Control device for cylinder injection internal-combustion engine

Details Control device for cylinder injection internal-combustion engine Control device for cylinder injection internal-combustion engine

1997-10-24

1999-09-07

Wolfe, Willis R.

Internal-combustion engines

Combustion chamber means having fuel injection only

Combustible mixture stratification means

123305, 12340627, 12340647, F02B 500

Patent

active

059470771

ABSTRACT:
A control device for a cylinder injection internal-combustion engine detects the deterioration of the combustion efficiency of the engine. The control device is equipped with: a fuel injection valve for directly injecting fuel to each cylinder in the internal-combustion engine; an ignition coil unit for driving a spark plug in each cylinder; an electronic control unit for driving each fuel injection valve and ignition coil unit according to the operational state of the internal-combustion engine; combustion state determining means for determining the combustion state of the internal-combustion engine; and combustion efficiency recovering means for recovering the combustion efficiency of the internal-combustion engine.

REFERENCES:
patent: 4854281 (1989-08-01), Hareyama et al.
patent: 5333583 (1994-08-01), Matsuura
patent: 5483934 (1996-01-01), Stutzenberger

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