Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1982-05-14
1984-04-03
Myhre, Charles J.
Internal-combustion engines
Charge forming device
Fuel injection system
417462, 417540, 123450, 123458, F02M 4702
Patent
active
044401345
ABSTRACT:
A fuel injection system for an internal combustion engine employing a rotary valve for delivering fuel to fuel injectors in which fuel injection timing is precisely controlled to an optimum range by automatically controlling the rotary valve in response to the number of revolutions of the engine. The system includes a high pressure accumulator connected to a fuel pump and a low pressure accumulator connected to a tank through a variable restrictor valve. The rotary valve functions to selectively connect each injector to the high and low pressure accumulators as it rotates whereby metered amount of fuel can be fed into a plunger chamber of each injector when a piston chamber of the injector is connected to the low pressure accumulator and the fuel can be injected through nozzle orifices when the piston chamber is connected to the high pressure accumulator.
REFERENCES:
patent: 3412718 (1968-11-01), Long
patent: 3592568 (1971-07-01), Fenne
patent: 3810581 (1974-05-01), Rhine
patent: 3891151 (1975-06-01), Showalter
patent: 4184459 (1980-01-01), Ishii et al.
patent: 4325340 (1982-04-01), O'Neill
patent: 4348998 (1982-09-01), Stumpp
patent: 4392791 (1983-07-01), Mandroian
Nakao Kiyoharu
Sato Fumihide
Kabushiki Kaisha Komatsu Seisakusho
Miller Carl Stuart
Myhre Charles J.
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