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Title: Method of combustion for dual fuel engine

Apparatus and a method of introducing a primary fuel, which may be a coal water slurry, and a high combustion auxiliary fuel, which may be a conventional diesel oil, into an internal combustion diesel engine comprises detecting the load conditions of the engine, determining the amount of time prior to the top dead center position of the piston to inject the main fuel into the combustion chamber, and determining the relationship of the timing of the injection of the auxiliary fuel into the combustion chamber to achieve a predetermined specific fuel consumption, a predetermined combustion efficiency, and a predetermined peak cylinder firing pressure. 19 figures.
Inventors:
; ; ; ;
Issue Date:
OSTI Identifier:
5307777
Assignee:
General Electric Co., Erie, PA (United States) NETL; EDB-94-045616
Patent Number(s):
US 5271357; A
Contract Number:
AC21-85MC22181
Resource Relation:
Patent File Date: 24 Jan 1992
Research Org:
General Electric Co
Country of Publication:
United States
Language:
English
Subject:
33 ADVANCED PROPULSION SYSTEMS; 01 COAL, LIGNITE, AND PEAT; 02 PETROLEUM; DIESEL FUELS; COCOMBUSTION; DUAL-FUEL ENGINES; FUEL INJECTION SYSTEMS; DESIGN; FUEL SLURRIES; INTERNAL COMBUSTION ENGINES; COAL; WATER; CARBONACEOUS MATERIALS; CHEMICAL REACTIONS; COMBUSTION; DISPERSIONS; DISTILLATES; ENERGY SOURCES; ENGINES; FOSSIL FUELS; FUEL SYSTEMS; FUELS; GAS OILS; HEAT ENGINES; HYDROGEN COMPOUNDS; LIQUID FUELS; MATERIALS; MIXTURES; OXIDATION; OXYGEN COMPOUNDS; PETROLEUM; PETROLEUM DISTILLATES; PETROLEUM FRACTIONS; PETROLEUM PRODUCTS; SLURRIES; SUSPENSIONS; THERMOCHEMICAL PROCESSES; 330100* - Internal Combustion Engines; 014000 - Coal, Lignite, & Peat- Combustion; 025000 - Petroleum- Combustion