Internal-combustion engines – Charge forming device – Heating of combustible mixture
Patent
1983-06-27
1984-07-10
Lazarus, Ronald H.
Internal-combustion engines
Charge forming device
Heating of combustible mixture
123557, 239135, F02M 3100
Patent
active
044586558
ABSTRACT:
A fuel injection nozzle with heated valve for flash boiling of fuel during injection includes a nozzle body of electrical conductive material with a spring biased valve of electrical conductive material operatively positioned in an axial extending fuel passage within the nozzle body so as to control the flow of fuel out through a discharge outlet at one end of the nozzle body. An electrical insulator sleeve encircles and is fixed to the valve intermediate the ends thereof so as to support a coiled electrical heater wire that is connected at one end to the valve adjacent to its tip end and which is connected at its opposite end to an electrical conductor sleeve that is fixed to the insulator sleeve. An electrical brush device is operatively associated with the nozzle body so that one end thereof is in sliding electrical contact with the conductor sleeve while its opposite end is connectable to a source of electrical power whereby an electrical current can be supplied to the heater wire to effect heating of fuel in the fuel passage prior to its discharge from the nozzle.
REFERENCES:
patent: 3361353 (1968-01-01), Millman
patent: 3408007 (1968-10-01), Raichle
patent: 3648669 (1972-03-01), Rank
patent: 3762378 (1973-10-01), Bitonti
Y. K. Kim, N. Iwai, H. Suto, T. Tsuruga, "Improvement of Alcohol Engine Performance by Flash Boiling Injection", SAE Review, No. 2, pp. 81-86, 1980.
Rajshekhar D. Oza and James F. Sinnamon, "An Experimental and Analytical Study of Flash-Boiling Fuel Injection", SAE 839590, 2/28-3/4/1983.
General Motors Corporation
Krein Arthur N.
Lazarus Ronald H.
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