using electric components only

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F01N2390/02

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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 F01N2390/00Arrangements for controlling or regulating exhaust apparatus

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F01N2390/02using electric components only

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Three-way catalytic converter preheating control method and system,...
- Patent number 12,000,319
- Issue date Jun 4, 2024
- Zhejiang Geely Holding Group Co., Ltd.
- Junqi Liu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Valve for preventing backflow and valve module
- Patent number 11,965,609
- Issue date Apr 23, 2024
- KAMTEC INC.
- Chang Ho Seo
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
NOx sensor diagnostics in heavy-duty motor vehicle engines
- Patent number 11,879,367
- Issue date Jan 23, 2024
- PACCAR Inc.
- Cynthia Chaffin Webb
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Exhaust gas aftertreatment system and method for exhaust gas aftert...
- Patent number 11,698,009
- Issue date Jul 11, 2023
- Volkswagen Aktiengesellschaft
- Michael Kaack
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Heating device for an exhaust gas purification device having a redu...
- Patent number 11,661,874
- Issue date May 30, 2023
- Faurecia Systemes d'Echappement
- Christophe Basso
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Control apparatus
- Patent number 11,624,308
- Issue date Apr 11, 2023
- Denso Corporation
- Masahiro Yamamoto
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Method and processing unit for ascertaining a catalytic converter s...
- Patent number 11,536,182
- Issue date Dec 27, 2022
- Robert Bosch GmbH
- Maik Unverricht
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Process for testing a plurality of components of an exhaust gas aft...
- Patent number 11,448,155
- Issue date Sep 20, 2022
- Robert Bosch GmbH
- Robert Manfred Zielke
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Exhaust purifying apparatus and method for controlling exhaust puri...
- Patent number 11,441,471
- Issue date Sep 13, 2022
- Toyota Jidosha Kabushiki Kaisha
- Takahiro Sadamitsu
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
System and method for heating a catalyst
- Patent number 11,441,463
- Issue date Sep 13, 2022
- Ford Global Technologies, LLC
- Michael Hopka
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
System and method for detecting release from an injector
- Patent number 11,428,135
- Issue date Aug 30, 2022
- Ford Global Technologies, LLC
- Michiel J. Van Nieuwstadt
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Methods and systems for an engine
- Patent number 11,346,265
- Issue date May 31, 2022
- Ford Global Technologies, LLC
- Xiaogang Zhang
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Exhaust gas purifying device for internal combustion engine
- Patent number 11,293,326
- Issue date Apr 5, 2022
- Toyota Jidosha Kabushiki Kaisha
- Shigemasa Hirooka
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Exhaust tuning system and method
- Patent number 11,261,769
- Issue date Mar 1, 2022
- Ford Global Technologies, LLC
- Sumanth Reddy Dadam
- 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
Control device for internal combustion engine
- Patent number 11,236,655
- Issue date Feb 1, 2022
- Toyota Jidosha Kabushiki Kaisha
- Tomihisa Oda
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Automated diesel exhaust fluid (DEF) system and method
- Patent number 11,215,097
- Issue date Jan 4, 2022
- Chemoil Energy Services LLC
- Brennan Schmidt
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Emissions control during engine cold starts
- Patent number 11,193,438
- Issue date Dec 7, 2021
- Ford Global Technologies, LLC
- Xiaogang Zhang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method for controlling reductant injection for an emission reductio...
- Patent number 11,060,432
- Issue date Jul 13, 2021
- Wartsila Finland Oy
- Timo Alho
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method and system for diagnosing exhaust sensors
- Patent number 11,053,879
- Issue date Jul 6, 2021
- Scania CV AB
- Mikael Lundström
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Method and system for use when correcting supply of an additive to...
- Patent number 10,954,839
- Issue date Mar 23, 2021
- Scania CV AB
- Mikael Lundström
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Dosing module having removable dosing tray
- Patent number 10,890,091
- Issue date Jan 12, 2021
- Cummins Emission Solutions Inc.
- Tony Bowden
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Methods and systems for an engine
- Patent number 10,823,037
- Issue date Nov 3, 2020
- Ford Global Technologies, LLC
- Xiaogang Zhang
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Thermoelectric module for use in a vehicle system
- Patent number 10,746,075
- Issue date Aug 18, 2020
- GM Global Technology Operations LLC
- Su Jung Han
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Injector fluid filter with upper and lower lip seal
- Patent number 10,704,444
- Issue date Jul 7, 2020
- Tenneco Automotive Operating Company Inc.
- Olaf Enke
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Exhaust purification system and catalyst regeneration method
- Patent number 10,690,073
- Issue date Jun 23, 2020
- ISUZU MOTORS LIMITED
- Teruo Nakada
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Catalyst activation method and catalyst activation device
- Patent number 10,352,218
- Issue date Jul 16, 2019
- ISUZU MOTORS LIMITED
- Toshitsugu Wakamatsu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Electronic pressure relief in pumps
- Patent number 10,344,652
- Issue date Jul 9, 2019
- Cummins Emission Solutions Inc.
- Tobias Englert
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Reductant delivery system
- Patent number 10,273,848
- Issue date Apr 30, 2019
- Caterpillar Inc.
- Keith Daniel Hogan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Exhaust device for engine
- Patent number 10,196,969
- Issue date Feb 5, 2019
- Mazda Motor Corporation
- Einosuke Suekuni
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
NOX SENSOR DIAGNOSTICS IN HEAVY-DUTY MOTOR VEHICLE ENGINES
- Publication number 20240209763
- Publication date Jun 27, 2024
- PACCAR Inc
- Cynthia Chaffin WEBB
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
CONTROL APPARATUS
- Publication number 20220220881
- Publication date Jul 14, 2022
- DENSO CORPORATION
- Masahiro YAMAMOTO
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
METHODS AND SYSTEMS FOR AN ENGINE
- Publication number 20220136420
- Publication date May 5, 2022
- FORD GLOBAL TECHNOLOGIES, L.L.C.
- Xiaogang Zhang
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
HEATING DEVICE FOR AN EXHAUST GAS PURIFICATION DEVICE HAVING A REDU...
- Publication number 20220127986
- Publication date Apr 28, 2022
- Faurecia Systemes D'echappement
- Christophe BASSO
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
SYSTEM AND METHOD FOR DETECTING RELEASE FROM AN INJECTOR
- Publication number 20220049636
- Publication date Feb 17, 2022
- FORD GLOBAL TECHNOLOGIES, L.L.C.
- Michiel J. Van Nieuwstadt
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
CATALYTIC CONVERTER OPTIMIZER WITH CONTINUOUS PRE-HEATER
- Publication number 20220042437
- Publication date Feb 10, 2022
- William G. DiSessa
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
NOX SENSOR DIAGNOSTICS IN HEAVY-DUTY MOTOR VEHICLE ENGINES
- Publication number 20220025802
- Publication date Jan 27, 2022
- PACCAR Inc
- Cynthia Chaffin WEBB
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
EXHAUST PURIFYING APPARATUS AND METHOD FOR CONTROLLING EXHAUST PURI...
- Publication number 20210363908
- Publication date Nov 25, 2021
- Toyota Jidosha Kabushiki Kaisha
- Takahiro SADAMITSU
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
METHOD AND PROCESSING UNIT FOR ASCERTAINING A CATALYTIC CONVERTER S...
- Publication number 20210324779
- Publication date Oct 21, 2021
- ROBERT BOSCH GmbH
- Maik Unverricht
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE
- Publication number 20210301697
- Publication date Sep 30, 2021
- Toyota Jidosha Kabushiki Kaisha
- Tomihisa Oda
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
EXHAUST TUNING SYSTEM AND METHOD
- Publication number 20210222595
- Publication date Jul 22, 2021
- FORD GLOBAL TECHNOLOGIES, L.L.C.
- Sumanth Reddy Dadam
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
EXHAUST GAS PURIFYING DEVICE FOR INTERNAL COMBUSTION ENGINE
- Publication number 20210215078
- Publication date Jul 15, 2021
- Toyota Jidosha Kabushiki Kaisha
- Shigemasa HIROOKA
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
PROCESS FOR TESTING A PLURALITY OF COMPONENTS OF AN EXHAUST GAS AFT...
- Publication number 20210040912
- Publication date Feb 11, 2021
- ROBERT BOSCH GmbH
- Robert Manfred Zielke
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
METHOD AND SYSTEM FOR USE WHEN CORRECTING SUPPLY OF AN ADDITIVE TO...
- Publication number 20210033011
- Publication date Feb 4, 2021
- SCANIA CV AB
- Mikael LUNDSTRÖM
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
EXHAUST GAS AFTERTREATMENT SYSTEM AND METHOD FOR EXHAUST GAS AFTERT...
- Publication number 20210025303
- Publication date Jan 28, 2021
- Volkswagen Aktiengesellschaft
- Michael KAACK
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Automated Diesel Exhaust Fluid (DEF) System and Method
- Publication number 20210017890
- Publication date Jan 21, 2021
- Chemoil Corporation
- Brennan Schmidt
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
METHOD AND SYSTEM FOR DIAGNOSING EXHAUST SENSORS
- Publication number 20200386182
- Publication date Dec 10, 2020
- SCANIA CV AB
- Mikael LUNDSTRÖM
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
REDUCTANT DOSING SYSTEM FOR AN SCR CATALYST
- Publication number 20200347765
- Publication date Nov 5, 2020
- Liebherr-Components Colmar SAS
- Salvatore COLLURA
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Injector Fluid Filter With Upper And Lower Lip Seal
- Publication number 20200063624
- Publication date Feb 27, 2020
- Tenneco Automotive Operating Company Inc.
- Olaf ENKE
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
THERMOELECTRIC MODULE FOR USE IN A VEHICLE SYSTEM
- Publication number 20200018214
- Publication date Jan 16, 2020
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Su Jung Han
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
DOSING MODULE HAVING REMOVABLE DOSING TRAY
- Publication number 20190128164
- Publication date May 2, 2019
- Cummins Emission Solutions Inc.
- Tony Bowden
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
METHODS AND SYSTEMS FOR AN ENGINE
- Publication number 20190107030
- Publication date Apr 11, 2019
- FORD GLOBAL TECHNOLOGIES, L.L.C.
- Xiaogang Zhang
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
SYSTEMS AND METHODS FOR IDLE FUEL ECONOMY MODE
- Publication number 20180106179
- Publication date Apr 19, 2018
- Cummins Inc.
- Minming Zhao
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
CATALYST ACTIVATION METHOD AND CATALYST ACTIVATION DEVICE
- Publication number 20180087424
- Publication date Mar 29, 2018
- Isuzu Motors Limited
- Toshitsugu WAKAMATSU
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ELECTRIC VALVE
- Publication number 20180051611
- Publication date Feb 22, 2018
- Hyundai Motor Company
- Daegil HWANG
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
EXHAUST PURIFICATION SYSTEM AND CATALYST REGENERATION METHOD
- Publication number 20180030911
- Publication date Feb 1, 2018
- Isuzu Motors Limited;
- Teruo NAKADA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
METHODS AND SYSTEMS FOR AN ENGINE
- Publication number 20170356325
- Publication date Dec 14, 2017
- FORD GLOBAL TECHNOLOGIES, L.L.C.
- Xiaogang Zhang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SELF-TUNING CIRCUIT FOR CONTROLLING INPUT PRESSURE VALUES FOR AN AF...
- Publication number 20170241314
- Publication date Aug 24, 2017
- Cummins Emission Solutions Inc.
- Nassim Khaled
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
CONTROL OF HYDROCARBON INJECTION RATE IN AN EXHAUST GAS ASSEMBLY
- Publication number 20170211445
- Publication date Jul 27, 2017
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Charles E. Dean
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ONE ACTUATOR WITH TWO OR MORE VALVE-DRIVE
- Publication number 20170191581
- Publication date Jul 6, 2017
- HANON SYSTEMS
- Mirko Brezowsky
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

using electric components only

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Three-way catalytic converter preheating control method and system,...

Valve for preventing backflow and valve module

NOx sensor diagnostics in heavy-duty motor vehicle engines

Exhaust gas aftertreatment system and method for exhaust gas aftert...

Heating device for an exhaust gas purification device having a redu...

Control apparatus

Method and processing unit for ascertaining a catalytic converter s...

Process for testing a plurality of components of an exhaust gas aft...

Exhaust purifying apparatus and method for controlling exhaust puri...

System and method for heating a catalyst

System and method for detecting release from an injector

Methods and systems for an engine

Exhaust gas purifying device for internal combustion engine

Exhaust tuning system and method

Reductant dosing system for an SCR catalyst

Control device for internal combustion engine

Automated diesel exhaust fluid (DEF) system and method

Emissions control during engine cold starts

Method for controlling reductant injection for an emission reductio...

Method and system for diagnosing exhaust sensors

Method and system for use when correcting supply of an additive to...

Dosing module having removable dosing tray

Methods and systems for an engine

Thermoelectric module for use in a vehicle system

Injector fluid filter with upper and lower lip seal

Exhaust purification system and catalyst regeneration method

Catalyst activation method and catalyst activation device

Electronic pressure relief in pumps

Reductant delivery system

Exhaust device for engine

Patents Applicationslast 30 patents

NOX SENSOR DIAGNOSTICS IN HEAVY-DUTY MOTOR VEHICLE ENGINES

CONTROL APPARATUS

METHODS AND SYSTEMS FOR AN ENGINE

HEATING DEVICE FOR AN EXHAUST GAS PURIFICATION DEVICE HAVING A REDU...

SYSTEM AND METHOD FOR DETECTING RELEASE FROM AN INJECTOR

CATALYTIC CONVERTER OPTIMIZER WITH CONTINUOUS PRE-HEATER

NOX SENSOR DIAGNOSTICS IN HEAVY-DUTY MOTOR VEHICLE ENGINES

EXHAUST PURIFYING APPARATUS AND METHOD FOR CONTROLLING EXHAUST PURI...

METHOD AND PROCESSING UNIT FOR ASCERTAINING A CATALYTIC CONVERTER S...

CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

EXHAUST TUNING SYSTEM AND METHOD

EXHAUST GAS PURIFYING DEVICE FOR INTERNAL COMBUSTION ENGINE

PROCESS FOR TESTING A PLURALITY OF COMPONENTS OF AN EXHAUST GAS AFT...

METHOD AND SYSTEM FOR USE WHEN CORRECTING SUPPLY OF AN ADDITIVE TO...

EXHAUST GAS AFTERTREATMENT SYSTEM AND METHOD FOR EXHAUST GAS AFTERT...

Automated Diesel Exhaust Fluid (DEF) System and Method

METHOD AND SYSTEM FOR DIAGNOSING EXHAUST SENSORS

REDUCTANT DOSING SYSTEM FOR AN SCR CATALYST

Injector Fluid Filter With Upper And Lower Lip Seal

THERMOELECTRIC MODULE FOR USE IN A VEHICLE SYSTEM

DOSING MODULE HAVING REMOVABLE DOSING TRAY

METHODS AND SYSTEMS FOR AN ENGINE

SYSTEMS AND METHODS FOR IDLE FUEL ECONOMY MODE

CATALYST ACTIVATION METHOD AND CATALYST ACTIVATION DEVICE

ELECTRIC VALVE

EXHAUST PURIFICATION SYSTEM AND CATALYST REGENERATION METHOD

METHODS AND SYSTEMS FOR AN ENGINE

SELF-TUNING CIRCUIT FOR CONTROLLING INPUT PRESSURE VALUES FOR AN AF...

CONTROL OF HYDROCARBON INJECTION RATE IN AN EXHAUST GAS ASSEMBLY

ONE ACTUATOR WITH TWO OR MORE VALVE-DRIVE