Internal-combustion engines – Charge forming device – Diverse fuel supply
Patent
1983-08-24
1987-11-10
Miller, Carl Stuart
Internal-combustion engines
Charge forming device
Diverse fuel supply
123300, F02M 3900
Patent
active
047050101
ABSTRACT:
A high pressure fuel injection system having the capability to inject periodically one or more fuels, stratified before injection into injector in a selected sequence, and in amounts controllable from cycle to cycle. The injection pump (6) operates with a fuel having high self-ignition ability. During consecutive injections the high pressure line (8) is connected to fuel tank (1) of the injection pump. A source of fuel (11) delivers a degraded fuel into nozzle (17) during consecutive injections. Another source of fuel (41), which delivers into injector the kind of fuel used by the injection pump, allows a selected stratification of the two fuels, or the formation of a blend of the two fuels. Each fuel source delivers the respective fuel at controllable pressure and temperature, in controllable amount, and with controllable timing. The fuel injection starts and ends with pilots of the fuel having high self-ignition ability. A pressure intensifier increases the injection pressure while allowing the fuel delivery into nozzle. Diesel engines provided with this injection system can operate with a large variety of fuels.
REFERENCES:
patent: 1365301 (1921-01-01), Brooks
patent: 3308794 (1967-03-01), Bailey
patent: 3749097 (1973-07-01), Grow
patent: 4392466 (1983-07-01), Mowbray
patent: 4471744 (1984-09-01), Holtz
patent: 4481921 (1984-11-01), Tsukahara
patent: 4505244 (1985-03-01), Smith
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