Fuel injection control system

Details Fuel injection control system Fuel injection control system

1990-12-21

1992-05-26

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Auxiliary air or gas used to inject fuel

123DIG11, 239112, F02M 6700

Patent

active

051157861

ABSTRACT:
A fuel injection system including an arrangement for opening the injector valve after the engine has stopped so as to purge the injector of any accumulated fuel. The injection valve may be opened and closed through a number of repeated cycles which assist in the removal of carbon deposits or may be held open for a fixed time period. In addition, if the injector is of the air/fuel type, any compressed air in the chamber can be utilized to purge the fuel and also the opening of the injection valve will preclude the accumulation of air pressure in the system after the engine has been shut down.

REFERENCES:
patent: 4548361 (1985-10-01), Paschke
patent: 4823756 (1989-04-01), Ziejewski et al.
patent: 4846114 (1989-07-01), List
patent: 4892065 (1990-01-01), List

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