Cold start strategy and system for gasoline direct injection compression ignition engine

Sellnau, Mark C.; Roth, Gregory T.

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Title: Cold start strategy and system for gasoline direct injection compression ignition engine

Abstract

A method for starting a compression ignition engine having at least one cylinder with a reciprocating piston located therein, an intake valve configured to control the intake of air to an intake port of the cylinder and an exhaust valve configured to control the expulsion of gas from an exhaust port of the cylinder. The method includes the steps of: cranking the engine, conditioning intake air at the intake port of the cylinder to raise the temperature of air in the cylinder, controlling a valve timing the intake valve and/or the exhaust valve to allow the piston to compress the air within the cylinder, thereby increasing the temperature of the air within the cylinder, and injecting fuel into the cylinder when the air within the cylinder has been heated to a temperature sufficient to support compression ignition of a gasoline and air mixture within the cylinder.

Inventors:: Sellnau, Mark C.; Roth, Gregory T.

Issue Date:: Tue Jul 13 00:00:00 EDT 2021

Research Org.:: Delphi Technologies IP Ltd., Auburn Hills, MI (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1840248

Patent Number(s):: 11060497

Application Number:: 15/902,050

Assignee:: Delphi Technologies IP Limited (Auburn Hills, MI)

Patent Classifications (CPCs):: F - MECHANICAL ENGINEERING F01 - MACHINES OR ENGINES IN GENERAL F01L - CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES

F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02B - INTERNAL-COMBUSTION PISTON ENGINES

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F - MECHANICAL ENGINEERING F01 - MACHINES OR ENGINES IN GENERAL F01L - CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
F01L13/08 - for decompression, e.g. during starting

F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02B - INTERNAL-COMBUSTION PISTON ENGINES
F02B29/0412 - {Multiple heat exchangers arranged in parallel or in series}
F02B29/0418 - {the intake air cooler having a bypass or multiple flow paths within the heat exchanger to vary the effective heat transfer surface}
F02B29/0443 - {Layout of the coolant or refrigerant circuit}
F02B3/06 - with compression ignition
F02B37/04 - Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump
F02B39/04 - Mechanical drives
F02B39/12 - Drives characterised by use of couplings or clutches therein

F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02D - CONTROLLING COMBUSTION ENGINES
F02D13/0219 - {by shifting the phase, i.e. the opening periods of the valves are constant}
F02D15/00 - Varying compression ratio
F02D2200/101 - Engine speed
F02D23/00 - Controlling engines characterised by their being supercharged
F02D2700/035 - without modifying the volume of the compression space, e.g. by changing the valve timing
F02D41/0007 - {for control of turbo-charged or super-charged engines
F02D41/064 - {at cold start
F02D41/18 - by measuring intake air flow
F02D41/3035 - {a mode being the premixed charge compression-ignition mode}
F02D9/04 - concerning exhaust conduits

F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02M - SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
F02M26/08 - for engines having two or more intake charge compressors or exhaust gas turbines, e.g. a turbocharger combined with an additional compressor
F02M26/28 - with liquid-cooled heat exchangers
F02M31/13 - Combustion air

F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02N - STARTING OF COMBUSTION ENGINES
F02N19/004 - {Aiding engine start by using decompression means or variable valve actuation}
F02N19/04 - by heating of fluids used in engines
F02N2200/023 - Engine temperature

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
Y02T10/40 - Engine management systems

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DOE Contract Number:: EE0003258

Resource Type:: Patent

Resource Relation:: Patent File Date: 02/22/2018

Country of Publication:: United States

Language:: English

Citation Formats


                    Sellnau, Mark C., and Roth, Gregory T. Cold start strategy and system for gasoline direct injection compression ignition engine.  United States: N. p., 2021. 
        Web.

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                    Sellnau, Mark C., & Roth, Gregory T. Cold start strategy and system for gasoline direct injection compression ignition engine.  United States.

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                    Sellnau, Mark C., and Roth, Gregory T. Tue .  
        "Cold start strategy and system for gasoline direct injection compression ignition engine".  United States.  https://www.osti.gov/servlets/purl/1840248.

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@article{osti_1840248,

  title        = {Cold start strategy and system for gasoline direct injection compression ignition engine},

  author       = {Sellnau, Mark C. and Roth, Gregory T.},

  abstractNote = {A method for starting a compression ignition engine having at least one cylinder with a reciprocating piston located therein, an intake valve configured to control the intake of air to an intake port of the cylinder and an exhaust valve configured to control the expulsion of gas from an exhaust port of the cylinder. The method includes the steps of: cranking the engine, conditioning intake air at the intake port of the cylinder to raise the temperature of air in the cylinder, controlling a valve timing the intake valve and/or the exhaust valve to allow the piston to compress the air within the cylinder, thereby increasing the temperature of the air within the cylinder, and injecting fuel into the cylinder when the air within the cylinder has been heated to a temperature sufficient to support compression ignition of a gasoline and air mixture within the cylinder.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Tue Jul 13 00:00:00 EDT 2021},

  month        = {Tue Jul 13 00:00:00 EDT 2021}

}

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