Dna Sequencing

Hetrick, Robert Eugene; Hilbert, Harold Sean; Parsons, Michael Howard; Stockhausen, William Francis

Title: Dna Sequencing

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Abstract

A fuel injection system used in the intake air passageway of an internal combustion engine has a strategy for reducing cold start hydrocarbon emissions. The fuel injector has an actuator which allows the fuel spray pattern to be varied from one which is widely dispersed and atomized to one which is only weakly dispersed. A strategy for varying the spray pattern during the engine warm-up period after cold start is disclosed. The strategy increases evaporation within the passageway so that cold start overfuelling and attendant hydrocarbon emissions are reduced.

Inventors:

Hetrick, Robert Eugene ^[1]; Hilbert, Harold Sean ^[2]; Parsons, Michael Howard ^[3]; Stockhausen, William Francis ^[4]

Dearborn Heights, MI
Canton, MI
Ann Arbor, MI
Northville, MI

Issue Date:: 1997-10-07

Research Org.:: HARVARD UNIVERSITY

OSTI Identifier:: 879263

Patent Number(s):: 5671716

Application Number:: 08/422147

Assignee:: Ford Global Technologies, Inc. (Dearborn, MI)

Patent Classifications (CPCs):: F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02M - SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF

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F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02M - SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
F02M61/18 - Injection nozzles, e.g. having valve seats
F02M57/00 - Fuel-injectors combined or associated with other devices
F02M69/04 - Injectors peculiar thereto
F02M69/047 - {injectors with air chambers, e.g. communicating with atmosphere for aerating the nozzles

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DOE Contract Number:: FG02-88ER60688

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Citation Formats


                    Hetrick, Robert Eugene, Hilbert, Harold Sean, Parsons, Michael Howard, and Stockhausen, William Francis. Dna Sequencing.  United States: N. p., 1997. 
        Web.

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                    Hetrick, Robert Eugene, Hilbert, Harold Sean, Parsons, Michael Howard, & Stockhausen, William Francis. Dna Sequencing.  United States.

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                    Hetrick, Robert Eugene, Hilbert, Harold Sean, Parsons, Michael Howard, and Stockhausen, William Francis. Tue .  
        "Dna Sequencing".  United States.  https://www.osti.gov/servlets/purl/879263.

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@article{osti_879263,

  title        = {Dna Sequencing},

  author       = {Hetrick, Robert Eugene and Hilbert, Harold Sean and Parsons, Michael Howard and Stockhausen, William Francis},

  abstractNote = {A fuel injection system used in the intake air passageway of an internal combustion engine has a strategy for reducing cold start hydrocarbon emissions. The fuel injector has an actuator which allows the fuel spray pattern to be varied from one which is widely dispersed and atomized to one which is only weakly dispersed. A strategy for varying the spray pattern during the engine warm-up period after cold start is disclosed. The strategy increases evaporation within the passageway so that cold start overfuelling and attendant hydrocarbon emissions are reduced.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1997},

  month        = {10}

}

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