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Title:
FUEL INJECTION CONTROL DEVICE FOR DIESEL ENGINE
Document Type and Number:
Japanese Patent JPH0960541
Kind Code:
A
Abstract:

To execute proper control of fuel injection even under any operating condition of an engine.

In a fuel induction pump 1, fuel of high pressure is supplied to a multicylinder Diesel engine, and an injection amount of the fuel is adjusted in accordance with a control command to a solenoid spill valve 22 from a CPU42 in an ECU41. In the CPU42, whether or not an engine operating condition is at a high speed and in a light load regionis detided, in the case of deciding a fact of the operating condition, of all the cylinders of the engine, partly a cylinder is set to a recess cylinder, and its fuel inflection is recessed. In the CPU42, relating to an injection cylinder except the recess cylinder, a drive signal of the solenoid spill valve 22, corrected to be increased in accordance with a fuel reducing amount of the recess cylinder, is obtained and the solenoid spill valve 22 is driven by the drive signal.


Inventors:
NISHIMAKI HIROAKI
Application Number:
JP21498595A
Publication Date:
March 04, 1997
Filing Date:
August 23, 1995
Export Citation:
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Assignee:
DENSO CORP
International Classes:
F02D1/02; F02D17/02; F02D41/02; F02D41/04; F02M41/14; (IPC1-7): F02D41/02; F02D1/02; F02D17/02; F02D41/04; F02M41/14
Attorney, Agent or Firm:
Hironobu Onda