JP2013108502A - 作業車両の排気ガス浄化システム - Google Patents
作業車両の排気ガス浄化システム Download PDFInfo
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- JP2013108502A JP2013108502A JP2013027595A JP2013027595A JP2013108502A JP 2013108502 A JP2013108502 A JP 2013108502A JP 2013027595 A JP2013027595 A JP 2013027595A JP 2013027595 A JP2013027595 A JP 2013027595A JP 2013108502 A JP2013108502 A JP 2013108502A
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- engine
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- manual regeneration
- exhaust gas
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- 239000003054 catalyst Substances 0.000 claims abstract description 14
- 230000003647 oxidation Effects 0.000 claims abstract description 14
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 14
- 239000013618 particulate matter Substances 0.000 claims description 35
- 230000008929 regeneration Effects 0.000 description 160
- 238000011069 regeneration method Methods 0.000 description 160
- 238000001514 detection method Methods 0.000 description 59
- 239000000446 fuel Substances 0.000 description 30
- 238000002347 injection Methods 0.000 description 24
- 239000007924 injection Substances 0.000 description 24
- 238000010586 diagram Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 18
- 230000008569 process Effects 0.000 description 17
- 238000000746 purification Methods 0.000 description 14
- 238000010276 construction Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 230000004913 activation Effects 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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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
- F01N9/002—Electrical control of exhaust gas treating apparatus of filter regeneration, e.g. detection of clogging
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
- E02F9/0866—Engine compartment, e.g. heat exchangers, exhaust filters, cooling devices, silencers, mufflers, position of hydraulic pumps in the engine compartment
-
- 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
- F01N3/02—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
- F01N3/023—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 using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/025—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 using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust
- F01N3/0253—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 using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust adding fuel to exhaust gases
-
- 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
- F02D41/024—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus
- F02D41/0245—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus by increasing temperature of the exhaust gas leaving the engine
-
- 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
- F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
- F02D41/029—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a particulate filter
-
- 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
- F02D41/08—Introducing corrections for particular operating conditions for idling
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/10—Parameters used for exhaust control or diagnosing said parameters being related to the vehicle or its components
-
- 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
- F02D41/024—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus
- F02D2041/026—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus using an external load, e.g. by increasing generator load or by changing the gear ratio
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/60—Input parameters for engine control said parameters being related to the driver demands or status
- F02D2200/604—Engine control mode selected by driver, e.g. to manually start particle filter regeneration or to select driving style
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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
-
- 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
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Exhaust Gas After Treatment (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Component Parts Of Construction Machinery (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
【解決手段】作業車両は、エンジン1の排気ガス中に含まれる粒子状物質を捕集しかつ捕集した粒子状物質を酸化触媒により焼却除去するフィルタ装置34と、油圧ポンプ11によって駆動される油圧アクチュエータ13〜15を制御する流量制御弁17〜19と、流量制御弁17〜19を通過するセンターバイパスライン51の最下流側部分51aに配置され、開閉制御可能な切換弁50とを備え、捕集した粒子状物質を焼却除去するとき、切換弁50がセンターバイパスライン51を遮断して、油圧ポンプ11の吐出圧力を増大させ、ディーゼルエンジン1の負荷を増大させる。
【選択図】 図9
Description
1a 電子ガバナ
2 エンジンコントロールダイヤル
2B アクセルペダル
3 回転数検出装置
4,4A,4B 制御装置
5 キースイッチ
11 油圧ポンプ
12 パイロットポンプ
13 油圧モータ
14,15 油圧シリンダ
17〜19 流量制御弁
20 パイロット油圧源
21 パイロットリリーフ弁
22 ゲートロックレバー
23 電磁切換弁
24 パイロット油路
25,26,27 リモコン弁
29 メインリリーフ弁
31 排気管
32 フィルタ
33 酸化触媒
34 DPF装置
35 位置検出装置
36 差圧検出装置
37 排気温度検出装置
38 表示装置(モニタ)
38a 表示画面
39 手動再生開始スイッチ
40 再生用燃料噴射装置(再生装置)
41,41A,41B 車体制御装置
42 モニタ制御装置
43 エンジン制御装置
50 電磁切換弁(再生装置)
60 パーキングブレーキ操作装置
61 位置検出装置
100 下部走行体
101 上部旋回体
102 フロント作業機
104a,104b 走行モータ
105 旋回モータ
106 エンジンルーム
107,107B 運転室
108 運転席
111 ブーム
112 アーム
113 バケット
114 ブームシリンダ
115 アームシリンダ
116 バケットシリンダ
200 ホイールローダ
201 車体前部
202 車体後部
204 フロント作業装置
206 運転席
207 操作レバー装置
208 ハンドル
211 バケット
212 ブーム
213 バケットシリンダ
214 ブームシリンダ
Claims (2)
- 油圧ポンプを駆動するディーゼルエンジンを備えた作業車両において、
前記エンジンの排気系に配置され、排気ガス中に含まれる粒子状物質を捕集しかつ捕集した粒子状物質を酸化触媒により焼却除去するフィルタ装置と、
前記油圧ポンプによって駆動される油圧アクチュエータを制御する流量制御弁と、
前記流量制御弁を通過するセンターバイパスラインの最下流側部分に配置され、開閉制御可能な切換弁とを備え、
前記捕集した粒子状物質を焼却除去するとき、前記切換弁が前記センターバイパスラインを遮断して、前記油圧ポンプの吐出圧力を増大させ、前記ディーゼルエンジンの負荷を増大させることを特徴とする作業車両。 - 請求項1記載の作業車両において、
前記捕集した粒子状物質を焼却除去するとき、前記ディーゼルエンジンの回転数を一定に制御するエンジン制御装置を更に備えることを特徴とする作業車両。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013027595A JP5584882B2 (ja) | 2007-11-06 | 2013-02-15 | 作業車両の排気ガス浄化システム |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007288898 | 2007-11-06 | ||
JP2007288898 | 2007-11-06 | ||
JP2013027595A JP5584882B2 (ja) | 2007-11-06 | 2013-02-15 | 作業車両の排気ガス浄化システム |
Related Parent Applications (1)
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JP2009540007A Division JP5204783B2 (ja) | 2007-11-06 | 2008-10-22 | 作業車両の排気ガス浄化システム |
Publications (2)
Publication Number | Publication Date |
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JP2013108502A true JP2013108502A (ja) | 2013-06-06 |
JP5584882B2 JP5584882B2 (ja) | 2014-09-10 |
Family
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Family Applications (3)
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JP2009540007A Active JP5204783B2 (ja) | 2007-11-06 | 2008-10-22 | 作業車両の排気ガス浄化システム |
JP2012169004A Active JP5526351B2 (ja) | 2007-11-06 | 2012-07-30 | 作業車両の排気ガス浄化システム |
JP2013027595A Active JP5584882B2 (ja) | 2007-11-06 | 2013-02-15 | 作業車両の排気ガス浄化システム |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
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JP2009540007A Active JP5204783B2 (ja) | 2007-11-06 | 2008-10-22 | 作業車両の排気ガス浄化システム |
JP2012169004A Active JP5526351B2 (ja) | 2007-11-06 | 2012-07-30 | 作業車両の排気ガス浄化システム |
Country Status (6)
Country | Link |
---|---|
US (1) | US8161736B2 (ja) |
EP (1) | EP2208872B1 (ja) |
JP (3) | JP5204783B2 (ja) |
KR (1) | KR101510491B1 (ja) |
CN (1) | CN101688450B (ja) |
WO (1) | WO2009060719A1 (ja) |
Cited By (3)
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CN105201609A (zh) * | 2015-10-10 | 2015-12-30 | 安徽江淮汽车股份有限公司 | 一种dpf主动再生方法及其控制系统 |
WO2018124771A1 (ko) * | 2016-12-28 | 2018-07-05 | 주식회사 두산 | 엔진식 지게차의 운전 중 dpf 재생 시스템 및 그 방법 |
JP2020037880A (ja) * | 2018-09-03 | 2020-03-12 | 日立建機株式会社 | 建設機械 |
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JP5662006B2 (ja) * | 2008-03-17 | 2015-01-28 | 株式会社小松製作所 | ディーゼルエンジン微粒子除去フィルターの再生装置および方法 |
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EP2208872B1 (en) | 2017-12-13 |
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JP5584882B2 (ja) | 2014-09-10 |
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JP5204783B2 (ja) | 2013-06-05 |
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