Pilot injection control system

Details Pilot injection control system Pilot injection control system

1994-08-26

1996-01-09

Nelli, Raymond A.

Internal-combustion engines

Combustion chamber means having fuel injection only

Using multiple injectors or injections

F02B 300

Patent

active

054820162

ABSTRACT:
A pilot injection control system for an internal combustion engine comprises a plurality of fuel injection nozzles, the valve-opening pressure of one of which (the reference nozzle) is set slightly higher than that of the other nozzles, means for detecting the pilot injection of the reference nozzle, and means for feedback controlling the pilot injection quantity of the reference nozzle based on the detected pilot injection. The system is able to effectively control the pilot injection of all nozzles by actually controlling the pilot injection of only one nozzle and can therefore be implemented at low cost.

REFERENCES:
patent: 5078107 (1992-01-01), Morikawa
patent: 5090379 (1992-02-01), Ito
patent: 5140959 (1992-08-01), Durbin
patent: 5199398 (1993-04-01), Nylund
patent: 5231962 (1993-08-01), Osuka et al.
patent: 5261366 (1993-11-01), Reguerio

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