012007333A MX2012007333A (en) 2009-12-21 2010-12-21 Quality sensor apparatus.
JP2012545888A JP5779191B2 (en) 2009-12-21 2010-12-21 Quality sensor equipment
EP10805662.3A EP2517004B1 (en) 2009-12-21 2010-12-21 Apparatus and method for measuring physical properties of an urea solution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0922464.3A GB2476317B (en) 2009-12-21 2009-12-21 Quality sensor apparatus

Publications (3)

Publication Number Publication Date
GB0922464D0 GB0922464D0 (en) 2010-02-03
GB2476317A GB2476317A (en) 2011-06-22
GB2476317B true GB2476317B (en) 2014-02-12

Family

ID=41717434

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0922464.3A Active GB2476317B (en) 2009-12-21 2009-12-21 Quality sensor apparatus

Country Status (1)

Country Link
GB (1) GB2476317B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012215635A1 (en) * 2012-09-04 2014-03-06 Robert Bosch Gmbh Measuring element and method for distinguishing different types of liquids
EP2848931A1 (en) * 2013-09-16 2015-03-18 Inergy Automotive Systems Research (Société Anonyme) A vehicle urea tank associated with a sensing chamber for acoustic quality and level sensing
CN104632325A (en) * 2013-11-06 2015-05-20 北汽福田汽车股份有限公司 Urea pot assembly, SCR post-processing system and vehicle
DE102013112824A1 (en) * 2013-11-20 2015-05-21 Elobau Gmbh & Co. Kg withdrawal unit
US9388725B2 (en) 2014-01-08 2016-07-12 Komatsu Ltd. Reducing agent tank and work vehicle
US9297686B1 (en) 2015-04-02 2016-03-29 Texas Lfp, Llc Liquid level transducer with insertable quality sensor
CN106593587A (en) * 2016-12-07 2017-04-26 深圳华夏恒泰电子有限公司 Integrated injection molding type urea liquid level sensor
DE102018206360A1 (en) * 2018-04-25 2019-10-31 Conti Temic Microelectronic Gmbh Sensor device for determining the electrical conductivity of a fluid and the speed of sound in the fluid
CN114151181B (en) * 2022-01-05 2024-07-23 深圳市昊岳科技有限公司 Urea sensor

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998037412A1 (en) * 1997-02-19 1998-08-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Device for detecting material parameters of liquid media
WO2000026661A1 (en) * 1998-11-04 2000-05-11 Robert Bosch Gmbh Sensor arrangement for detecting the physical properties of liquids
EP1200815A1 (en) * 1999-06-09 2002-05-02 Clean Diesel Technologies Inc. METHODS AND COMPOSITIONS FOR ASSURING REDUCTION OF NOx EMISSIONS FROM AN ENGINE BY SELECTIVE CATALYTIC REDUCTION
EP1286161A2 (en) * 2001-08-21 2003-02-26 Robert Bosch Gmbh Device for assessing motor oil quality and an apparatus and method for testing engine or exhaust-gas using the same
US20040250606A1 (en) * 2001-10-29 2004-12-16 Stephanus Buttgenbach Device and method for determining the quality of a medium, particularly of a lubricant and/or coolant
US20050011183A1 (en) * 2001-01-19 2005-01-20 Wolfgang Ripper Device for metering a urea soulution
US20050207936A1 (en) * 2004-03-18 2005-09-22 Berryhill Ross C System for diagnosing reagent solution quality
JP2005283201A (en) * 2004-03-29 2005-10-13 Nissan Diesel Motor Co Ltd Water level meter mounting structure
EP1891427A1 (en) * 2005-06-17 2008-02-27 Honeywell International Inc. Passive acoustic wave sensor system
WO2008141172A1 (en) * 2007-05-12 2008-11-20 Honeywell International Inc. Acoustic resonance based urea quality sensor
EP2067517A2 (en) * 2007-12-04 2009-06-10 Caterpillar Inc. Systems and methods for monitoring the quality of a reducing agent

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998037412A1 (en) * 1997-02-19 1998-08-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Device for detecting material parameters of liquid media
WO2000026661A1 (en) * 1998-11-04 2000-05-11 Robert Bosch Gmbh Sensor arrangement for detecting the physical properties of liquids
EP1200815A1 (en) * 1999-06-09 2002-05-02 Clean Diesel Technologies Inc. METHODS AND COMPOSITIONS FOR ASSURING REDUCTION OF NOx EMISSIONS FROM AN ENGINE BY SELECTIVE CATALYTIC REDUCTION
US20050011183A1 (en) * 2001-01-19 2005-01-20 Wolfgang Ripper Device for metering a urea soulution
EP1286161A2 (en) * 2001-08-21 2003-02-26 Robert Bosch Gmbh Device for assessing motor oil quality and an apparatus and method for testing engine or exhaust-gas using the same
US20040250606A1 (en) * 2001-10-29 2004-12-16 Stephanus Buttgenbach Device and method for determining the quality of a medium, particularly of a lubricant and/or coolant
US20050207936A1 (en) * 2004-03-18 2005-09-22 Berryhill Ross C System for diagnosing reagent solution quality
JP2005283201A (en) * 2004-03-29 2005-10-13 Nissan Diesel Motor Co Ltd Water level meter mounting structure
EP1891427A1 (en) * 2005-06-17 2008-02-27 Honeywell International Inc. Passive acoustic wave sensor system
WO2008141172A1 (en) * 2007-05-12 2008-11-20 Honeywell International Inc. Acoustic resonance based urea quality sensor
EP2067517A2 (en) * 2007-12-04 2009-06-10 Caterpillar Inc. Systems and methods for monitoring the quality of a reducing agent

Also Published As

Publication number Publication date
HK1178249A1 (en) 2013-09-06
GB2476317A (en) 2011-06-22
GB0922464D0 (en) 2010-02-03

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S73 Revocation on comptroller's initiative (section 73/patents act 1977)

Free format text: PATENT REVOKED; PATENT REVOKED UNDER SECTION 73(2) ON 18 NOVEMBER 2016