Electromagnetic control injection systems for diesel engines of

Internal-combustion engines – Charge forming device – Fuel injection system

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123467, 123458, 123501, F02M 3900

Patent

active

045453527

ABSTRACT:
Improvements in electromagnetic control injection systems for diesel engines of the pressure-time type where the injection needle is controlled by the discharging then charging of a chamber. Electromagnetic control fuel injection system for diesel engines in which a three-way solenoid valve is placed in the injection holder, the injector needle being controlled during its opening by the pressure drop of the fuel contained in the control space. A disc having a nozzle is used to throttle the passage assuring the pressure drop in the control chamber without throttling the passage during a rise in pressure so that the injector needle begins to move only after the complete movement of the solenoid valve.

REFERENCES:
patent: 3810453 (1974-05-01), Wolfe
patent: 4036192 (1977-07-01), Nakayama
patent: 4161161 (1979-07-01), Bastenhof
patent: 4211202 (1980-07-01), Hafner
patent: 4359032 (1982-11-01), Ohie
patent: 4440132 (1984-04-01), Terada

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