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Title: Extending operating range of a homogeneous charge compression ignition engine via cylinder deactivation

Abstract

An HCCI engine has the ability to operate over a large load range by utilizing a lower cetane distillate diesel fuel to increase ignition delay. This permits more stable operation at high loads by avoidance of premature combustion before top dead center. During low load conditions, a portion of the engines cylinders are deactivated so that the remaining cylinders can operate at a pseudo higher load while the overall engine exhibits behavior typical of a relatively low load.

Inventors:
 [1];  [1];  [2];  [3]
  1. Peoria, IL
  2. Metamora, IL
  3. Chillicothe, IL
Issue Date:
Research Org.:
National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
984327
Patent Number(s):
7377254
Application Number:
11/498,001
Assignee:
Caterpillar Inc. (Peoria, IL)
Patent Classifications (CPCs):
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02T - CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02D - CONTROLLING COMBUSTION ENGINES
DOE Contract Number:  
FC26-05NT42412
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING

Citation Formats

Hergart, Carl-Anders, Hardy, William L, Duffy, Kevin P, and Liechty, Michael P. Extending operating range of a homogeneous charge compression ignition engine via cylinder deactivation. United States: N. p., 2008. Web.
Hergart, Carl-Anders, Hardy, William L, Duffy, Kevin P, & Liechty, Michael P. Extending operating range of a homogeneous charge compression ignition engine via cylinder deactivation. United States.
Hergart, Carl-Anders, Hardy, William L, Duffy, Kevin P, and Liechty, Michael P. Tue . "Extending operating range of a homogeneous charge compression ignition engine via cylinder deactivation". United States. https://www.osti.gov/servlets/purl/984327.
@article{osti_984327,
title = {Extending operating range of a homogeneous charge compression ignition engine via cylinder deactivation},
author = {Hergart, Carl-Anders and Hardy, William L and Duffy, Kevin P and Liechty, Michael P},
abstractNote = {An HCCI engine has the ability to operate over a large load range by utilizing a lower cetane distillate diesel fuel to increase ignition delay. This permits more stable operation at high loads by avoidance of premature combustion before top dead center. During low load conditions, a portion of the engines cylinders are deactivated so that the remaining cylinders can operate at a pseudo higher load while the overall engine exhibits behavior typical of a relatively low load.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2008},
month = {5}
}

Patent:

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