JP2011508132A - 排気ガス処理デバイスのための流体噴射装置および方法 - Google Patents
排気ガス処理デバイスのための流体噴射装置および方法 Download PDFInfo
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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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
- 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
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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
- 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
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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
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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
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- Exhaust Gas After Treatment (AREA)
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Abstract
【選択図】図3
Description
加圧流体の供給源から流体導管を通して供給を受けるとともに、エンジン機構の排気ラインの排気ガスの流れに流体を噴射するのに適した電磁制御式流体噴射器と、
流体の吐出を制御するための、流体供給源と噴射器との間の流体導管のフィードバルブと、
噴射器をパージするためのパージシステムであって、加圧ガスの供給源を流体導管に接続するガス導管を包含するパージシステムと、
を含み、
パージシステムがさらに、
ガス導管の圧力制限器と、
流体導管からガス供給源への還流を防止するための、圧力制限器の下流のチェックバルブと、
を包含することと、
圧力制限器により制限される圧力が、フィードバルブの下流の流体導管で流体供給源により吐出される流体の圧力より低いことと、
を特徴とする。
a)フィードバルブ32および噴射器30を閉位置へ制御すること。
b)ガス導管36に既知の圧力を用意すること。
d)例えば圧力センサ59を通して、流量制限手段の下流のガス圧力を測定すること。
e)流量制限手段の下流で測定された圧力をガス導管に用意された既知の圧力と比較すること。
加圧ガス供給源38を燃料導管に接続するためのガス導管36と、
ガス導管36に装着される圧力制限器40と、
流体導管30からガス供給源38への還流を防止するための、圧力制限器40の下流のチェックバルブ42と、
を包含し、
圧力制限器40により制限される圧力は、フィードバルブの下流の流体導管に流体供給源により吐出される流体の圧力よりも低い。
12 エンジン
14 エンジンブロック
16 吸気マニホルド
18 排気マニホルド
19 排気ライン
20 排気パイプ
22 排気ガス処理デバイス
24 流体噴射装置
26 流体噴射器
28 流体供給源
30 流体導管
31 結合部
32 フィードバルブ
34 パージシステム
36 ガス導管
38 ガス供給源
40 圧力制限器
42 チェックバルブ
44 逆止バルブ
46 排出システム
48 排出導管
50 流量制限器
52 リリーフバルブ
54 タンク
55 還流回路
56 圧力センサ
58 リリーフバルブ
59 圧力センサ
60 流量制限器
Claims (14)
- 内燃エンジン機構の排気ガス処理デバイス(22)のための流体噴射装置(24)であって、
加圧流体の供給源(28)から流体導管(30)を通って供給を受けるとともに、前記エンジン機構の排気ライン(19)の排気ガスの流れに流体を噴射するのに適した電磁制御式流体噴射器(26)と、
流体の吐出を制御するための、前記流体供給源(28)と前記噴射器(26)との間の前記流体導管(30)のフィードバルブ(32)と、
前記噴射器(26)をパージするためのパージシステム(34)であり、加圧ガスの供給源(38)を前記流体導管(30)に接続するガス導管(36)を包含するパージシステム(34)と、
を含む装置(24)であり、
前記パージシステム(34)がさらに、
前記ガス導管(34)の圧力制限器(40)と、
前記流体導管(30)から前記ガス供給源(38)への還流を防止するための、前記圧力制限器の下流のチェックバルブ(42)と、
を包含することと、
前記圧力制限器(40)により制限される圧力が、前記フィードバルブ(32)の下流の前記流体導管(30)に前記流体供給源(28)により吐出される流体の圧力より低いことと、
を特徴とする装置。 - 前記フィードバルブ(32)の下流の前記流体導管(30)に前記流体供給源(28)により吐出される流体の圧力を超える圧力のガスを、前記加圧ガス供給源(38)が吐出することを特徴とする、請求項1に記載の装置。
- 前記パージシステム(34)が被制御バルブを全く備えていないことを特徴とする、請求項1または2に記載の装置。
- 前記噴射器(26)が開いている時と前記フィードバルブ(32)が閉じている時に、前記パージシステム(34)により前記流体導管(30)へ加圧ガスが自動的に吐出されることを特徴とする、請求項1乃至3のいずれかに記載の装置。
- 前記フィードバルブ(32)が開いている時に、前記パージシステム(34)により前記流体導管(30)へガスが吐出されないことを特徴とする、請求項1乃至4のいずれかに記載の装置。
- 前記チェックバルブ(42)が前記圧力制限器(40)に組み込まれることを特徴とする、請求項1乃至5のいずれかに記載の装置。
- 前記フィードバルブ(32)への還流を防止するための、前記フィードバルブ(32)と前記ガス導管(36)および前記流体導管(30)の結合部(31)との間の前記流体導管(30)の逆止バルブ(44)を、前記装置がさらに包含することを特徴とする、請求項1乃至6のいずれかに記載の装置。
- 前記フィードバルブ(32)と前記逆止バルブ(44)との間の前記流体導管(30)の一部から排出を行うための排出システム(46)を前記装置がさらに包含することを特徴とする、請求項7に記載の装置。
- 前記フィードバルブ(32)を迂回するとともに、前記流体導管(30)から前記流体圧力供給源(28)への流れのみを許可するリリーフバルブ(58)を備える還流回路(55)を前記装置が包含することを特徴とする、請求項7または8に記載の装置。
- 前記ガス導管(36)の流量制限器(60)と前記流量制限器(60)の下流の圧力センサ(59)とを前記装置(24)が包含することを特徴とする、請求項1乃至9のいずれかに記載の装置。
- 前記圧力センサ(59)が前記流体導管(30)に配置されることを特徴とする、請求項10に記載の装置。
- 請求項1乃至11のいずれかに記載の装置(24)を備えることを特徴とする、エンジン機構。
- 内燃エンジン機構の排気ガス処理デバイスのための流体噴射装置(24)にパージシステム(34)を追加導入するためのキットであって、前記装置が、
加圧流体の供給源(28)から流体導管(30)を通って供給を受けるとともに、前記処理デバイスの上流において前記エンジン機構の排気ラインの排気ガスの流れに流体を噴射するのに適した電磁制御式流体噴射器(26)と、
前記流体の吐出を制御するための、前記流体供給源(28)と前記噴射器との間の前記流体導管のフィードバルブ(32)と、
を包含し、
前記キットが、
加圧ガス供給源(38)を前記燃料導管(30)に接続するためのガス導管(36)と、
前記ガス導管(36)に装着される圧力制限器(40)と、
前記流体導管(30)から前記ガス供給源(38)への還流を防止するため、前記圧力制限器(40)の下流に装着されたチェックバルブ(42)と、
を包含し、
前記圧力制限器(40)により制限される圧力が、前記フィードバルブ(32)の下流の前記流体導管(30)に前記流体供給源(28)により吐出される流体の圧力より低い、
ことを特徴とする、
キット。 - 内燃エンジン機構の排気ガス処理デバイスのための流体噴射装置における漏出を検出するためのプロセスであって、前記装置が、
加圧流体の供給源(28)から流体導管(30)を通って供給を受けるとともに、前記処置デバイス(22)の上流において前記エンジン機構の排気ライン(19)の排気ガスの流れに流体を噴射するのに適した電磁制御式流体噴射器(26)と、
流体の吐出を制御するための、前記流体供給源(28)と前記噴射器(26)との間の前記流体導管(30)のフィードバルブ(32)と、
前記流体導管(30)をパージするためのパージシステム(34)であって、加圧ガス供給源(38)を前記流体導管(30)に接続するガス導管(36)を包含するパージシステム(34)と、
を含み、
前記プロセスが、
前記フィードバルブ(32)と前記噴射器(26)とを閉じるステップと、
前記ガス導管(36)に既知の圧力を用意するステップと、
流量制限手段(60)により前記ガス導管のガスの流れを制限するステップと、
前記流量制限手段の下流でガス圧力を測定するステップと、
前記流量制限手段(60)の下流で測定された圧力を前記ガス導管(36)に用意された既知の圧力と比較するステップと、
を包含することを特徴とする、
プロセス。
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PCT/IB2007/004422 WO2009081228A1 (en) | 2007-12-21 | 2007-12-21 | Apparatus and method for injection of a fluid for an exhaust gases treatment device |
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US (1) | US8359834B2 (ja) |
EP (1) | EP2235336B1 (ja) |
JP (1) | JP5118755B2 (ja) |
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Cited By (1)
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JP2011122534A (ja) * | 2009-12-11 | 2011-06-23 | Volvo Powertrain Ab | 後処理用燃料添加装置 |
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EP2179148B1 (en) * | 2007-08-20 | 2015-04-15 | Parker-Hannifin Corporation | Diesel dosing system for active diesel particulate filter regeneration |
WO2009128985A1 (en) * | 2008-04-15 | 2009-10-22 | G.W. Lisk Company, Inc. | System for purging a device |
US20100083940A1 (en) * | 2008-10-04 | 2010-04-08 | Woodford Leon Vrazel | Cryogenic air cooler for improving power and fuel efficiency of a motor vehicle internal combustion engine |
SE535143C2 (sv) * | 2010-05-28 | 2012-04-24 | Scania Cv Ab | Metod och system för provning av ett insprutningssystem vid en avgasningsprocess eller en förbränningsprocess |
SE536316C2 (sv) * | 2010-06-21 | 2013-08-20 | Scania Cv Ab | Förfarande och anordning för att avlägsna bränsle ur en doseringsenhet vid ett HC-doseringssystem |
DE102010044399A1 (de) | 2010-09-04 | 2012-03-08 | Deutz Ag | Rohr |
EP2944777B1 (en) * | 2012-12-10 | 2018-03-14 | Volvo Truck Corporation | Exhaust pipe fuel injector |
BR112016012873B1 (pt) * | 2013-12-06 | 2021-09-14 | Volvo Truck Corporation | Sistema de combustível para entrega de combustível pressurizado tanto para um motor de combustão interna quanto para uma instalação de exaustão, e disposição de motor de combustão interna |
US10473014B2 (en) * | 2013-12-23 | 2019-11-12 | Baohua Qi | Low pressure atomizing injector |
US9140166B1 (en) | 2014-04-04 | 2015-09-22 | Caterpillar Inc. | Reductant dosing system |
US9387437B2 (en) | 2014-05-21 | 2016-07-12 | Caterpillar Inc. | Reductant supply system |
WO2016068878A1 (en) | 2014-10-28 | 2016-05-06 | Volvo Truck Corporation | Electrostatic fluid injection system |
DE102016119713B3 (de) * | 2016-10-17 | 2018-03-08 | Avl Emission Test Systems Gmbh | Gaszuführeinheit für eine Abgasanalyseeinheit zur Messung von Abgasen von Verbrennungskraftmaschinen |
JP6895077B2 (ja) * | 2017-09-26 | 2021-06-30 | 株式会社ノーリツ | 燃焼装置 |
EP3494926A1 (de) | 2017-12-05 | 2019-06-12 | Repuls Lichtmedizinteckhnik GmbH | Implantat mit reservoir |
US11326492B2 (en) * | 2018-11-09 | 2022-05-10 | Rotex Automation Limited | Hydrocarbon dosing system |
US11946404B2 (en) * | 2018-12-14 | 2024-04-02 | Cummins Filtration Ip, Inc. | Diesel fuel dosing module for regeneration of diesel particulate filters with continuous purging |
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- 2007-12-21 JP JP2010538929A patent/JP5118755B2/ja not_active Expired - Fee Related
- 2007-12-21 AT AT07870453T patent/ATE538288T1/de active
- 2007-12-21 CN CN2007801020335A patent/CN101903624B/zh active Active
- 2007-12-21 US US12/809,405 patent/US8359834B2/en active Active
- 2007-12-21 EP EP07870453A patent/EP2235336B1/en active Active
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Also Published As
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US20110016854A1 (en) | 2011-01-27 |
JP5118755B2 (ja) | 2013-01-16 |
CN101903624A (zh) | 2010-12-01 |
US8359834B2 (en) | 2013-01-29 |
EP2235336A1 (en) | 2010-10-06 |
CN101903624B (zh) | 2012-12-12 |
WO2009081228A1 (en) | 2009-07-02 |
EP2235336B1 (en) | 2011-12-21 |
ATE538288T1 (de) | 2012-01-15 |
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