High pressure fuel injection unit for engines

Details High pressure fuel injection unit for engines High pressure fuel injection unit for engines

1989-12-27

1991-05-14

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

239 88, 239585, F02M 4702

Patent

active

050146718

ABSTRACT:
An accumulator type of fuel injection nozzle that permits greater control of the desired fuel discharge rate by achieving a triangular form of discharge with lesser amount of fuel being discharged during initial opening of the injection nozzle. This is achieved by selecting the preload of a spring that urges the injection valve to its closed position in accordance with formula set forth herein. The load and speed of the engine is controlled by varying the duty cycle of the injection nozzle and the pressure of the fuel supply to it.

REFERENCES:
patent: 4826080 (1989-05-01), Ganser

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