JP2018525608A - 粒子状物質センサ及びこれを含む排気ガス浄化システム - Google Patents
粒子状物質センサ及びこれを含む排気ガス浄化システム Download PDFInfo
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- 239000013618 particulate matter Substances 0.000 title claims abstract description 109
- 238000000746 purification Methods 0.000 title claims description 10
- 239000000758 substrate Substances 0.000 claims abstract description 45
- 238000000926 separation method Methods 0.000 claims abstract description 30
- 239000003990 capacitor Substances 0.000 claims description 45
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
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- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
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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
- F01N9/00—Electrical control of exhaust gas treating apparatus
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- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- 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
- F01N13/008—Mounting or arrangement of exhaust sensors in or on exhaust apparatus
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- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
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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
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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
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- G01N25/28—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly
- G01N25/30—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly using electric temperature-responsive elements
- G01N25/32—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly using electric temperature-responsive elements using thermoelectric elements
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- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
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- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- 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
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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
- G01N2015/0042—Investigating dispersion of solids
- G01N2015/0046—Investigating dispersion of solids in gas, e.g. smoke
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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
- 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
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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
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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
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
Description
C=εW/t
Claims (15)
- 絶縁基板;
前記絶縁基板の一面に形成され、リム電極及び前記リム電極に電気的に連結されない複数個の離隔電極を含む第1電極部;
前記絶縁基板の内部に前記第1電極部と間隔を置いて離隔配置され、前記第1電極部との静電容量を測定し得るように互いに電気的に連結された複数個の容量電極を含む第2電極部;及び
前記絶縁基板の内部に配置されて前記感応部に堆積した粒子状物質を除去するための熱を提供するヒーター部;を含み、
前記離隔電極は、粒子状物質が堆積する感応部と、静電容量を測定するための容量部と、を含み、
粒子状物質の堆積時に、前記離隔電極とリム電極が互いに電気的に連結されて前記第1電極部と第2電極部との間の静電容量を測定することを特徴とする粒子状物質センサ。 - 前記第1電極部は、前記複数個の離隔電極を取り囲むように配置されるリム電極及び前記リム電極から一方向に平行に延長される複数個の延長電極を含み、
前記各々の離隔電極は、互いに隣接する一対の延長電極の間または互いに隣接する延長電極とリム電極との間に前記感応部が配置されることを特徴とする請求項1に記載の粒子状物質センサ。 - 前記リム電極は、前記複数個の延長電極の端部が連結される第1連結電極及び前記第1連結電極の両端部から前記延長電極と平行に延長される第2連結電極を含むことを特徴とする請求項2に記載の粒子状物質センサ。
- 互いに隣接して配置される延長電極の間の間隔は、互いに同一に形成されることを特徴とする請求項2に記載の粒子状物質センサ。
- 前記感応部及び容量部は、所定の面積を有するように形成され、前記容量部の第2面積は、前記感応部の第1面積より相対的に広い面積を有することを特徴とする請求項1に記載の粒子状物質センサ。
- 前記容量部の第2面積は、前記感応部の第1面積の2倍以上であることを特徴とする請求項5に記載の粒子状物質センサ。
- 前記感応部及び容量部は、所定の長さを有するリード部を媒介として互いに離隔配置されることを特徴とする請求項1に記載の粒子状物質センサ。
- 前記感応部及び容量部を連結するリード部の全体長さは、前記感応部の全体長さと同一であるか、それより長い長さを有するように形成されることを特徴とする請求項7に記載の粒子状物質センサ。
- 前記容量電極は、前記容量部と対応する面積を有することを特徴とする請求項1に記載の粒子状物質センサ。
- 前記感応部の全体面積は、前記容量部の全体面積より狭い面積を有するように形成されることを特徴とする請求項1に記載の粒子状物質センサ。
- 前記第1電極部及び前記第2電極部の間には、誘電層が配置されることを特徴とする請求項1に記載の粒子状物質センサ。
- 前記第2電極部と前記ヒーター部との間に配置されて前記ヒーター部を制御する温度感知部をさらに含むことを特徴とする請求項1に記載の粒子状物質センサ。
- 前記絶縁基板は、アルミナまたはZTAであることを特徴とする請求項1に記載の粒子状物質センサ。
- 前記粒子状物質センサは、車両の排気ガス微粒子フィルターの後端に連結される排気管側に前記感応部が露出するように装着されることを特徴とする請求項7に記載の粒子状物質センサ。
- 排気マニホールド;
前記排気マニホールドから排出される排気ガスに含まれた微粒子を除去するための排気ガス微粒子フィルター;及び
前記排気ガス微粒子フィルターを通過して下流側に抜け出る粒子状物質を検出するように前記排気ガス微粒子フィルターに連結される流出側排気管に設置される請求項1〜請求項14のうちいずれか1項に記載の粒子状物質センサ;を含むことを特徴とする排気ガス浄化システム。
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KR10-2015-0081397 | 2015-06-09 | ||
KR1020150081397A KR101683467B1 (ko) | 2015-06-09 | 2015-06-09 | 입자상 물질 센서 및 그를 이용한 배기가스 정화 시스템 |
KR10-2016-0039712 | 2016-03-31 | ||
KR1020160039712A KR101991265B1 (ko) | 2016-03-31 | 2016-03-31 | 입자상 물질 센서 |
PCT/KR2016/006044 WO2016200132A1 (ko) | 2015-06-09 | 2016-06-08 | 입자상 물질 센서 및 이를 포함하는 배기가스 정화 시스템 |
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USD953183S1 (en) | 2019-11-01 | 2022-05-31 | Nvent Services Gmbh | Fuel sensor |
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JP2006515066A (ja) * | 2003-11-18 | 2006-05-18 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | ガス流中の粒子を検出するためのセンサならびに該センサを製造するための方法 |
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US10801389B2 (en) | 2020-10-13 |
CN107709967A (zh) | 2018-02-16 |
CN107709967B (zh) | 2021-04-27 |
JP6466002B2 (ja) | 2019-02-06 |
DE112016002629T5 (de) | 2018-02-22 |
US20180355779A1 (en) | 2018-12-13 |
WO2016200132A1 (ko) | 2016-12-15 |
DE112016002629B4 (de) | 2020-10-08 |
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