Method for operating a spark-ignition, direct-injection internal combustion engine

Narayanaswamy, Kushal; Koch, Calvin K.; Najt, Paul M.; Szekely, Gerald A.; Toner, Joel G.

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A - human necessities
A01 - agriculture
A21 - baking
A22 - butchering
A23 - foods or foodstuffs
A24 - tobacco
A41 - wearing apparel
A42 - headwear
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A44 - haberdashery
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A61 - medical or veterinary science
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A99 - subject matter not otherwise provided for in this section
B - performing operations
B01 - physical or chemical processes or apparatus in general
B02 - crushing, pulverising, or disintegrating
B03 - separation of solid materials using liquids or using pneumatic tables or jigs
B04 - centrifugal apparatus or machines for carrying-out physical or chemical processes
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B62 - land vehicles for travelling otherwise than on rails
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F - mechanical engineering
F01 - machines or engines in general
F02 - combustion engines
F03 - machines or engines for liquids
F04 - positive - displacement machines for liquids
F05 - indexing schemes relating to engines or pumps in various subclasses of classes f01-f04
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Title: Method for operating a spark-ignition, direct-injection internal combustion engine

Abstract

A spark-ignition, direct-injection internal combustion engine is coupled to an exhaust aftertreatment system including a three-way catalytic converter upstream of an NH3-SCR catalyst. A method for operating the engine includes operating the engine in a fuel cutoff mode and coincidentally executing a second fuel injection control scheme upon detecting an engine load that permits operation in the fuel cutoff mode.

Inventors:: Narayanaswamy, Kushal; Koch, Calvin K.; Najt, Paul M.; Szekely, Jr., Gerald A.; Toner, Joel G.

Issue Date:: 2015-06-02

Research Org.:: GM Global Technology Operations LLC, Detroit, MI (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1183446

Patent Number(s):: 9046051

Application Number:: 13/156,655

Assignee:: GM Global Technology Operations LLC (Detroit, MI)

Patent Classifications (CPCs):: F - MECHANICAL ENGINEERING F01 - MACHINES OR ENGINES IN GENERAL F01N - GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL

F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02D - CONTROLLING COMBUSTION ENGINES

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F - MECHANICAL ENGINEERING F01 - MACHINES OR ENGINES IN GENERAL F01N - GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL
F01N13/009 - {having two or more separate purifying devices arranged in series}
F01N2900/1622 - Catalyst reducing agent absorption capacity or consumption amount
F01N3/101 - {Three-way catalysts}
F01N3/2066 - {Selective catalytic reduction [SCR]}

F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02D - CONTROLLING COMBUSTION ENGINES
F02D2200/0802 - Temperature of the exhaust gas treatment apparatus
F02D41/024 - {to increase temperature of the exhaust gas treating apparatus}
F02D41/123 - {the fuel injection being cut-off}
F02D41/126 - {transitional corrections at the end of the cut-off period}
F02D41/3029 - {further comprising a homogeneous charge spark-ignited mode}
F02D41/3076 - {with special conditions for selecting a mode of combustion, e.g. for starting, for diagnosing}
F02D41/402 - {Multiple injections}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02T - CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
Y02T10/12 - Technologies for the improvement of indicated efficiency of a conventional ICE

Show less

DOE Contract Number:: EE0003379

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: 33 ADVANCED PROPULSION SYSTEMS

Citation Formats


                    Narayanaswamy, Kushal, Koch, Calvin K., Najt, Paul M., Szekely, Jr., Gerald A., and Toner, Joel G. Method for operating a spark-ignition, direct-injection internal combustion engine.  United States: N. p., 2015. 
        Web.

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                    Narayanaswamy, Kushal, Koch, Calvin K., Najt, Paul M., Szekely, Jr., Gerald A., & Toner, Joel G. Method for operating a spark-ignition, direct-injection internal combustion engine.  United States.

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                    Narayanaswamy, Kushal, Koch, Calvin K., Najt, Paul M., Szekely, Jr., Gerald A., and Toner, Joel G. Tue .  
        "Method for operating a spark-ignition, direct-injection internal combustion engine".  United States.  https://www.osti.gov/servlets/purl/1183446.

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@article{osti_1183446,

  title        = {Method for operating a spark-ignition, direct-injection internal combustion engine},

  author       = {Narayanaswamy, Kushal and Koch, Calvin K. and Najt, Paul M. and Szekely, Jr., Gerald A. and Toner, Joel G.},

  abstractNote = {A spark-ignition, direct-injection internal combustion engine is coupled to an exhaust aftertreatment system including a three-way catalytic converter upstream of an NH3-SCR catalyst. A method for operating the engine includes operating the engine in a fuel cutoff mode and coincidentally executing a second fuel injection control scheme upon detecting an engine load that permits operation in the fuel cutoff mode.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2015},

  month        = {6}

}

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Similar Records

Title: Method for operating a spark-ignition, direct-injection internal combustion engine

Abstract

Citation Formats

Fuel injection control system for engine patent, March 1998

Direct injection engine fuel injection control apparatus and method patent, May 2001

Method for controlling catalytic converter heat losses during coasting shutoff patent, January 2003

Emission control apparatus of internal combustion engine, and method for retarding deterioration of emission control catalyst patent, December 2004

Catalyst temperature control on an electrically throttled engine patent, January 2007

Method and system for controlling temperatures of exhaust gases emitted from internal combustion engine to facilitate regeneration of a particulate filter patent, December 2008

Method for operating an internal combustion engine patent, September 2009

Vehicle power train control apparatus patent, November 2009

System for assisting in the regeneration of motor vehicle depollution means integrated in an exhaust line of a vehicle diesel engine patent, December 2009

Catalyst system for the reduction of NOx and NH3 emissions patent, January 2010

Fuel injection control device for diesel engine patent, February 2010

Hybrid vehicle and control method thereof patent, June 2011

Exhaust purifying apparatus and exhaust purifying method for internal combustion engine patent, December 2011

Passive ammonia-selective catalytic reduction for NOx control in internal combustion engines patent, February 2013

Technique for production of ammonia on demand in a three way catalyst for a passive selective catalytic reduction system patent, April 2013

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Method for managing ammonia slip patent, August 2014

System and Method for Reducing NOx Emissions patent-application, March 2008

Passive Ammonia-Selective Catalytic Reduction for NOx Control in Internal Combustion Engines patent-application, February 2010

Passive Ammonia-Selective Catalytic Reduction for NOx Control in Internal Combustion Engines patent-application, May 2010

Passive Ammonia-Selective Catalytic Reduction for NOx Control in Internal Combustion Engines patent-application, May 2010

Technique for Production of Ammonia on Demand in a Three Way Catalyst for a Passive Selective Catalytic Reduction System patent-application, July 2010

Fuel Efficient Ammonia Generation Strategy for Lean-Burn Engines Utilizing Passive NH3-SCR for the Control of NOX patent-application, August 2011

Fuel injection control system for engine
patent, March 1998

Direct injection engine fuel injection control apparatus and method
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Method for controlling catalytic converter heat losses during coasting shutoff
patent, January 2003

Emission control apparatus of internal combustion engine, and method for retarding deterioration of emission control catalyst
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Catalyst temperature control on an electrically throttled engine
patent, January 2007

Method and system for controlling temperatures of exhaust gases emitted from internal combustion engine to facilitate regeneration of a particulate filter
patent, December 2008

Method for operating an internal combustion engine
patent, September 2009

Vehicle power train control apparatus
patent, November 2009

System for assisting in the regeneration of motor vehicle depollution means integrated in an exhaust line of a vehicle diesel engine
patent, December 2009

Catalyst system for the reduction of NOx and NH3 emissions
patent, January 2010

Fuel injection control device for diesel engine
patent, February 2010

Hybrid vehicle and control method thereof
patent, June 2011

Exhaust purifying apparatus and exhaust purifying method for internal combustion engine
patent, December 2011

Passive ammonia-selective catalytic reduction for NOx control in internal combustion engines
patent, February 2013

Technique for production of ammonia on demand in a three way catalyst for a passive selective catalytic reduction system
patent, April 2013

Cylinder deactivation to reduce fuel enrichment after fuel cutoff modes
patent, March 2014

Method for managing ammonia slip
patent, August 2014

System and Method for Reducing NOx Emissions
patent-application, March 2008

Passive Ammonia-Selective Catalytic Reduction for NOx Control in Internal Combustion Engines
patent-application, February 2010

Passive Ammonia-Selective Catalytic Reduction for NOx Control in Internal Combustion Engines
patent-application, May 2010

Passive Ammonia-Selective Catalytic Reduction for NOx Control in Internal Combustion Engines
patent-application, May 2010

Technique for Production of Ammonia on Demand in a Three Way Catalyst for a Passive Selective Catalytic Reduction System
patent-application, July 2010

Fuel Efficient Ammonia Generation Strategy for Lean-Burn Engines Utilizing Passive NH3-SCR for the Control of NOX
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