US20140360161A1 - Forced air circulation for an aftertreatment module - Google Patents

Forced air circulation for an aftertreatment module Download PDF

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Publication number
US20140360161A1
US20140360161A1 US14/284,069 US201414284069A US2014360161A1 US 20140360161 A1 US20140360161 A1 US 20140360161A1 US 201414284069 A US201414284069 A US 201414284069A US 2014360161 A1 US2014360161 A1 US 2014360161A1
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US
United States
Prior art keywords
duct
forced air
component
aftertreatment module
source
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.)
Abandoned
Application number
US14/284,069
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English (en)
Inventor
Rajesh Arani
Mohamed Ibrahim Sabibullah
Venkatraman Podiyanagaswamy
Guillaume Bourgoin
Jeffery Mohamed Othman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Caterpillar Global Mining Expanded Products Pty Ltd
Original Assignee
Caterpillar Global Mining Expanded Products Pty Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Caterpillar Global Mining Expanded Products Pty Ltd filed Critical Caterpillar Global Mining Expanded Products Pty Ltd
Assigned to CATERPILLAR GLOBAL MINING EXPANDED PRODUCTS PTY LTD reassignment CATERPILLAR GLOBAL MINING EXPANDED PRODUCTS PTY LTD ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ARANI, RAJESH, OTHMAN, JEFFERY MOHAMED, PODIYANAGASWAMY, VENKATRAMAN, SABIBULLAH, MOHAMED IBRAHIM, BOURGOIN, GUILLAUME
Publication of US20140360161A1 publication Critical patent/US20140360161A1/en
Abandoned legal-status Critical Current

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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
    • F01N3/08—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
    • F01N3/2066—Selective catalytic reduction [SCR]
    • 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
    • F01N3/2046—Periodically cooling catalytic reactors
    • 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
    • F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
    • F01N2260/02—Exhaust treating devices having provisions not otherwise provided for for cooling the device
    • F01N2260/022—Exhaust treating devices having provisions not otherwise provided for for cooling the device using air
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/11—Adding substances to exhaust gases the substance or part of the dosing system being cooled
    • 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

Definitions

  • the present disclosure relates to a cooling system, and more particularly to a system and method for cooling of an aftertreatment module located within an enclosure of a machine.
  • An aftertreatment module is installed on a variety of machines for meeting emission standard requirements. During operation, the aftertreatment module has a tendency to generate large amounts of heat energy. Moreover, the heat generated by the aftertreatment module may lead to an overall increase in temperature within an enclosure of the machine in which the aftertreatment module is housed. Further, some components of the aftertreatment module, such as, for example, a diesel exhaust fluid (DEF) injector and electronic circuitry associated with the aftertreatment module which are present within the enclosure may undergo further heating due to their continuous and prolonged operation. These components may need to be maintained below a specific temperature for proper functioning. Accordingly, a cooling system may be provided in association with the aftertreatment module.
  • DEF diesel exhaust fluid
  • U.S. Published Application 2008/0142285 relates to a system for providing an airflow to an enclosure associated with a power source.
  • the system includes a power source enclosure configured to substantially enclose a power source and a cooling package located external to the power source enclosure, including an airflow provider configured to produce an airflow through the cooling package.
  • the system further includes an airflow redirector, configured to receive a portion of the airflow produced by the airflow provider and redirect the portion of the airflow to the power source enclosure.
  • the overall machine footprint must be kept within a certain envelope to fit the machine in narrow mine shafts. This in turn affects the relative size of the aftertreatment enclosure which is severely compact and often slightly larger than the aftertreatment module provided therein.
  • the close proximity and high heat generated in such a confined space with little or no means to expel the heat can easily cause component failure, loss of engine performance and limited life of the engine, aftertreatment module and components in proximity thereof.
  • a cooling system for an aftertreatment module mounted within an enclosure includes a source of forced air in fluid communication with the enclosure. At least one duct is provided in conjunction with the source of forced air. The at least one duct is configured to direct at least a portion of the forced air from the source of forced air towards a first component of the aftertreatment module. A remaining portion of the forced air that was not directed towards to the first component is directed towards a second component of the aftertreatment module.
  • a method for cooling an aftertreatment module mounted within an enclosure provides a source of forced air in fluid communication with the enclosure.
  • the method provides at least one duct in conjunction with the source of forced air.
  • the method directs at least a portion of the forced air from the source of forced air towards a first component of the aftertreatment module.
  • the method directs a remaining portion of the forced air that was not directed towards to the first component, towards a second component of the aftertreatment module.
  • a machine in yet another aspect, includes a power source and a frame.
  • An aftertreatment module is mounted within an enclosure located on the frame.
  • a cooling system for the aftertreatment module is provided.
  • the cooling system includes a source of forced air in fluid communication with the enclosure.
  • At least one duct is provided in conjunction with the source of forced air.
  • the at least one duct is configured to direct at least a portion of the forced air from the source of forced air towards a first component of the aftertreatment module. A remaining portion of the forced air that was not directed towards to the first component is directed towards a second component of the aftertreatment module.
  • FIG. 1 is a perspective view of an exemplary machine including an aftertreatment module, according to one aspect of the present disclosure
  • FIG. 2 is a perspective view of a cooling system for the aftertreatment module having a fan housing and a fan;
  • FIG. 3 is a cross sectional view through the center of the fan housing to illustrate a first duct and a second duct with an impeller unit partially removed;
  • FIG. 4 is a perspective view of a second component of the aftertreatment module.
  • FIG. 5 is a flowchart of a method for cooling of the aftertreatment module.
  • FIG. 1 represents an exemplary machine 100 , according to one embodiment of the present disclosure. More specifically, as shown in the illustrated embodiment, the machine 100 may embody an underground wheel loader. It should be understood that the machine 100 may alternatively include other mining, transportation, forestry or any other industrial, agricultural or construction machinery or electric power generation equipment.
  • the machine 100 may include a chassis and/or a frame 102 .
  • a powertrain or a drivetrain (not shown) may be provided on the machine 100 for the production and transmission of motive power.
  • the powertrain may include a power source (not shown) and may be located within an enclosure 104 of the machine 100 .
  • the power source may include one or more engines, power plants or other power delivery systems like batteries, hybrid engines, and the like. It should be noted that the power source could also be external to the machine 100 .
  • a set of ground engaging members 106 such as wheels, may also be provided on the machine 100 for the purpose of mobility.
  • the powertrain may further include a torque converter, transmission inclusive of gearing, drive shaft and other known drive links provided between the power source and the set of ground engaging members 106 for the transmission of motive power.
  • the machine 100 may include an operator cabin 108 which may house various controls for operating the machine 100 .
  • the machine 100 may have a linkage assembly 110 attached to the frame 102 .
  • the linkage assembly 110 may include a lift arm 112 .
  • An implement such as a bucket 114 , may be pivotally coupled to the lift arm 112 .
  • the linkage assembly 110 and the implement of the machine 100 may vary based on the type of machine 100 , the type of operation or task required to be carried out by the machine 100 .
  • the machine 100 may include an air induction system (not shown) and an exhaust system (not shown).
  • the air induction system may be configured to direct air or an air/fuel mixture into the power source for subsequent combustion.
  • the exhaust system may treat and discharge byproducts of the combustion process to the atmosphere as is customary.
  • the exhaust system (not shown) may include an aftertreatment module 118 connected to receive and treat exhaust from the power source.
  • the aftertreatment module 118 may treat, condition, and/or otherwise reduce constituents of the exhaust before the exhaust is discharged to the atmosphere.
  • the aftertreatment module 118 may be located within the enclosure 104 and may be provided on a side surface of the frame 102 of the machine 100 .
  • a hooded structure 120 may be mounted atop the enclosure 104 or may even be integrated into a top wall of the enclosure 104 .
  • the hooded structure 120 has a raised and generally horizontally oriented top surface 121 which deflects falling dirt, debris and water away from components of the aftertreatment module 118 present beneath the hooded structure 120 .
  • the aftertreatment module 118 may include one or more components such as, for example, a diesel oxidation catalyst (DOC) chamber, a diesel exhaust fluid (DEF) injector, a selective catalyst reduction (SCR) device and other electronic circuitry associated with aftertreatment module.
  • DOC diesel oxidation catalyst
  • DEF diesel exhaust fluid
  • SCR selective catalyst reduction
  • the cooling system includes a source of forced air mounted proximate to the aftertreatment module 118 .
  • the source of forced air may include a fan 202 . More specifically, the fan 202 may be mounted on a fan housing 204 positioned on at least one side of the aftertreatment module 118 .
  • the fan housing 204 may include a manifold 205 that closely overlays an impeller unit 207 of the fan 202 in order to generate significant cooling flow in the manifold 205 and direct the same towards the relatively high sources of heat within the aftertreatment module 118 .
  • the fan 202 may be mounted in proximity to a source of cool ambient air.
  • a plurality of vents or openings may be provided on the frame 102 of the machine 100 and in close proximity to the wheels and the hooded structure 120 in order to source the cool ambient air to the fan 202 present within the hooded structure 120 .
  • the impeller unit 207 may be mounted in a substantially vertical plane in order to force air across the aftertreatment module 118 in a generally horizontal plane.
  • a support structure in the form of a frame 206 may be provided in order to securely hold the fan 202 in position.
  • the impeller unit 207 of the fan 202 may be positioned in such a manner that the frame 206 is mounted onto a side wall of the enclosure 104 such that the impeller unit 207 of the fan 202 may lie outside of the enclosure 104 , while the fan housing 204 may extend inwardly of the enclosure 104 .
  • the frame 206 may include a number of support arms or other structural members.
  • the fan 202 may be configured to draw in air from the atmosphere into the fan housing 204 .
  • the fan 202 may be mechanically, hydraulically or electrically driven.
  • the cooling system may further include a first duct 208 and a second duct 210 provided in association with the fan 202 and within the fan housing 204 .
  • the first duct 208 may be configured to direct at least a portion of the forced air from the fan 202 towards a first component 212 of the aftertreatment module 118 .
  • the first component 212 includes electronic circuitry 214 mounted atop a diesel oxidation catalyst (DOC) and diesel particulate filter (DPF) system 216 .
  • DOC diesel oxidation catalyst
  • DPF diesel particulate filter
  • the first duct 208 may be provided in the form of slots 218 within the manifold 205 of the fan housing 204 .
  • the first duct 208 comprises a pair of the slots 218 formed in the manifold 205 of the fan housing 204 such that the slots 218 are in a spaced apart arrangement from each other.
  • the slots 218 may have a substantially horizontal orientation and may be placed substantially parallel relative to each other. It should be noted that the slots 218 may be positioned and oriented relative to the location of the fan 202 and the placement of the electronic circuitry 214 .
  • the pair of slots 218 may be configured to direct the forced air towards the electronic circuitry 214 positioned within the hooded structure 120 .
  • Arrows shown in FIG. 2 are indicative of a direction of the forced air in the system.
  • the construction and design of the first duct 208 described herein is exemplary and does not limit the scope of the present disclosure.
  • the first duct 208 may additionally include a hollow tube or pipe (not shown in figures) extending from the slots 218 , the tube containing perforations in order to allow forced air into and out of the tube.
  • the second duct 210 is generally spaced apart from the first duct 208 and may be configured to provide the remaining portion of the forced air from the fan 202 to a second component 220 of the aftertreatment module 118 .
  • the term “remaining portion of the forced air” used herein is that portion of the forced air which is not directed into the first duct 208 .
  • the second duct 210 is also housed in the manifold 205 of the fan 202 , however is substantially downstream of the impeller unit 207 and the first duct 208 . As a result, a relatively greater volume of the forced air from the fan 202 may be directed towards the second component 220 via the second duct 210 .
  • the second component 220 of the aftertreatment module 118 may include a reductant injector or more specifically, a DEF injector 402 which is shown in FIG. 4 .
  • the DEF injector 402 may be subjected to large amounts of heat energy due to its own operation, heat radiating from the aftertreatment module 118 and/or overall rise in temperature within the enclosure 104 .
  • a person of ordinary skill in the art will appreciate that the DEF injector 402 may be subjected to relatively larger amounts of the heat energy as compared to the electronic circuitry 214 , requiring a larger volume of the forced air for cooling purposes.
  • the shape and flow passage area of the second duct 210 is sized larger than that of the slotted passage area provided by the first duct 208 .
  • the first duct 208 may receive a parasitic diversion of the forced air in the manifold 205 .
  • the first duct 208 may accommodate a relatively lesser volume of the forced air as compared to that of the second duct 210 which is located downstream of the impeller unit 207 within the fan housing 204 .
  • the volume of the forced air being directed towards the first and the second components 212 , 220 may be based on the respective flow passage areas of the first and second ducts 208 , 210 .
  • the flow passage area of the first and second ducts 208 , 210 may be so chosen in order to direct 1 ⁇ 3 rd of the forced air generated by the fan 202 towards the electronic circuitry 214 and the remaining 2 ⁇ 3 rd of the forced air to be directed towards the DEF injector 402 .
  • the DEF injector 402 is located at a lower section of the aftertreatment module 118 . Accordingly, in the given embodiment, a tube 224 may be provided in fluid communication with the second duct 210 . As shown in FIG. 2 , the tube 224 has a first end 226 connected to the second duct 210 extending from the manifold 205 and a second end 404 (see FIG. 4 ) aimed directly at the DEF injector 402 . The tube 224 extends diagonally across the DOC and DPF system 216 , towards a rear portion of the aftertreatment module 118 . As shown in FIG. 4 , the second end 404 of the tube 224 may be positioned proximate to the DEF injector 402 .
  • the tube 224 may be configured to direct the remaining forced air towards the DEF injector 402 . Arrows shown in FIG. 2 are indicative of the direction of the forced air.
  • an insulation layer 406 may be provided on the tube 224 in order to prevent transfer of heat between the air flowing within the tube 224 and the surroundings.
  • the insulation layer 406 may be made of any suitable heat resistant insulation material known in the art.
  • FIG. 5 illustrates the method 500 for the cooling of the aftertreatment module 118 .
  • the source of forced air may be provided in fluid communication with the enclosure 104 . More specifically, the fan 202 is provided within the hooded structure 120 and in close proximity with the enclosure 104 housing the aftertreatment module 118 .
  • at least one duct may be provided in fluid communication with the source of forced air.
  • the first duct 208 may be provided in association with the fan 202 .
  • the second duct 210 may be provided in association with the fan 202 .
  • the fan 202 may draw the forced air into the enclosure 104 to cool the aftertreatment module 118 provided therein.
  • at least the portion of the forced air may be directed towards the first component 212 of the aftertreatment module 118 via the first duct 208 .
  • the forced air may be directed into the pair of the slots 218 provided on the fan housing 204 .
  • the forced air may be directed towards the electronic circuitry 214 positioned above the DOC and DPF system 216 .
  • the forced air may be utilized to cool the electronic circuitry 214 .
  • the forced air may then be released from the enclosure 104 through a plurality of openings 122 provided on the hooded structure 120 .
  • the forced air which was not directed towards the first component 212 may be directed towards the second component 220 of the aftertreatment module 118 through the second duct 210 .
  • the forced air may be channelized into the tube 224 extending from the fan housing 204 .
  • the forced air may be released from the second end 404 of the tube 224 and may flow over the relatively heated DEF injector 402 positioned in close proximity to the second end 404 of the tube 224 , thereby cooling the DEF injector 402 .
  • first and second components 212 , 220 of the aftertreatment module 118 described herein include the electronic circuitry 214 and the DEF injector 402 respectively, the disclosure may be utilized in the cooling of any other components of an aftertreatment system without deviating from the scope of the present disclosure. Further, the construction and design of the first and second ducts 208 , 210 may vary based on the system requirements.

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  • 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)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
US14/284,069 2013-06-05 2014-05-21 Forced air circulation for an aftertreatment module Abandoned US20140360161A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN1690DE2013 IN2013DE01690A (de) 2013-06-05 2013-06-05
IN1690/DEL/2013 2013-06-05

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US14/284,069 Abandoned US20140360161A1 (en) 2013-06-05 2014-05-21 Forced air circulation for an aftertreatment module

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AU (1) AU2014202619A1 (de)
IN (1) IN2013DE01690A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9636998B1 (en) 2015-10-29 2017-05-02 Caterpillar Paving Products Inc. Tank enclosure with fan
WO2017168915A1 (ja) * 2016-03-29 2017-10-05 株式会社Kcm 作業機械
WO2019068313A1 (en) 2017-10-03 2019-04-11 Volvo Lastvagnar Ab PROCESS FOR COOLING AT LEAST ONE COMPONENT, SUCH AS A SENSOR, ARRANGED INSIDE A COMPARTMENT OF A VEHICLE EXHAUST GAS POST-TREATMENT SYSTEM

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3820327A (en) * 1972-05-10 1974-06-28 Peugeot & Renault Temperature regulator for a catalytic reactor
US4576617A (en) * 1983-06-16 1986-03-18 Regie Nationale Des Usines Renault Apparatus comprising the combination of filter apparatus and regeneration apparatus and process for regenerating the filter apparatus using the regeneration apparatus
US6192677B1 (en) * 1998-12-07 2001-02-27 Siemens Aktiengesellschaft Apparatus and method for the after-treatment of exhaust gases from an internal combustion engine operating with excess air
US6513323B1 (en) * 1999-04-28 2003-02-04 Siemens Aktiengesellschaft Valve seat device for a metering valve of an exhaust treatment station
US20060222503A1 (en) * 2003-10-10 2006-10-05 Peter Fledersbacher Compressor and turbine wheel for a secondary air feed device
US20070065349A1 (en) * 2003-04-02 2007-03-22 3M Innovative Properties Company Non-classified end cone insulation for catalytic converter
US20090241906A1 (en) * 2008-03-28 2009-10-01 Magneti Marelli Mounting device for an injector in an exhaust system of an internal combustion engine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3820327A (en) * 1972-05-10 1974-06-28 Peugeot & Renault Temperature regulator for a catalytic reactor
US4576617A (en) * 1983-06-16 1986-03-18 Regie Nationale Des Usines Renault Apparatus comprising the combination of filter apparatus and regeneration apparatus and process for regenerating the filter apparatus using the regeneration apparatus
US6192677B1 (en) * 1998-12-07 2001-02-27 Siemens Aktiengesellschaft Apparatus and method for the after-treatment of exhaust gases from an internal combustion engine operating with excess air
US6513323B1 (en) * 1999-04-28 2003-02-04 Siemens Aktiengesellschaft Valve seat device for a metering valve of an exhaust treatment station
US20070065349A1 (en) * 2003-04-02 2007-03-22 3M Innovative Properties Company Non-classified end cone insulation for catalytic converter
US20060222503A1 (en) * 2003-10-10 2006-10-05 Peter Fledersbacher Compressor and turbine wheel for a secondary air feed device
US20090241906A1 (en) * 2008-03-28 2009-10-01 Magneti Marelli Mounting device for an injector in an exhaust system of an internal combustion engine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9636998B1 (en) 2015-10-29 2017-05-02 Caterpillar Paving Products Inc. Tank enclosure with fan
WO2017168915A1 (ja) * 2016-03-29 2017-10-05 株式会社Kcm 作業機械
JP2017180214A (ja) * 2016-03-29 2017-10-05 株式会社Kcm 作業機械
US10422264B2 (en) 2016-03-29 2019-09-24 Kcm Corporation Work machine
WO2019068313A1 (en) 2017-10-03 2019-04-11 Volvo Lastvagnar Ab PROCESS FOR COOLING AT LEAST ONE COMPONENT, SUCH AS A SENSOR, ARRANGED INSIDE A COMPARTMENT OF A VEHICLE EXHAUST GAS POST-TREATMENT SYSTEM

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Publication number Publication date
AU2014202619A1 (en) 2015-01-15
IN2013DE01690A (de) 2015-07-10

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Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ARANI, RAJESH;SABIBULLAH, MOHAMED IBRAHIM;PODIYANAGASWAMY, VENKATRAMAN;AND OTHERS;SIGNING DATES FROM 20130506 TO 20131106;REEL/FRAME:032948/0923

STCB Information on status: application discontinuation

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