Apparatus and method for controlling fuel injection of direct in

Details Apparatus and method for controlling fuel injection of direct in Apparatus and method for controlling fuel injection of direct in

1997-10-23

1999-11-30

Wolfe, Willis R.

Internal-combustion engines

Combustion chamber means having fuel injection only

Having a particular relationship between injection and...

12317917, F02D 4106

Patent

active

059923733

ABSTRACT:
Discrimination is effected as to which of low-pressure and high-pressure conditions the pressure of fuel to be fed to a fuel injection valve is in. If in the low-pressure condition, the fuel injection pulse widths are corrected by assuming that the fuel pressure is a predetermined reference pressure, since the detection errors of a fuel pressure sensor are large. If in the high-pressure condition, the fuel injection pulse widths are corrected based on an actual fuel pressure detected by the fuel pressure sensor.

REFERENCES:
patent: 4638782 (1987-01-01), Yashuhara et al.
patent: 5598817 (1997-02-01), Igarashi et al.
patent: 5794586 (1998-08-01), Oda et al.
patent: 5806497 (1998-09-01), Hosoya
patent: 5848583 (1998-12-01), Smith et al.

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