Coal-water slurry fuel internal combustion engine and method for

Details Coal-water slurry fuel internal combustion engine and method for Coal-water slurry fuel internal combustion engine and method for

1992-03-12

1992-11-17

Kamen, Noah P.

Internal-combustion engines

Solid fuel

123259, 123270, 123275, F02B 4500

Patent

active

051633850

ABSTRACT:
An internal combustion engine fueled with a coal-water slurry is described. About 90 percent of the coal-water slurry charge utilized in the power cycle of the engine is directly injected into the main combustion chamber where it is ignited by a hot stream of combustion gases discharged from a pilot combustion chamber of a size less than about 10 percent of the total clearance volume of main combustion chamber with the piston at top dead center. The stream of hot combustion gases is provided by injecting less than about 10 percent of the total coal-water slurry charge into the pilot combustion chamber and using a portion of the air from the main combustion chamber that has been heated by the walls defining the pilot combustion chamber as the ignition source for the coal-water slurry injected into the pilot combustion chamber.

REFERENCES:
patent: 4091772 (1978-05-01), Heater et al.
patent: 4124000 (1978-11-01), Genslak
patent: 4300497 (1981-11-01), Webber
patent: 4323039 (1982-04-01), Tsugekawa et al.
patent: 4558664 (1985-12-01), Robben
patent: 4738227 (1988-04-01), Kamo et al.
"Coal-Fueled Diesels: Systems Development", M. H. McMillian et al., Journal of Engineering for Gas Turbines and Power, vol. 111, Jul. 1989, pp. 485-490.
"Coal-Fueled Diesel: Technology Development", Leonard, G. et al., DOE Report DOE/MC/22181-2694, Mar. 1989.

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