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Title: Method for operating homogeneous charge compression ignition engines using conventional gasoline

Patent ·
OSTI ID:1532090

A method for the operation of homogeneous charge compression ignition engines (HCCI) using gasoline or similar single-stage ignition fuels. Partial fuel stratification (PFS), intake pressure boosting and controlled BDC-intake temperatures, typically in the range of 95° C. to about 125° C., are used to reduce combustion pressure rise rates (PRR), and therefore, the knocking propensity of homogeneous charge compression ignition engines operating on gasoline or similar fuels.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-94AL85000
Assignee:
Sandia Corporation (Albuquerque, NM)
Patent Number(s):
8,689,767
Application Number:
13/230,320
OSTI ID:
1532090
Resource Relation:
Patent File Date: 2011-09-12
Country of Publication:
United States
Language:
English

References (5)

High-Efficiency Internal Combustion Engine and Method for Operating Employing Full-Time Low-Temperature Partially-Premixed Compression Ignition with Low Emissions patent-application August 2013
Controlled auto-ignition lean burn stratified engine by intelligent injection patent December 2002
Multiple combustion mode engine using direct alcohol injection patent December 2008
Fuel mixture stratification as a method for improving homogeneous charge compression ignition engine operation patent October 2006
Combustion Timing Prediction Method for Compression Self-Ignition Internal Combustion Engine, Control Method for Compression Self-Ignition Internal Combustion Engine, and Compression Self-Ignition Internal Combustion Engine System patent-application April 2011