Water/fuel mixing system for a diesel engine

Internal-combustion engines – Water and hydrocarbon

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123 25J, F02B47/02

Patent

active

059041218

ABSTRACT:
NOx emissions from diesel engines are reduced by mixing water in the diesel fuel to reduce combustion temperatures. The water is proportionately mixed into the diesel fuel and the mixture is injected into the cylinders. When the engine is not operating, the water separates from the diesel fuel and causes rusting. In accordance with this invention, the mixing of water into the diesel fuel is terminated before the engine is shut off so diesel fuel purges the system of the water/diesel fuel dispersion so that there no longer is water in the diesel fuel supply system by the time the engine is stopped.

REFERENCES:
patent: 4122803 (1978-10-01), Miller
patent: 4279223 (1981-07-01), Csonka et al.
patent: 4351289 (1982-09-01), Renda
patent: 4476817 (1984-10-01), Lindberg
patent: 5245953 (1993-09-01), Shimada et al.
patent: 5535708 (1996-07-01), Valentine
patent: 5542379 (1996-08-01), Kessler

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