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Title: Mixed mode fuel injector with individually moveable needle valve members

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. One of the needle valve members moves to an open position while the other needle valve member remains stationary for a homogeneous charge injection event. The former needle valve member stays stationary while the other needle valve member moves to an open position for a conventional injection event. One of the needle valve members is at least partially positioned in the other needle valve member. Thus, the injector can perform homogeneous charge injection events, conventional injection events, or even a mixed mode having both types of injection events in a single engine cycle.

Inventors:
; ; ; ; ; ; ;
Issue Date:
Research Org.:
Caterpillar Inc., Deerfield, IL (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1174966
Patent Number(s):
6769635
Application Number:
10/439,837
Assignee:
Caterpillar Inc (Peoria, IL)
Patent Classifications (CPCs):
F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02M - SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02B - INTERNAL-COMBUSTION PISTON ENGINES
DOE Contract Number:  
FC05-97OR22605
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
33 ADVANCED PROPULSION SYSTEMS

Citation Formats

Stewart, Chris, Chockley, Scott A., Ibrahim, Daniel R., Lawrence, Keith, Tomaseki, Jay, Azam, Junru H., Tian, Steven Ye, and Shafer, Scott F.. Mixed mode fuel injector with individually moveable needle valve members. United States: N. p., 2004. Web.
Stewart, Chris, Chockley, Scott A., Ibrahim, Daniel R., Lawrence, Keith, Tomaseki, Jay, Azam, Junru H., Tian, Steven Ye, & Shafer, Scott F.. Mixed mode fuel injector with individually moveable needle valve members. United States.
Stewart, Chris, Chockley, Scott A., Ibrahim, Daniel R., Lawrence, Keith, Tomaseki, Jay, Azam, Junru H., Tian, Steven Ye, and Shafer, Scott F.. Tue . "Mixed mode fuel injector with individually moveable needle valve members". United States. https://www.osti.gov/servlets/purl/1174966.
@article{osti_1174966,
title = {Mixed mode fuel injector with individually moveable needle valve members},
author = {Stewart, Chris and Chockley, Scott A. and Ibrahim, Daniel R. and Lawrence, Keith and Tomaseki, Jay and Azam, Junru H. and Tian, Steven Ye and Shafer, Scott F.},
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. One of the needle valve members moves to an open position while the other needle valve member remains stationary for a homogeneous charge injection event. The former needle valve member stays stationary while the other needle valve member moves to an open position for a conventional injection event. One of the needle valve members is at least partially positioned in the other needle valve member. Thus, the injector can perform homogeneous charge injection events, conventional injection events, or even a mixed mode having both types of injection events in a single engine cycle.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2004},
month = {8}
}

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