Nozzle insert for mixed mode fuel injector

Lawrence, Keith E

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A - human necessities
A01 - agriculture
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Title: Nozzle insert for mixed mode fuel injector

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Abstract

A fuel injector includes a homogenous charge nozzle outlet set and a conventional nozzle outlet set controlled respectively, by first and second needle valve members. The homogeneous charged nozzle outlet set is defined by a nozzle insert that is attached to an injector body, which defines the conventional nozzle outlet set. The nozzle insert is a one piece metallic component with a large diameter segment separated from a small diameter segment by an annular engagement surface. One of the needle valve members is guided on an outer surface of the nozzle insert, and the nozzle insert has an interference fit attachment to the injector body.

Inventors:

Lawrence, Keith E ^[1]

Peoria, IL

Issue Date:: Tue Nov 21 00:00:00 EST 2006

Research Org.:: Caterpillar Inc., Deerfield, IL (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 908041

Patent Number(s):: 7134615

Application Number:: 10/209,140

Assignee:: Caterpillar Inc (Peoria, IL)

Patent Classifications (CPCs):: F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02B - INTERNAL-COMBUSTION PISTON ENGINES

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 F02B - INTERNAL-COMBUSTION PISTON ENGINES
F02B1/12 - with compression ignition

F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02M - SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
F02M2200/46 - Valves, e.g. injectors, with concentric valve bodies
F02M57/025 - {hydraulic, e.g. with pressure amplification}
F02M61/182 - {Discharge orifices being situated in different transversal planes with respect to valve member direction of movement}
F02M61/1826 - {Discharge orifices having different sizes}

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DOE Contract Number:: FC05-97OR22605

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: 42 ENGINEERING

Citation Formats


                    Lawrence, Keith E. Nozzle insert for mixed mode fuel injector.  United States: N. p., 2006. 
        Web.

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                    Lawrence, Keith E. Nozzle insert for mixed mode fuel injector.  United States.

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                    Lawrence, Keith E. Tue .  
        "Nozzle insert for mixed mode fuel injector".  United States.  https://www.osti.gov/servlets/purl/908041.

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@article{osti_908041,

  title        = {Nozzle insert for mixed mode fuel injector},

  author       = {Lawrence, Keith E},

  abstractNote = {A fuel injector includes a homogenous charge nozzle outlet set and a conventional nozzle outlet set controlled respectively, by first and second needle valve members. The homogeneous charged nozzle outlet set is defined by a nozzle insert that is attached to an injector body, which defines the conventional nozzle outlet set. The nozzle insert is a one piece metallic component with a large diameter segment separated from a small diameter segment by an annular engagement surface. One of the needle valve members is guided on an outer surface of the nozzle insert, and the nozzle insert has an interference fit attachment to the injector body.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Tue Nov 21 00:00:00 EST 2006},

  month        = {Tue Nov 21 00:00:00 EST 2006}

}

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