CN102061972A - Exhaust gas aftertreatment device - Google Patents
Exhaust gas aftertreatment device Download PDFInfo
- Publication number
- CN102061972A CN102061972A CN2010105519100A CN201010551910A CN102061972A CN 102061972 A CN102061972 A CN 102061972A CN 2010105519100 A CN2010105519100 A CN 2010105519100A CN 201010551910 A CN201010551910 A CN 201010551910A CN 102061972 A CN102061972 A CN 102061972A
- Authority
- CN
- China
- Prior art keywords
- switch
- controller
- heating element
- aftertreatment device
- exhaust aftertreatment
- 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.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 100
- 238000003745 diagnosis Methods 0.000 claims description 11
- 230000001960 triggered effect Effects 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 2
- 230000006872 improvement Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000004202 carbamide Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002912 waste gas 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
- 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
-
- 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
- F01N2390/00—Arrangements for controlling or regulating exhaust apparatus
- F01N2390/02—Arrangements for controlling or regulating exhaust apparatus using electric components only
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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
- F01N3/027—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 electric or magnetic heating means
-
- 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
- F01N3/202—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using electric or magnetic heating means using microwaves
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention relates to an exhaust gas aftertreatment device (1) of a motor vehicle, said device having a heater (2), which includes a plurality of heating elements (5, 6, 7), and a control unit (9) associated with the heater (2), wherein a common first switch (10) and in each case a second switch (32, 33, 34) are associated with the heating elements (5, 6, 7) and said heating elements (5, 6, 7) are jointly switchable by means of the first switch (10) and individually switchable by means of the second switches (32, 33, 34). The invention thereby provides that said first switch (10) is disposed separately from the control unit (9) and can be actuated by the same.
Description
Technical field
The present invention relates to a kind of automobile exhaust gas after-treatment device, having a heating equipment that a plurality of heating elements are arranged and one attaches troops to a unit in the controller of heating equipment, wherein heating element is attached troops to a unit the first common switch and second switch separately, and can jointly and by means of second switch individually change by means of first switch.
Background technique
The exhaust aftertreatment device that starts described type is known by the prior art background.They usually use in cargo vehicle.Heating equipment can be by means of the main line power supply of first switch transition by one.The single heating element of heating equipment also can be individually by means of attaching troops to a unit respectively in their second switch conversion.First switch and second switch are usually placed in attaches troops to a unit in the controller of heating equipment.Heating equipment heating element in other words that is to say, by the controller power supply, in case the words on first switch and the corresponding second switch closure.When first switch on, heating element just can be connected by means of second switch.For this purpose, first switch with heating equipment is connected respectively with the second switch with single heating element.First switch and second switch all are designed to electric switch.Learn a kind of method of controlling the catalyst converter Electric heating appliance by DE44 22 198A1, this catalyst converter is used for the waste-gas cleaning to the internal-combustion engine of automobile.Be provided with two batteries, two can be connected with Electric heating appliance.Stipulate simultaneously: before connecting heating equipment, make the mutual disconnection of battery, therefore have only one of them battery that Electric heating appliance is powered, and another battery can also be powered to automobile circuit.In the former known exhaust aftertreatment device, disadvantageously: wasted power is arranged respectively on first switch and second switch.Owing to this reason must correspondingly design controller, in this controller, arranged switch usually.High wasted power is especially arranged on first switch, and this is because pass through this switch to heating equipment, just all heating elements power supplies.
Summary of the invention
In contrast to this, the exhaust aftertreatment device with feature of claim 1 has the following advantages: the wasted power that causes in controller is significantly less than to be learnt in the prior art.This reaches by the following according to the present invention: make first switch arrangement become to separate with controller, and can be triggered by it.Controller can be designed to have less boundary dimension in this way, because removed the cooling unit that is used for first switch.Cooling unit for example is a kind of passive and/or cooling unit initiatively, and it especially includes a kind of fan.First switch can be triggered by controller in addition.Especially between the controller and first switch, be provided with a circuit for this purpose.First switch can advantageously be realized by means of a relay electronics or machinery.This relay triggers by controller, has therefore guaranteed to disconnect apace heating equipment, if find heating equipment and/or the out of order words of controller.For this purpose advantageously: first switch is opened on initial position, and just just arrives on the switching position first switch on this position by the corresponding triggering with controller.If first switch is no longer triggered by controller, it advantageously returns its initial position so, therefore heating equipment is disconnected.
A kind of improvement design proposal regulation of the present invention: in controller, be provided with at least one part of second switch, perhaps equally also be arranged to separate with controller and can trigger by it.That is to say to design second switch is arranged on the controller, first switch is then separated.Can be alternative be: second switch or at least its part be arranged to separate with controller and trigger by it.In a kind of such form of implementation of exhaust aftertreatment device, can make the wasted power in the controller continue to reduce.Especially can be for controller design separately power supply, thus controller and heating equipment are powered by separate power supply.Therefore do not flow through controller because flow through the electric current of heating equipment, can design heating equipment by following electric current, such electric current is irrealizable by controller when direct power supply.This equally also means: can do controller littler.This is because the circuit of controller and joint only need to design by little electric current.
A kind of improvement design proposal regulation of the present invention, design has first switch between a positive pole of heating element and DC electrical source.Therefore first switch is designed to so-called high side switch.Promptly by first switch can make heating equipment in other words heating element separate with anodal.This is especially favourable, if short circuit is arranged in heating equipment, this is because can be avoided in this way because the load of the DC electrical source that short circuit causes.
A kind of improvement design proposal regulation of the present invention, the second switch design is between heating element and negative pole or between first switch and heating element.If first kind of situation, second switch is designed to low-side switch so.Its advantage is: for example (transistor or similar) can realize the fairly simple triggering to switch when the applying electronic switch.If opposite, second switch is arranged between first switch and the heating element, and second switch also constitutes high side switch so, that is to say the direct positive pole with DC electrical source of heating element is separated.
A kind of improvement design proposal regulation of the present invention, first switch and/or second switch are relay or electrical assembly.Switch can be designed to arbitrarily on the principle.Yet advantageously: first switch and/or second switch are designed to, especially mechanical, relay or electrical assembly.Electrical assembly for example has a transistor or a similar switch part that can be triggered by controller.
A kind of improvement design proposal regulation of the present invention, second switch first and/or at least at least one part of second portion and/or heating element dispose a diagnosis apparatus.For example can determine the fault of switch and/or heating element by means of diagnosis apparatus.If fault is arranged, can take suitable measure so.For example make first switch opens, make heating equipment disconnect.Yet diagnosis apparatus also can be designed for the on off state of determining first switch and/or second switch, and it is offered controller.For this purpose, diagnosis apparatus and controller couple together from circuit is technical.
A kind of improvement design proposal regulation of the present invention, diagnosis apparatus is connected in controller, perhaps is made of it.Under first kind of situation, diagnosis apparatus for example can be arranged in first switch, second switch, and/or in the position of heating equipment.It is connected in controller, so that exhaust aftertreatment device switch in other words, the feedback of the running state of the single heating element of heating equipment and/or heating equipment are provided.Yet diagnosis apparatus also can be made of controller, is integrated in wherein in other words.In this case, the member that diagnose, first switch just, second switch, heating equipment and/or heating element (difference) dispose a sensor, and its sensor values is analyzed by diagnosis apparatus.
A kind of improvement design proposal regulation of the present invention, controller is designed for, and triggers first switch and be used to disconnect heating element when breaking down.The appearance of fault is for example discerned by means of diagnosis apparatus.Sustain damage for fear of exhaust aftertreatment device, disconnect heating equipment, its method is: make heating element remove activation.Make first switch opens by relative trigger by controller for this reason.First switch advantageously is designed for, and when not taking place by controller the triggering of switch, disconnects heating element.
A kind of improvement design proposal regulation of the present invention, controller is connected in same power supply or a power supply that separates with heating equipment.As previously mentioned, heating equipment is connected in the power supply same with controller, if just first switch arrangement becomes to separate with controller.If the second switch design can make controller be connected in a power supply that separates outside controller so by way of parenthesis.For example can make controller come work in this way, as heating equipment with another kind of power supply voltage.
A kind of improvement design proposal regulation of the present invention is provided with an overvoltage protection between power supply and controller and/or heating element.In order to prevent that controller or heating element are subjected to too high voltage, are provided with overvoltage protection at exhaust aftertreatment device.This device for example can design between anodal and first switch of DC electrical source on the online road technique.Overvoltage protection can be a voltage filter device or as alternative a kind of cut off, it with power supply and controller in other words heating element separate, in case superpotential words occur.Overvoltage is a kind of voltage greater than the maximum voltage of stipulating.
Description of drawings
Below the present invention is described in detail for the embodiment shown in reference to the accompanying drawings, to the present invention without limits.Accompanying drawing is depicted as:
A position of first kind of form of implementation of Fig. 1 exhaust aftertreatment device;
A position of second kind of form of implementation of Fig. 2 exhaust aftertreatment device.
Embodiment
Fig. 1 has represented a position of the exhaust aftertreatment device 1 of a unshowned automobile.Exhaust aftertreatment device 1 for example includes one and has 5 heating elements 3,4,5,6, the heating equipment 2 of 7 and changing valves 8. Heating element 3,4,5,6 and 7 for example are designed to heating wire, heated filament or like, and by means of changing valve 8 can discharge disconnect in other words one unshowned, be used to discharge the coolant circuit of the heat of heating element 3 to 7.Heating equipment 2 is attached troops to a unit in a SCR-system, and wherein it is used to heat at least one circuit, by this circuit a kind of working medium (for example water-urea liquid) is flowed to a catalyst converter (not shown).Usually used water-urea liquid freezes approximately-10 ℃ the time, therefore must be used to melt the fluid state that is used to keep water-urea liquid in other words by means of heating equipment 2 heating lines when low external temperature.Make at least one heating element 3 to 7 wherein heat flow to circuit through coolant circuit.Attach troops to a unit by one for this purpose and trigger in its 9 pairs of heating equipments 2 of controller.
Be provided with first switch 10 in addition, it can be handled by controller 9 by means of an actuator 11.For this purpose, actuator 11 is connected with controller 9 with 13 by circuit 12.Circuit 12 is connected with 15 with circuit 14, latter two link tester cross a switch 16 can with one here a positive pole 17 of unshowned DC electrical source be connected.Switch 16 is used as so-called high side switch, is used for actuator 11, heating element 3 and changing valve 8, and they are connected in switch 16 by circuit 12,15 and 14.By another switch 18 and a circuit 19 heating element 4 is connected with anodal 17.Therefore switch 18 also can be designed to high side switch.By a circuit 13 and a switch 20 actuator 11 is connected with a negative pole 21 of DC electrical source.This equally also is suitable for heating element 3, by a switch 22 and circuit 23 and changing valve 8 by a switch 24 and circuit 25.
Be used as the high side switch of heating element 5,6 and 7 by means of actuator 11 steerable first switches 10.Heating element therefore can be by the closure of switch 10, and this realizes by controller 9 by handling actuator 11, is connected with anodal 17.First switch 10 is connected with 7 by a common circuit 28 and heating element 5,6 for this purpose.Side that deviates from first switch 10 in heating element 4,5 and 7, these heating elements by circuit 29,30 and 31 and second switch 32,33 be connected with 34.These switches are used as the low-side switch of heating element 5,6 and 7, just can set up being connected of a kind of and negative pole 21.
Can recognize: heating element 5,6 and 7 can individually be changed together and by means of second switch 32,33 and 34 by means of first switch 10.In this embodiment, first switch 10 is arranged in outside the controller 9, and is separated in other words, but can also be triggered by controller 9.For this reason, as having represented, design has actuator 11. Second switch 32,33 and 34 is equally also triggered by controller 9, and is opposite with first switch 10 certainly, is arranged in this controller.Obviously, first switch 10 is arranged between heating element 5,6 and 7 and anodal 17, second switch 32,33 and 34 be arranged on heating element 5,6 and 7 and negative pole 21 between.Be designed to mechanical relay at this first switch 10, it is handled or changes by means of actuator 11.Actuator 11 for example can be a kind of magnetic actuator for this reason. Second switch 32,33 and 34 is preferably designed to electrical assembly, for example transistor (or MOSFET) power transistor in other words.Can obviously be reduced in the wasted power of 9 li generations of controller by the disposed outside of first switch 10.Controller 9 and heating equipment 2 are connected in same power supply unit under the described here situation.
Fig. 2 has represented the another kind of form of implementation of exhaust aftertreatment device 1, has wherein just represented portion's section again.Only represented heating element 5,6 and 7 for this form of implementation, they jointly and by means of second switch 32,33 and 34 individually can be changed in other words dividually by means of first switch 10.First switch 10 is handled by controller 9 by means of actuator 11 again.Actuator 11 is connected with controller 9 with 13 through circuits 12 for this reason, and they can be by switch 16 and a positive pole 35 of the unshowned power supply that separates, especially DC electrical source here there, and is connected with a negative pole 36 by switch 20. Opposite heating element 5,6 and 7 power supply in addition by anodal 17 and negative pole 21 realize.Between heating element 5,6 and 7 and anodal 17, not only arranged first switch 10 but also arranged second switch 32,33 and 34 for this reason.No matter be the high side switch that therefore first switch 10 or second switch 32,33 and 34 are designed for heating element 5,6 and 7. Heating element 5,6 and 7 is deviating from the negative pole 21 that is directly connected in DC electrical source in a side of second switch 32,33 and 34.
Shown in form of implementation in, heating equipment 2 is connected in DC electrical source, controller 9 is connected in DC electrical source separately.Therefore heating element 5,6 and 7 for example can be supplied to the operating voltage higher than controller 9.Can be provided with a kind of unshowned protective gear in addition here.This device preferred arrangements is between positive pole 17 and switch 10.Protective gear prevents that too high current pulse from appearring in heating element 5,6 and 7, perhaps overvoltage or voltage pulse, and they all may cause damage.
Claims (10)
1. automobile exhaust gas after-treatment device (1), have and have a plurality of heating elements (5,6,7) heating equipment (2) and attaching troops to a unit in the controller (9) of heating equipment (2), wherein heating element (5,6,7) is attached troops to a unit common first switch (10) and second switch (32 separately, 33,34), and heating element (5,6,7) can be jointly by means of first switch (10), with individually change by means of second switch (32,33,34), it is characterized in that: first switch (10) is arranged to separate with controller (9), and can be triggered by it.
2. by the described exhaust aftertreatment device of claim 1, it is characterized in that, be provided with at least one part of second switch (32,33,34) in controller (9) lining, perhaps also be arranged to separate with controller (9) and can trigger by it.
3. by the described exhaust aftertreatment device of one of aforesaid right requirement, it is characterized in that design has first switch (10) between the positive pole (17) of heating element (5,6,7) and DC electrical source.
4. by the described exhaust aftertreatment device of one of aforesaid right requirement, it is characterized in that second switch (32,33,35) designs between heating element (5,6,7) and negative pole (21), perhaps between first switch (10) and heating element (5,6,7).
5. by the described exhaust aftertreatment device of one of aforesaid right requirement, it is characterized in that first switch (10) and/or second switch (32,33,34) are relay or electrical assembly.
6. by the described exhaust aftertreatment device of one of aforesaid right requirement, it is characterized in that at least one part of at least one part of first switch (10) and/or second switch (32,33,34) and/or heating element (5,6,7) is attached troops to a unit diagnosis apparatus is arranged.
7. by the described exhaust aftertreatment device of one of aforesaid right requirement, it is characterized in that diagnosis apparatus is connected on the controller (9), perhaps is made of it.
8. by the described exhaust aftertreatment device of one of aforesaid right requirement, it is characterized in that controller (9) is designed for, when breaking down, trigger first switch (10) and be used to disconnect heating element (5,6,7).
9. by the described exhaust aftertreatment device of one of aforesaid right requirement, it is characterized in that, on the power supply that controller (9) is connected in and heating equipment (2) is same, on the power supply that perhaps separates.
10. by the described exhaust aftertreatment device of one of aforesaid right requirement, it is characterized in that, between power supply and controller (9) and/or heating element (5,6,7), be provided with overvoltage protection.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009046769A DE102009046769A1 (en) | 2009-11-17 | 2009-11-17 | exhaust treatment device |
| DE102009046769.6 | 2009-11-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102061972A true CN102061972A (en) | 2011-05-18 |
| CN102061972B CN102061972B (en) | 2016-04-27 |
Family
ID=43877455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010551910.0A Expired - Fee Related CN102061972B (en) | 2009-11-17 | 2010-11-16 | Exhaust aftertreatment device |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20110113768A1 (en) |
| CN (1) | CN102061972B (en) |
| DE (1) | DE102009046769A1 (en) |
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|---|---|---|---|---|
| CN110080864A (en) * | 2019-06-25 | 2019-08-02 | 潍柴动力股份有限公司 | A kind of post-processing heating system and its fault detection method |
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| WO2013021374A2 (en) | 2011-08-05 | 2013-02-14 | Mitraltech Ltd. | Techniques for percutaneous mitral valve replacement and sealing |
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| CN110141399B (en) | 2015-02-05 | 2021-07-27 | 卡迪尔维尔福股份有限公司 | Prosthetic valve with axially sliding frame |
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| GB201613219D0 (en) | 2016-08-01 | 2016-09-14 | Mitraltech Ltd | Minimally-invasive delivery systems |
| CN109789018B (en) | 2016-08-10 | 2022-04-26 | 卡迪尔维尔福股份有限公司 | Prosthetic valve with coaxial frame |
| US12064347B2 (en) | 2017-08-03 | 2024-08-20 | Cardiovalve Ltd. | Prosthetic heart valve |
| US10888421B2 (en) | 2017-09-19 | 2021-01-12 | Cardiovalve Ltd. | Prosthetic heart valve with pouch |
| US11793633B2 (en) | 2017-08-03 | 2023-10-24 | Cardiovalve Ltd. | Prosthetic heart valve |
| US11246704B2 (en) | 2017-08-03 | 2022-02-15 | Cardiovalve Ltd. | Prosthetic heart valve |
| GB201720803D0 (en) | 2017-12-13 | 2018-01-24 | Mitraltech Ltd | Prosthetic Valve and delivery tool therefor |
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| JPH08326527A (en) * | 1995-06-05 | 1996-12-10 | Nissan Motor Co Ltd | Exhaust emission control device for internal combustion engine |
| DE19533307A1 (en) * | 1995-09-08 | 1997-03-13 | Bayerische Motoren Werke Ag | Rapid heating device for exhaust catalyser of vehicle |
| JPH09158715A (en) * | 1995-12-07 | 1997-06-17 | Toyota Motor Corp | Energization control device of electric heating catalyst |
| US5746053A (en) * | 1995-12-08 | 1998-05-05 | Toyota Jidosha Kabushiki Kaisha | Apparatus for controlling power supplied to an electrically heated catalyst attached to an exhaust gas passage of an internal combustion engine |
| US5819531A (en) * | 1996-02-22 | 1998-10-13 | Honda Giken Kogyo Kabushiki Kaisha | Control device for electrically-heated catalyzers |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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2010
- 2010-11-16 CN CN201010551910.0A patent/CN102061972B/en not_active Expired - Fee Related
- 2010-11-17 US US12/948,283 patent/US20110113768A1/en not_active Abandoned
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| JPH07139337A (en) * | 1993-11-18 | 1995-05-30 | Toyota Autom Loom Works Ltd | Exhaust emission control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080864A (en) * | 2019-06-25 | 2019-08-02 | 潍柴动力股份有限公司 | A kind of post-processing heating system and its fault detection method |
Also Published As
| Publication number | Publication date |
|---|---|
| US20110113768A1 (en) | 2011-05-19 |
| CN102061972B (en) | 2016-04-27 |
| DE102009046769A1 (en) | 2011-05-19 |
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