the substance or part of the dosing system being cooled

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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F01Engines F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES F01N2610/00Adding substances to exhaust gases

Current Industry

F01N2610/11the substance or part of the dosing system being cooled

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Patents Grantslast 30 patents

Information Patent Grant
System for cooling a diesel exhaust fluid
- Patent number 12,152,521
- Issue date Nov 26, 2024
- CNH Industrial America LLC
- Daniel Alan Morey
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Coolant system for an engine
- Patent number 12,000,325
- Issue date Jun 4, 2024
- CNH Industrial America LLC
- Marc Hansen
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Fluid injector, assembly and exhaust line comprising such an injector
- Patent number 11,938,447
- Issue date Mar 26, 2024
- Faurecia Systemes D'Echappement
- Bruno Sertier
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Reductant dosing system with calibration value determined based on...
- Patent number 11,767,782
- Issue date Sep 26, 2023
- Cummins Emission Solutions Inc.
- Vikram Sundararajan
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Exhaust duct for a fossil fuel powered engine comprising a dilution...
- Patent number 11,725,543
- Issue date Aug 15, 2023
- NEM Energy B.V.
- Richard Toonssen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Systems and methods for reductant delivery in aftertreatment system...
- Patent number 11,655,743
- Issue date May 23, 2023
- Cummins Emission Solutions Inc.
- Snehal Shivaji Yesumali
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Vortex generators and virtual mixers for aftertreatment systems
- Patent number 11,624,305
- Issue date Apr 11, 2023
- Cummins Emission Solutions Inc.
- Samuel Johnson
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Reductant injecting device, exhaust gas processing device and exhau...
- Patent number 11,555,433
- Issue date Jan 17, 2023
- NGK Insulators, Ltd.
- Katsumi Saiki
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Selective catalytic reduction catalyst pre-heating and exhaust burn...
- Patent number 11,506,136
- Issue date Nov 22, 2022
- Tenneco Automotive Operating Company Inc.
- Thomas M. Harris
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Aftertreatment system
- Patent number 11,492,946
- Issue date Nov 8, 2022
- Volvo Truck Corporation
- Lennart Andersson
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Holding device for an injection valve of an exhaust-gas burner, and...
- Patent number 11,473,475
- Issue date Oct 18, 2022
- Dr. Ing. h.c. F. Porsche Aktiengesellschaft
- Uli Sofan
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Method for controlling a reflux valve and exhaust system
- Patent number 11,365,664
- Issue date Jun 21, 2022
- Vitesco Technologies GmbH
- Peter Bauer
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Cooling device
- Patent number 11,333,052
- Issue date May 17, 2022
- Denso Corporation
- Junya Iida
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Exhaust gas treatment system to be fitted on a chassis of an automo...
- Patent number 11,319,851
- Issue date May 3, 2022
- Volvo Truck Corporation
- Yasuyoshi Tomita
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Automotive exhaust aftertreatment system with doser
- Patent number 11,319,853
- Issue date May 3, 2022
- Faurecia Emissions Control Technologies, USA, LLC
- Edward C. Kinnaird
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Reductant dosing system for an SCR catalyst
- Patent number 11,261,775
- Issue date Mar 1, 2022
- LIEBHERR-COMPONENTS COLMAR SAS
- Salvatore Collura
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Fuel injection device
- Patent number 11,230,999
- Issue date Jan 25, 2022
- Denso Corporation
- Shoichi Itami
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Exhaust aftertreatment system with thermally controlled reagent doser
- Patent number 11,225,894
- Issue date Jan 18, 2022
- Faurecia Emissions Control Technologies, USA, LLC
- Robin Willats
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Reagent injector
- Patent number 11,174,773
- Issue date Nov 16, 2021
- Tenneco Automotive Operating Company, Inc.
- Mark DeVito
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Exhaust gas flowhood with treatment fluid injector and variable mou...
- Patent number 11,162,401
- Issue date Nov 2, 2021
- Perkins Engines Company Limited
- Richard Pill
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Multiple bank exhaust system comprising reductant supply system arr...
- Patent number 11,149,622
- Issue date Oct 19, 2021
- Scania CV AB
- Anders Gawell
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Systems and methods for controlling a shut-off valve of a dosing co...
- Patent number 11,105,240
- Issue date Aug 31, 2021
- Cummins Emission Solutions Inc.
- Joseph Andrew Hudson
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Cooling device for additive injection valve
- Patent number 10,876,652
- Issue date Dec 29, 2020
- Denso Corporation
- Junya Iida
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Exhaust gas control system for internal combustion engine
- Patent number 10,823,040
- Issue date Nov 3, 2020
- Toyota Jidosha Kabushiki Kaisha
- Shinya Asaura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Heat sink for an injection/metering valve
- Patent number 10,767,530
- Issue date Sep 8, 2020
- Robert Bosch GmbH
- Juergen Hanneke
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Reagent injector
- Patent number 10,767,533
- Issue date Sep 8, 2020
- Tenneco Automotive Operating Company Inc.
- Mark DeVito
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Thermally isolated reductant dosing unit with hermetic seal
- Patent number 10,753,252
- Issue date Aug 25, 2020
- Vitesco Technologies USA, LLC.
- Christopher Michael Caulkins
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Reagent injector
- Patent number 10,683,786
- Issue date Jun 16, 2020
- Tenneco Automotive Operating Company Inc.
- Abhijit P. Upadhye
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Injector assembly for metering a fluid into an exhaust line
- Patent number 10,677,132
- Issue date Jun 9, 2020
- Robert Bosch GmbH
- Franz Thoemmes
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Reagent injector freeze protection
- Patent number 10,655,523
- Issue date May 19, 2020
- Tenneco Automotive Operating Company Inc.
- Abhijit P Upadhye
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
COOLANT SYSTEM FOR AN ENGINE
- Publication number 20240035411
- Publication date Feb 1, 2024
- CNH INDUSTRIAL AMERICA LLC
- Marc Hansen
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
REDUCTANT DOSING SYSTEM WITH CALIBRATION VALUE DETERMINED BASED ON...
- Publication number 20230392533
- Publication date Dec 7, 2023
- Cummins Emission Solutions Inc.
- Vikram Sundararajan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FLUID INJECTOR, ASSEMBLY AND EXHAUST LINE COMPRISING SUCH AN INJECTOR
- Publication number 20230001354
- Publication date Jan 5, 2023
- Faurecia Systemes D'echappement
- Bruno SERTIER
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
EXHAUST AFTER TREATMENT COOLING SYSTEM
- Publication number 20220372903
- Publication date Nov 24, 2022
- AGCO International GmbH
- Ulrich Dietrich
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
DEVICE AND METHOD FOR COOLING AN EXHAUST GAS AFTER TREATMENT APPARATUS
- Publication number 20220154619
- Publication date May 19, 2022
- MAN Truck & Bus SE
- Thomas Martin Heindl
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
HOLDING DEVICE FOR AN INJECTION VALVE OF AN EXHAUST-GAS BURNER, AND...
- Publication number 20220112830
- Publication date Apr 14, 2022
- Dr. Ing. h.c.F. Porsche Aktiengesellschaft
- Uli Sofan
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
AN AFTERTREATMENT SYSTEM
- Publication number 20220010710
- Publication date Jan 13, 2022
- VOLVO TRUCK CORPORATION
- Lennart ANDERSSON
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
AUTOMOTIVE EXHAUST AFTERTREATMENT SYSTEM WITH DOSER
- Publication number 20210301699
- Publication date Sep 30, 2021
- Faurecia Emissions Control Technologies, USA, LLC
- Edward C. Kinnaird
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
VORTEX GENERATORS AND VIRTUAL MIXERS FOR AFTERTREATMENT SYSTEMS
- Publication number 20210270171
- Publication date Sep 2, 2021
- Cummins Emission Solutions Inc.
- Samuel Johnson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
REDUCTANT DOSING SYSTEM WITH CALIBRATION VALUE DETERMINED BASED ON...
- Publication number 20210231040
- Publication date Jul 29, 2021
- Cummins Emission Solutions Inc.
- Vikram Sundararajan
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
METHOD FOR CONTROLLING A REFLUX VALVE AND EXHAUST SYSTEM
- Publication number 20210222598
- Publication date Jul 22, 2021
- Vitesco Technologies GMBH
- Peter Bauer
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
REDUCTANT INJECTING DEVICE, EXHAUST GAS PROCESSING DEVICE AND EXHAU...
- Publication number 20210222599
- Publication date Jul 22, 2021
- NGK Insulators, Ltd.
- Katsumi SAIKI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SYSTEM FOR COOLING A DIESEL EXHAUST FLUID
- Publication number 20210222601
- Publication date Jul 22, 2021
- CNH Industrial America LLC
- Daniel Alan Morey
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Exhaust Gas Flowhood With Treatment Fluid Injector And Variable Mou...
- Publication number 20210010403
- Publication date Jan 14, 2021
- PERKINS ENGINES COMPANY LIMITED
- Richard PILL
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
REAGENT INJECTOR
- Publication number 20200355104
- Publication date Nov 12, 2020
- Tenneco Automotive Operating Company Inc.
- Mark DeVito
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
REAGENT INJECTOR
- Publication number 20200277884
- Publication date Sep 3, 2020
- Tenneco Automotive Operating Company Inc.
- Mark DeVito
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
COOLING DEVICE
- Publication number 20200263579
- Publication date Aug 20, 2020
- DENSO CORPORATION
- Junya IIDA
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
SYSTEMS AND METHODS FOR CONTROLLING A SHUT-OFF VALVE OF A DOSING CO...
- Publication number 20200040790
- Publication date Feb 6, 2020
- Cummins Emission Solutions Inc.
- Joseph Andrew Hudson
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
EXHAUST DUCT FOR A FOSSIL FUEL POWERED ENGINE COMPRISING A DILUTION...
- Publication number 20190345845
- Publication date Nov 14, 2019
- Siemens Aktiengesellschaft
- Richard Toonssen
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
MULTIPLE BANK EXHAUST SYSTEM COMPRISING REDUCTANT SUPPLY SYSTEM ARR...
- Publication number 20190301346
- Publication date Oct 3, 2019
- SCANIA CV AB
- Anders GAWELL
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
HEAT SINK FOR AN INJECTION/METERING VALVE
- Publication number 20190292965
- Publication date Sep 26, 2019
- ROBERT BOSCH GmbH
- Juergen Hanneke
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
COOLING DEVICE FOR ADDITIVE INJECTION VALVE AND COOLING SYSTEM
- Publication number 20190195118
- Publication date Jun 27, 2019
- DENSO CORPORATION
- Junya IIDA
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
EXHAUST GAS PURIFICATION DEVICE FOR SHIP
- Publication number 20180340458
- Publication date Nov 29, 2018
- Yanmar Co., Ltd.
- Ryota KOBAYASHI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
REAGENT INJECTOR
- Publication number 20180328249
- Publication date Nov 15, 2018
- Tenneco Automotive Operating Company Inc.
- Abhijit P. Upadhye
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
REAGENT INJECTOR FREEZE PROTECTION
- Publication number 20180328250
- Publication date Nov 15, 2018
- Tenneco Automotive Operating Company Inc.
- Abhijit P Upadhye
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
INJECTOR ASSEMBLY FOR METERING A FLUID INTO AN EXHAUST LINE
- Publication number 20180320573
- Publication date Nov 8, 2018
- ROBERT BOSCH GmbH
- Franz THOEMMES
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
DEVICE FOR COOLING AND HEATING UREA SOLUTION FOR CONSTRUCTION MACHI...
- Publication number 20180209325
- Publication date Jul 26, 2018
- VOLVO CONSTRUCTION EQUIPMENT AB
- Dong-Myoung CHOI
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
EXHAUST GAS AFTERTREATMENT UNIT AND WORK VEHICLE
- Publication number 20180106176
- Publication date Apr 19, 2018
- Komatsu Ltd.
- Hiroyuki MIZUNO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
HEAT DISSIPATION ELEMENTS FOR REDUCTANT DELIVERY UNIT FOR AUTOMOTIV...
- Publication number 20180058291
- Publication date Mar 1, 2018
- CONTINENTAL AUTOMOTIVE SYSTEMS, INC.
- Stephen C. Bugos
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
EXHAUST GAS CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE
- Publication number 20180003100
- Publication date Jan 4, 2018
- Toyota Jidosha Kabushiki Kaisha
- Shinya ASAURA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

the substance or part of the dosing system being cooled

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

System for cooling a diesel exhaust fluid

Coolant system for an engine

Fluid injector, assembly and exhaust line comprising such an injector

Reductant dosing system with calibration value determined based on...

Exhaust duct for a fossil fuel powered engine comprising a dilution...

Systems and methods for reductant delivery in aftertreatment system...

Vortex generators and virtual mixers for aftertreatment systems

Reductant injecting device, exhaust gas processing device and exhau...

Selective catalytic reduction catalyst pre-heating and exhaust burn...

Aftertreatment system

Holding device for an injection valve of an exhaust-gas burner, and...

Method for controlling a reflux valve and exhaust system

Cooling device

Exhaust gas treatment system to be fitted on a chassis of an automo...

Automotive exhaust aftertreatment system with doser

Reductant dosing system for an SCR catalyst

Fuel injection device

Exhaust aftertreatment system with thermally controlled reagent doser

Reagent injector

Exhaust gas flowhood with treatment fluid injector and variable mou...

Multiple bank exhaust system comprising reductant supply system arr...

Systems and methods for controlling a shut-off valve of a dosing co...

Cooling device for additive injection valve

Exhaust gas control system for internal combustion engine

Heat sink for an injection/metering valve

Reagent injector

Thermally isolated reductant dosing unit with hermetic seal

Reagent injector

Injector assembly for metering a fluid into an exhaust line

Reagent injector freeze protection

Patents Applicationslast 30 patents

COOLANT SYSTEM FOR AN ENGINE

REDUCTANT DOSING SYSTEM WITH CALIBRATION VALUE DETERMINED BASED ON...

FLUID INJECTOR, ASSEMBLY AND EXHAUST LINE COMPRISING SUCH AN INJECTOR

EXHAUST AFTER TREATMENT COOLING SYSTEM

DEVICE AND METHOD FOR COOLING AN EXHAUST GAS AFTER TREATMENT APPARATUS

HOLDING DEVICE FOR AN INJECTION VALVE OF AN EXHAUST-GAS BURNER, AND...

AN AFTERTREATMENT SYSTEM

AUTOMOTIVE EXHAUST AFTERTREATMENT SYSTEM WITH DOSER

VORTEX GENERATORS AND VIRTUAL MIXERS FOR AFTERTREATMENT SYSTEMS

REDUCTANT DOSING SYSTEM WITH CALIBRATION VALUE DETERMINED BASED ON...

METHOD FOR CONTROLLING A REFLUX VALVE AND EXHAUST SYSTEM

REDUCTANT INJECTING DEVICE, EXHAUST GAS PROCESSING DEVICE AND EXHAU...

SYSTEM FOR COOLING A DIESEL EXHAUST FLUID

Exhaust Gas Flowhood With Treatment Fluid Injector And Variable Mou...

REAGENT INJECTOR

REAGENT INJECTOR

COOLING DEVICE

SYSTEMS AND METHODS FOR CONTROLLING A SHUT-OFF VALVE OF A DOSING CO...

EXHAUST DUCT FOR A FOSSIL FUEL POWERED ENGINE COMPRISING A DILUTION...

MULTIPLE BANK EXHAUST SYSTEM COMPRISING REDUCTANT SUPPLY SYSTEM ARR...

HEAT SINK FOR AN INJECTION/METERING VALVE

COOLING DEVICE FOR ADDITIVE INJECTION VALVE AND COOLING SYSTEM

EXHAUST GAS PURIFICATION DEVICE FOR SHIP

REAGENT INJECTOR

REAGENT INJECTOR FREEZE PROTECTION

INJECTOR ASSEMBLY FOR METERING A FLUID INTO AN EXHAUST LINE

DEVICE FOR COOLING AND HEATING UREA SOLUTION FOR CONSTRUCTION MACHI...

EXHAUST GAS AFTERTREATMENT UNIT AND WORK VEHICLE

HEAT DISSIPATION ELEMENTS FOR REDUCTANT DELIVERY UNIT FOR AUTOMOTIV...

EXHAUST GAS CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE