CN101089374A - Diesel exhaust system reversible particulate filter - Google Patents
Diesel exhaust system reversible particulate filter Download PDFInfo
- Publication number
- CN101089374A CN101089374A CNA2007101103645A CN200710110364A CN101089374A CN 101089374 A CN101089374 A CN 101089374A CN A2007101103645 A CNA2007101103645 A CN A2007101103645A CN 200710110364 A CN200710110364 A CN 200710110364A CN 101089374 A CN101089374 A CN 101089374A
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- China
- Prior art keywords
- particulate filter
- diesel particulate
- pipe
- vent systems
- ashes
- 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.)
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Classifications
-
- 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
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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
- 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
- F01N3/0233—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 periodically cleaning filter by blowing a gas through the filter in a direction opposite to exhaust flow, e.g. exposing filter to engine air intake
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
The invention concerns a diesel particulate filter in an exhaust system of a vehicle having a diesel engine. The particulate filter may have soot burned out via a regeneration process, and may be serviced for ash buildup by selectively reversing the diesel particulate filter, or its brick, in the exhaust system.
Description
Technical field
The present invention generally relates to the vent systems in the vehicle with diesel engine.
Background technique
Recently use the emission regulation of the vehicle of diesel engine to limit the amount of soot that vehicle can discharge.Soot discharges with Vehicular exhaust as the by product of diesel combustion.The diesel particulate filter (being also referred to as catcher) that adds vent systems to has limited the discharging of soot fully to satisfy regulation.
Diesel particulate filter by allow waste gas by the time collect soot and come work.When vehicle operating, soot is just built up in filter so.Need periodically remove this soot can not stop up to guarantee filter.Plugged sereen brings damage may for self or motor.The soot of building up in the filter can remove by the method that is called regeneration.Carry out regeneration by diesel particulate filter being heated to the temperature that soot can burn, thereby cleared up filter.
Unfortunately, collect ashes (ash) toward the contact meeting in the diesel particulate filter.Ashes are different with soot.At the motor run duration, the lubricant oil that uses in the diesel engine enters cylinder along its route.This lubricant oil comprises additive.When lubricant oil burnt during the burning, additive left cylinder with the form of ashes with soot and flows into vent systems.Normally used diesel oxidation catalyst is flow type catalyzer (flow throughcatalyst) in the diesel exhaust gas assembly, so ashes and soot can not built up therein.But the cellular structure of diesel particulate filter can be collected ashes and soot.As mentioned above, soot can be burnt, but in this process, ashes can't be burnt by regenerative process.Vehicle operating after a lot of mileages, the ashes of building up in the diesel particulate filter can make the back pressure in the vent systems too high.
When can't normally moving, must repair diesel particulate filter (if can also use) or displacement.The displacement diesel filter is very expensive, so do not replace if filter just can be safeguarded.But by dismounting diesel particulate filter assembly, the maintenance from block structure (cellular structure) cleaning ashes also is kind of a less-than-ideal expensive scheme consuming time again.
Therefore, need provide a kind of vent systems of using diesel particulate filter, it has the diesel engine exhaust system of making and continues use vehicle travel mileage as much as possible, makes simultaneously because the displacement that the ashes accumulation causes or the device of maintenance cost minimum.
Summary of the invention
One embodiment shows the vent systems of the vehicle that is used to have diesel engine.This vent systems can comprise: diesel particulate filter has first end and second opposed end; First manages, and is positioned at the upstream of described diesel particulate filter, is used for waste gas is imported described particulate filter; And second pipe, be positioned at the downstream of described diesel particulate filter, be used to receive the waste gas of described particulate filter.This vent systems also can comprise: first mounting flange, be fixed in first end of described diesel particulate filter, and can be installed on described first pipe or described second pipe, and be installed in described first pipe and described second pipe one; And second mounting flange, be fixed in second end of described diesel particulate filter, can be installed on described first pipe or described second pipe, and be installed in described first pipe and described second pipe another.
One embodiment shows and is used for monitoring and safeguarding that the vent systems of the vehicle with diesel engine may be fully loaded with the method for the diesel particulate filter that ashes are arranged, and this method comprises the following steps: to monitor at least one parameter that ashes are built up in the described particulate filter of expression; Determine whether to take action according to described at least one parameter because the ashes in the described diesel filter are built up needs; Indication needs to safeguard described diesel particulate filter when step is determined to take to move; And when indication needed to safeguard and wishes reversing, the reversing exhaust flow was crossed the direction of block structure in the described diesel particulate filter.
One embodiment shows the method that is used for regenerating and safeguards the vent systems diesel particulate filter of the vehicle with diesel engine, and described method comprises: (a) move described diesel engine and vent systems with normal operation mode; (b) when moving with normal operation mode, at least one soot parameter that soot is built up in the described diesel particulate filter of monitoring expression; (c) at least one ashes parameter that ashes are built up in the described diesel particulate filter of monitoring expression; (d) determine when described diesel particulate filter needs regeneration according to described at least one soot parameter; (e) if determine that in step (d) described diesel particulate filter needs regeneration, move described vehicle with regeneration mode so; (f) determine whether that according to described at least one ashes parameter needs are taked action because the ashes in the described diesel particulate filter are built up; And (g) when step (f) is determined to take to move, reversing is by the direction of the exhaust flow of block structure in the described diesel particulate filter.
Embodiment's advantage is for having improved the working life of diesel particulate filter significantly.
Embodiment's advantage is to make to prolong the diesel particulate filter cost minimum in working life.
Description of drawings
Fig. 1 has the vehicle of diesel engine and the schematic representation of a part of vehicle exhaust system;
Fig. 2 is the side view of diesel particulate filter;
Fig. 3 is the sectional view along 3-3 line among Fig. 2;
Fig. 4 is the flow chart that particulate filter monitoring and inversion process are shown;
Fig. 5 is the flow chart that is similar to Fig. 4, and that still illustrate is optional embodiment.
Embodiment
Fig. 1 shows the vehicle 20 with engine compartment 22, and diesel engine 24 is installed in the engine compartment 22.Diesel engine 24 drive speed transmission 26, speed changer 26 is powered vehicle power train 28 subsequently, last driving wheel 30.Controller 32 operatively engages diesel engine 24 and speed changer 26.Controller 32 can be made of one or more independently controllers, and can be combined to form by the various of software and hardware, as known to those skilled in the art.
With reference now to Fig. 1-3, diesel particulate filter 50 is described in further detail.Particulate filter 50 comprises shell (being also referred to as case) 52, and it has the columniform housing 54 that is generally between the outlet taper 58 of the inlet taper 56 that is installed on the upstream extremity and downstream.Installed inside around housing 54 has block structure blocking materials 60, its supporting structure piece 62.Block structure 62 can be wall stream cellular structure, has towards the upstream extremity 64 of the inlet channel of being determined by inlet taper 56 66 with towards the downstream 68 of the outlet passage of being determined by outlet taper 58 70.Part around block structure 62 also can be equipped with support ring 72.That diesel particulate filter 50 can be catalyzing type or the on-catalytic formula.If catalyzing type, so in inlet channel and outlet passage applications catalyst coating equably all.
Diesel particulate filter 50 comprises first mounting flange 74 on the upstream extremity and second mounting flange 76 on the downstream.Mounting flange 74,76 all can be connected in the one the second intervalves 38,40 any one.These flanges 74,76 also are preferably the form that allows diesel particulate filter 50 to remove and reset.Mounting flange 74,76 can be as V-arrangement elbow flange.Because the mounting flange 74,76 that allows diesel particulate filter 50 to remove, reverse and reset and can use the numerous species type is so this only is an example.In addition, but term mounting flange used herein should be interpreted as the many known exhaust fitting that comprises mounting diesel engine particulate filter 50 widely.
Fig. 4 shows the method in 50 working lifes of diesel particulate filter shown in the vent systems 34 of prolongation Fig. 1-3.When diesel engine 24 operations, waste gas 36 flows through oxidative diesel converter 44, diesel particulate filter 50, silencing apparatus 46 from motor 24, enters atmosphere by tailpipe 48.When exhaust flow was crossed vent systems 34, soot and ashes were collected in the block structure 62 of diesel particulate filter 50, and built up along with the past of time.So, need determine when soot and when ashes have been built up the level of moving to taking.Therefore, step 100 monitoring is used for determining one or more parameters of soot accumulation amount, and step 102 monitoring is used for determining one or more parameters of ashes accumulation amount.
Step 104 is built up at (a plurality of) soot and is made comparisons between parameter and (a plurality of) predetermined threshold need to determine whether soot regeneration.If do not need, step 108 is built up at (a plurality of) ashes and is made comparisons between parameter and (a plurality of) predetermined threshold to determine whether that needs are owing to action is taked in the ashes accumulation so.If do not need, continue monitoring so.
At some point, determine to burn soot (that is, filter regeneration) (step 104), stop up to avoid diesel particulate filter 50.Can be based on one or more startup regeneration modes that determine when of Several Factors (parameter).For example, after last time, regenerative process took place, controller 32 can be followed the tracks of motor working time, vehicle mileage or fuel consumption, and started regenerative process after the prearranging quatity of motor working time, vehicle mileage or fuel consumption, depended on the circumstances.Again for example, the pressure drop that controller 32 can determine to pass particulate filter 50 by the difference of calculating the measuring pressure between upstream pressure sensor 80 and the downstream pressure sensor 82, startup regenerative process when the pressure drop of passing particulate filter 50 reaches predetermined pressure difference.Perhaps, controller 32 can adopt the soot regeneration algorithm of estimating soot accumulation amount based on certain combination of two or more aforementioned factor or other factors.
When definite particulate filter 50 needs regeneration, step 106 middle controller 32 beginning regenerative processes.Controller 32 starts regenerative process by various known methods.The specific action that controller 32 is taked can be based on the operating conditions and the environmental conditions of motor and vehicle.The temperature of diesel particulate filter 50 rises to is enough to cause that soot burns.Controller 32 continues this process, up to reaching required regeneration amount.This can be based on the algorithm of regenerating as the soot that reaches the predetermined pressure drop of passing particulate filter 50, the recovery time of predetermined length or the soot amount of burning that estimation reaches.
At some point, determine that the ashes accumulation is enough to take action (step 108).People can notice, can estimate because the regeneration of soot takes place frequently more than solving the required everything of ashes accumulation.For example, soot regeneration all can take place when may each fuel tank refueling, and because ashes are built up the action taked just can need when about 200,000 kms of vehicle driving.Even ashes build up need take to move determine can based on as measure that the pressure drop of passing diesel particulate filter 50---especially pressure drop still surpasses predetermined threshold after soot regeneration.Other may determine that the example of factor can be diesel particulate filter and is in equidirectional and reaches certain mileage, the perhaps increase of diesel engine 24 fuel consumptions.Perhaps, can use the combination of two or three these factors or other factors to make this determines.Material elements that uses and threshold value can be according to concrete vehicle, motor and the vent systems of this method of application.
Need take action if ashes are built up, step 110 provides the indication that diesel particulate filter need reverse or replace so.This indication can be the lamp 33 that throws light on as on the illumination instrument panel (not shown), perhaps is sent to the wireless data transmission of the computer network (not shown) that can transfer this demand of operator by telegram.Certainly, if desired, also can use other type can notify vehicle operators ashes to be built up the indicator take the demand of moving.
By the wall stream cellular structure of block structure 62 in the filter 50, the ashes of accumulation often accumulate near the upstream extremity 64 of block structure 62.Therefore, reversing whole filter 50 (or only inverted structure piece 62) can make block structure 62 have the part (originally being that end of upstream) that maximum ashes build up to be positioned on the downstream of export-oriented passage 70.This will allow to blow out when block structure 62 enters outlet passage 70 when exhaust flow 36 ashes of accumulation.As mentioned above, first and second mounting flanges 74,76 all can be connected to first intervalve 38 or second intervalve 40, and allow removing and resetting of diesel particulate filter 50.
Therefore, step 112 is made and need to be determined whether reversing.If do not need to reverse filter 50, step 116 is replaced diesel particulate filter 50 so.Reverse filter 50 if desired, in step 114, it is removed from vent systems 34 so, reversing (that is, rotating 180 ° from its inceptive direction) is reinstalled in the vent systems 34 then.Can reset controller 32 then, and start this process once more.
The reason of displacement rather than reversing filter 50 can be for example to reverse at least once before, and for particular vehicle, motor and combination of filters, does not wish again with its reversing additional times.Other reason can be that for example particulate filter 50 has stopped up, and just has not been full of ashes.The fully loaded expression of filter 50 to ashes build up be this when taking some actions---motor and vent systems still can be moved, but efficient some decline a little.Stopping up expression filter 50 can't rerun---and in this case, motor and vent systems operation conditions very severe perhaps can't be moved at all.Certainly, because usually the cost of reversing is markedly inferior to the cost of displacement, so preferably reverse filter 50.
Fig. 5 shows the optional method that is similar to Fig. 4.In this embodiment, with step similar among Fig. 4 also mark similarly, but use the numeral of 200 series.This method will be handled ashes process of building up and the process of handling the soot accumulation in fact and separate.Because soot regeneration takes place relatively frequently, and ashes accumulate in only needs one or twice of whole vehicle life period, so may need this separating process.
(a plurality of) parameter that step 202 monitoring ashes are built up.Between (a plurality of) ashes accumulation parameter and (a plurality of) predetermined threshold, make comparisons in the step 208 and need take action because ashes are built up to determine whether.If do not need, continue monitoring so.Need take action if ashes are built up, step 210 provides the indication that diesel particulate filter need reverse or replace so.Step 212 is made determining of whether wishing to reverse.If do not wish to reverse filter 50, step 216 is replaced filter 50 so.If wish reversing filter 50, in the step 214 filter 50 is removed from vent systems 34 so, air inlet system and exhaust system 34 are reinstalled in reversing (that is, rotating 180 ° from its inceptive direction) then.
For said process, may exist optional mode to finish some step.For example, this process comprise by reverse fully loaded ashes diesel particulate filter 50 but reinstall the into maintenance technology of other vehicle.As another possibility, before can being included in and reinstalling, this process removes ashes.As a possibility again, this process can comprise and removes diesel particulate filter 50, opens shell 52, in removing block structure 62 and reinstalling into shell 52 along reverses direction, then shell 52 is reinstalled in the air inlet system and exhaust system 34 along equidirectional.Perhaps, as other possibility, but shell 52 can keep being connected with vent systems 34 be opened, and removes block structure 62, and reversing is also inserted again, and then closed casing 52.
Although described specific embodiments of the invention in detail, those skilled in the art in the invention will appreciate that the realization that is defined by the following claims various optional designs of the present invention and mode of execution.
Claims (20)
1. vent systems that is used to have the vehicle of diesel engine comprises:
Diesel particulate filter has first end and second opposed end;
First manages, and is positioned at the upstream of described diesel particulate filter, is used for waste gas is imported described diesel particulate filter;
Second manages, and is positioned at the downstream of described diesel particulate filter, is used to receive the waste gas from described diesel particulate filter;
First mounting flange is installed on first end of described diesel particulate filter, can be installed in described first the pipe or described second pipe on, and be installed in described first the pipe and described second pipe in one on; And
Second mounting flange is installed on second end of described diesel particulate filter, can be installed in described first the pipe or described second pipe on, and be installed in described first the pipe and described second pipe in another on.
2. vent systems as claimed in claim 1, wherein said diesel particulate filter comprise the block structure with wall stream cellular structure.
3. vent systems as claimed in claim 1 comprises the oxidative diesel converter of the upstream extremity that is connected to described first pipe.
4. vent systems as claimed in claim 1 comprises the silencing apparatus of the downstream that is connected to described second pipe.
5. vent systems as claimed in claim 1, wherein said diesel particulate filter comprises the shell with inlet channel and installs in the described shell and the block structure with first end and second opposed end that described block structure is optionally along making described first end face to the first direction of described inlet channel with along described second end face is installed in the described shell to the second direction of described inlet channel.
6. vent systems as claimed in claim 1, comprise controller, be positioned near described first pipe and can operate with the upstream pressure sensor of measuring waste gas middle and upper reaches pressure and be positioned near described second pipe and can operate to measure the downstream pressure sensor of waste gas middle and lower reaches pressure, described upstream pressure sensor is communicated by letter with controller with downstream pressure sensor.
7. vent systems as claimed in claim 1, wherein said first mounting flange can from described first the pipe and second pipe one remove, and can be reinstalled in described first the pipe and second pipe in another on, and described second mounting flange can from described first the pipe and second pipe this another remove, and can be reinstalled in described first the pipe and second pipe in this on, thereby allow described diesel particulate filter in described vent systems, to reverse.
8. vent systems as claimed in claim 7 comprises and can operate to detect at least one parameter relevant with ashes accumulation in the described diesel particulate filter and can operate to determine whether described diesel particulate filter needs the controller that reverses or replace.
9. vent systems as claimed in claim 1 comprises and can operate to detect at least one parameter relevant with ashes accumulation in the described diesel particulate filter and can operate to determine whether described diesel particulate filter needs the controller that reverses or replace.
10. may the become diesel particulate filter of fully loaded ashes of method, the vent systems that is used for monitoring and safeguard the vehicle with diesel engine, described method comprises the following steps:
(a) at least one parameter that ashes are built up in the described diesel particulate filter of monitoring expression;
(b) determine whether according to described at least one parameter to take action because the ashes in the described diesel filter are built up needs;
(c) indication needs to safeguard described diesel particulate filter when determining to take to move in the step (b); And
(d) when indication in the step (c) needed to safeguard and wishes reversing, reversing was by the exhaust flow direction of block structure in the described diesel particulate filter.
11. method as claimed in claim 10, wherein step (a) is by this at least one parameter, comprise that the vehicle travel mileage comes further to limit at least.
12. method as claimed in claim 10, wherein step (a) comprises at least that by this at least one parameter pressure difference further limits between described diesel particulate filter upstream extremity of detection and the downstream.
13. method as claimed in claim 10, wherein step (d) removes described block structure by the shell from described diesel particulate filter, and reinstalls described block structure along reverses direction and further limit.
14. method as claimed in claim 10, wherein step (d) is by removing described diesel particulate filter from described vent systems, and in opposite direction described diesel particulate filter reinstalled into described vent systems and further limited.
15. method as claimed in claim 10, wherein step (d) was not if further limited by reversing before then wish to reverse by the exhaust flow direction of block structure described in the described diesel particulate filter.
16. method as claimed in claim 10 comprises the following steps: that also (e) needs to safeguard when step (c) indication, and when not wishing to reverse exhaust flow direction by described block structure, replaces the described diesel particulate filter in the described vent systems.
17. method as claimed in claim 10, wherein step (c) comprises that by the indication of needs maintenance the tutorial light of lighting on the vehicle further limits.
18. a method that is used for regenerating and safeguards the vent systems diesel particulate filter of the vehicle with diesel engine, described method comprises:
(a) move described diesel engine and vent systems with normal operation mode;
(b) when moving with normal operation mode, at least one soot parameter that soot is built up in the described diesel particulate filter of monitoring expression;
(c) at least one ashes parameter that ashes are built up in the described diesel particulate filter of monitoring expression;
(d) determine when described diesel particulate filter needs regeneration according to described at least one soot parameter;
(e) if determine that in step (d) described diesel particulate filter needs regeneration, move described vehicle with regeneration mode so;
(f) determine whether that according to described at least one ashes parameter needs are taked action because the ashes in the described diesel particulate filter are built up; And
(g) when step (f) was determined to take to move, reversing was by the direction of the exhaust flow of block structure in the described diesel particulate filter.
19. method as claimed in claim 18, wherein step (g) removes described block structure by the shell from described diesel particulate filter, and reinstalls described block structure along reverses direction and further limit.
20. method as claimed in claim 18, wherein step (g) is by removing described diesel particulate filter from described vent systems, and in opposite direction described diesel particulate filter reinstalled into described vent systems and further limited.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/424,326 US20070289293A1 (en) | 2006-06-15 | 2006-06-15 | Diesel Exhaust System Reversible Particulate Filter |
| US11/424326 | 2006-06-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101089374A true CN101089374A (en) | 2007-12-19 |
| CN100582450C CN100582450C (en) | 2010-01-20 |
Family
ID=38859559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710110364A Expired - Fee Related CN100582450C (en) | 2006-06-15 | 2007-06-15 | Diesel exhaust system reversible particulate filter |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20070289293A1 (en) |
| CN (1) | CN100582450C (en) |
| DE (1) | DE102007026933A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101526023A (en) * | 2008-03-05 | 2009-09-09 | 通用汽车环球科技运作公司 | Diesel particulate filter extended idle regeneration |
| CN102337953A (en) * | 2010-07-15 | 2012-02-01 | 通用汽车环球科技运作有限责任公司 | Method operating a diesel particulate filter |
| US8424293B2 (en) | 2007-07-18 | 2013-04-23 | GM Global Technology Operations LLC | Diesel particulate filter extended idle regeneration |
| CN103573361A (en) * | 2012-08-01 | 2014-02-12 | 通用汽车环球科技运作有限责任公司 | Accumulated ash correction during soot mass estimation in a vehicle exhaust aftertreatment device |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT502367B1 (en) * | 2006-12-07 | 2009-02-15 | Avl List Gmbh | METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE WITH AN EXHAUST GAS CLEANING SYSTEM |
| JP5107822B2 (en) * | 2008-08-11 | 2012-12-26 | 日立建機株式会社 | Exhaust gas purification device |
| US8534056B2 (en) * | 2009-07-27 | 2013-09-17 | International Truck Intellectual Property Company, Llc | Temperature control device |
| WO2011036772A1 (en) * | 2009-09-25 | 2011-03-31 | イビデン株式会社 | Fine particle sensor and exhaust gas purification device |
| JP6197377B2 (en) * | 2013-06-03 | 2017-09-20 | いすゞ自動車株式会社 | Exhaust purification device |
| US10301988B2 (en) * | 2015-04-23 | 2019-05-28 | Cummins Emission Solutions, Inc. | Component performance recovery via inlet and outlet swap |
| CN109838296B (en) * | 2017-11-29 | 2021-09-28 | 上海汽车集团股份有限公司 | Particulate filter regeneration management method and system with driver guidance function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3270986D1 (en) * | 1981-08-11 | 1986-06-12 | Bbc Brown Boveri & Cie | Supercharged internal-combustion engine with a filter for exhaust gas particles |
| US4916897A (en) * | 1988-01-08 | 1990-04-17 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purifying apparatus built-in to a muffler for a diesel engine |
| US6314722B1 (en) * | 1999-10-06 | 2001-11-13 | Matros Technologies, Inc. | Method and apparatus for emission control |
| US6233926B1 (en) * | 2000-03-01 | 2001-05-22 | Illinois Valley Holding Company | Apparatus and method for filtering particulate in an exhaust trap |
| US6568178B2 (en) * | 2000-03-28 | 2003-05-27 | Toyota Jidosha Kabushiki Kaisha | Device for purifying the exhaust gas of an internal combustion engine |
| JP2003129827A (en) * | 2001-10-25 | 2003-05-08 | Komatsu Ltd | How to handle diesel particulate filters |
-
2006
- 2006-06-15 US US11/424,326 patent/US20070289293A1/en not_active Abandoned
-
2007
- 2007-06-12 DE DE102007026933A patent/DE102007026933A1/en not_active Withdrawn
- 2007-06-15 CN CN200710110364A patent/CN100582450C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8424293B2 (en) | 2007-07-18 | 2013-04-23 | GM Global Technology Operations LLC | Diesel particulate filter extended idle regeneration |
| CN101526023A (en) * | 2008-03-05 | 2009-09-09 | 通用汽车环球科技运作公司 | Diesel particulate filter extended idle regeneration |
| CN102337953A (en) * | 2010-07-15 | 2012-02-01 | 通用汽车环球科技运作有限责任公司 | Method operating a diesel particulate filter |
| CN102337953B (en) * | 2010-07-15 | 2015-04-01 | 通用汽车环球科技运作有限责任公司 | Method operating a diesel particulate filter |
| US9181840B2 (en) | 2010-07-15 | 2015-11-10 | GM Global Technology Operations LLC | Method to operate a diesel particulate filter |
| CN103573361A (en) * | 2012-08-01 | 2014-02-12 | 通用汽车环球科技运作有限责任公司 | Accumulated ash correction during soot mass estimation in a vehicle exhaust aftertreatment device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100582450C (en) | 2010-01-20 |
| US20070289293A1 (en) | 2007-12-20 |
| DE102007026933A1 (en) | 2008-01-31 |
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