Diesel engine fuel injection system

Details Diesel engine fuel injection system Diesel engine fuel injection system

1990-03-08

1991-05-07

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

Fuel injection system

123447, 2395339, F02M 4100, F02M 700

Patent

active

050127861

ABSTRACT:
The diesel internal combustion engine fuel injection system includes an accumulator nozzle having its opening pressure close to its closing pressure so as to provide a high turn down ratio without excessive maximum charging pressure. The accumulator nozzle may include a displacement piston which is used to lower the charging pressure by a fixed amount after the injection of fuel into the engine cylinder commences. Alternatively, the accumulator nozzle may include a small moveable piston which serves to raise the closing pressure after the injection of fuel into the engine cylinder commences.

REFERENCES:
patent: 3416506 (1968-12-01), Steiger
patent: 3810453 (1974-05-01), Wolfe
patent: 4036192 (1977-07-01), Nakayama
patent: 4167168 (1979-09-01), Yamamoto
patent: 4403585 (1983-09-01), Ohie
patent: 4437443 (1984-03-01), Hofbauer
patent: 4513719 (1985-04-01), Edo
patent: 4665881 (1987-05-01), Wade
patent: 4830285 (1989-05-01), Tanaka
patent: 4938193 (1990-07-01), Raufeisen
patent: 4957085 (1990-09-01), Sverdlin

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