JP2007304068A - 排気微粒子の測定装置 - Google Patents
排気微粒子の測定装置 Download PDFInfo
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- JP2007304068A JP2007304068A JP2006135602A JP2006135602A JP2007304068A JP 2007304068 A JP2007304068 A JP 2007304068A JP 2006135602 A JP2006135602 A JP 2006135602A JP 2006135602 A JP2006135602 A JP 2006135602A JP 2007304068 A JP2007304068 A JP 2007304068A
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- exhaust
- oxidation catalyst
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- 239000010419 fine particle Substances 0.000 title abstract description 16
- 239000003054 catalyst Substances 0.000 claims abstract description 246
- 230000003647 oxidation Effects 0.000 claims abstract description 228
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 228
- 239000001301 oxygen Substances 0.000 claims abstract description 142
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 142
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 141
- 239000007789 gas Substances 0.000 claims abstract description 111
- 239000011232 storage material Substances 0.000 claims abstract description 17
- 239000000446 fuel Substances 0.000 claims description 56
- 238000002485 combustion reaction Methods 0.000 claims description 44
- 238000009825 accumulation Methods 0.000 claims description 41
- 238000010438 heat treatment Methods 0.000 claims description 41
- 238000005259 measurement Methods 0.000 claims description 39
- 230000010354 integration Effects 0.000 claims description 26
- 230000008021 deposition Effects 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 9
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 230000003584 silencer Effects 0.000 claims description 4
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 abstract description 54
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 abstract description 54
- 238000000034 method Methods 0.000 description 30
- 230000008569 process Effects 0.000 description 29
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- 239000002245 particle Substances 0.000 description 16
- 239000000779 smoke Substances 0.000 description 15
- 230000008859 change Effects 0.000 description 14
- 239000000498 cooling water Substances 0.000 description 11
- 238000002347 injection Methods 0.000 description 11
- 239000007924 injection Substances 0.000 description 11
- 229910052697 platinum Inorganic materials 0.000 description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 229910002091 carbon monoxide Inorganic materials 0.000 description 7
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 7
- 230000003247 decreasing effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 229930195733 hydrocarbon Natural products 0.000 description 6
- 150000002430 hydrocarbons Chemical class 0.000 description 6
- 239000013618 particulate matter Substances 0.000 description 6
- 238000000691 measurement method Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 238000010792 warming Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- -1 specifically Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
- G01N1/2252—Sampling from a flowing stream of gas in a vehicle exhaust
-
- 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, e.g. for catalytic activity
- F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
- F01N13/0093—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are of the same type
-
- 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
- F01N3/101—Three-way catalysts
-
- 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
- F01N3/105—General auxiliary catalysts, e.g. upstream or downstream of the main catalyst
- F01N3/106—Auxiliary oxidation catalysts
-
- 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
- F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
- F01N3/2013—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using electric or magnetic heating means
- F01N3/2026—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using electric or magnetic heating means directly electrifying the catalyst substrate, i.e. heating the electrically conductive catalyst substrate by joule effect
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
-
- 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
- F01N2560/025—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting O2, e.g. lambda sensors
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- 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
- F01N2560/05—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a particulate sensor
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- 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
- F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/12—Introducing corrections for particular operating conditions for deceleration
- F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Exhaust Gas After Treatment (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
【解決手段】排気管47における三元触媒49とマフラ50との間に、排気ガス中の微粒子の量を計測するPMセンサ62を設け、このPMセンサ62を、酸化触媒71と電気ヒータ72を重ね合わせるように固定し、両者の間に酸化触媒71の温度を計測する温度センサ73を介装して構成すると共に、この酸化触媒71に排気ガス中の酸素を吸蔵する酸素吸蔵剤としてのセリアを担持し、ECU51は、電気ヒータ72により酸化触媒71を加熱したときの温度上昇量と吸入空気量の積算値に基づいて排気微粒子の堆積量を算出する。
【選択図】 図1
Description
47 排気管(排気通路)
48,49 三元触媒
50 マフラ(消音器)
51 電子制御ユニット、ECU(堆積量算出手段)
52 エアフローセンサ
58 水温センサ
62 PMセンサ
63 酸素センサ
71 酸化触媒(酸素吸蔵剤)
72 電気ヒータ(加熱手段)
73 温度センサ(排気温度センサ)
Claims (8)
- 排気通路に配設された酸化触媒と、該酸化触媒に担持された酸素吸蔵剤と、前記酸化触媒を加熱する加熱手段と、前記酸化触媒の温度を計測する温度センサと、前記加熱手段により前記酸化触媒を加熱したときの温度上昇度合に応じて排気微粒子の堆積量を算出する堆積量算出手段とを具えたことを特徴とする排気微粒子の測定装置。
- 請求項1に記載の排気微粒子の測定装置において、前記酸化触媒は、前記排気通路に配設された三元触媒より排気ガスの流動方向の下流側で、且つ、消音器より上流側に配置されたことを特徴とする排気微粒子の測定装置。
- 請求項1または2に記載の排気微粒子の測定装置において、前記堆積量算出手段は、燃料カット継続時間及び吸入空気量に基づいて前記酸素吸蔵剤による酸素吸蔵量を推定し、この酸素吸蔵量が予め設定された所定値以上であるときに前記加熱手段により前記酸化触媒を加熱して排気微粒子の堆積量を算出することを特徴とする排気微粒子の測定装置。
- 請求項1または2に記載の排気微粒子の測定装置において、前記排気通路における前記酸化触媒の近傍に酸素センサが配設され、前記堆積量算出手段は、該酸素センサの検出結果に基づいて前記酸素吸蔵剤による酸素吸蔵量を推定し、この酸素吸蔵量が予め設定された所定値以上であるときに前記加熱手段により前記酸化触媒を加熱して排気微粒子の堆積量を算出することを特徴とする排気微粒子の測定装置。
- 排気通路に配設された酸化触媒と、該酸化触媒を加熱する加熱手段と、前記酸化触媒の温度を計測する温度センサと、前記加熱手段により前記酸化触媒を加熱したときの温度上昇度合に応じて排気微粒子の堆積量を算出する堆積量算出手段とを具え、該堆積量算出手段は、燃料カット中に前記加熱手段により前記酸化触媒を加熱して排気微粒子の堆積量を算出することを特徴とする排気微粒子の測定装置。
- 請求項1から5のいずれか一つに記載の排気微粒子の測定装置において、前記堆積量算出手段は、前記加熱手段により前記酸化触媒を加熱して排気微粒子を燃焼し、前記酸化触媒が排気微粒子を燃焼不能な温度以下に低下してから吸入空気量の積算を開始し、この吸入空気量の積算値が予め設定された所定値より大きくなったときに前記加熱手段により前記酸化触媒を加熱して排気微粒子の堆積量を算出することを特徴とする排気微粒子の測定装置。
- 請求項6に記載の排気微粒子の測定装置において、前記排気通路における前記酸化触媒の近傍に排気温度センサが配設され、前記堆積量算出手段は、該排気温度センサにより検出された排気ガス温度が排気微粒子を燃焼可能な燃焼温度以上になったときに、吸入空気量の積算値をキャンセルして再度吸入空気量の積算を開始することを特徴とする排気微粒子の測定装置。
- 請求項1から7のいずれか一つに記載の排気微粒子の測定装置において、前記堆積量算出手段は、前記加熱手段により前記酸化触媒を加熱して排気微粒子の堆積量を算出するとき、リッチ運転を禁止することを特徴とする排気微粒子の測定装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006135602A JP4172497B2 (ja) | 2006-05-15 | 2006-05-15 | 排気微粒子の測定装置 |
PCT/IB2007/001240 WO2007132334A2 (en) | 2006-05-15 | 2007-05-14 | Exhaust particulate matter measuring apparatus |
US12/227,289 US20090094963A1 (en) | 2006-05-15 | 2007-05-14 | Exhaust particulate matter measuring apparatus |
EP07734549A EP2035819A2 (en) | 2006-05-15 | 2007-05-14 | Exhaust particulate matter measuring apparatus |
CNA2007800179005A CN101449152A (zh) | 2006-05-15 | 2007-05-14 | 排气颗粒物测量装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006135602A JP4172497B2 (ja) | 2006-05-15 | 2006-05-15 | 排気微粒子の測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007304068A true JP2007304068A (ja) | 2007-11-22 |
JP4172497B2 JP4172497B2 (ja) | 2008-10-29 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006135602A Expired - Fee Related JP4172497B2 (ja) | 2006-05-15 | 2006-05-15 | 排気微粒子の測定装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20090094963A1 (ja) |
EP (1) | EP2035819A2 (ja) |
JP (1) | JP4172497B2 (ja) |
CN (1) | CN101449152A (ja) |
WO (1) | WO2007132334A2 (ja) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009144577A (ja) * | 2007-12-13 | 2009-07-02 | Mitsubishi Motors Corp | パティキュレートフィルタの故障判定装置 |
JP2009270536A (ja) * | 2008-05-09 | 2009-11-19 | Nippon Soken Inc | パティキュレートセンサ素子及び故障検出装置 |
JP2010275977A (ja) * | 2009-05-29 | 2010-12-09 | Honda Motor Co Ltd | 粒子状物質検出手段の故障判定装置 |
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2006
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-
2007
- 2007-05-14 EP EP07734549A patent/EP2035819A2/en not_active Withdrawn
- 2007-05-14 CN CNA2007800179005A patent/CN101449152A/zh active Pending
- 2007-05-14 WO PCT/IB2007/001240 patent/WO2007132334A2/en active Application Filing
- 2007-05-14 US US12/227,289 patent/US20090094963A1/en not_active Abandoned
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Also Published As
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WO2007132334A3 (en) | 2008-01-24 |
WO2007132334A2 (en) | 2007-11-22 |
WO2007132334A8 (en) | 2008-02-21 |
EP2035819A2 (en) | 2009-03-18 |
JP4172497B2 (ja) | 2008-10-29 |
US20090094963A1 (en) | 2009-04-16 |
CN101449152A (zh) | 2009-06-03 |
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