Electronically controlled fuel injection system for an internal

Details Electronically controlled fuel injection system for an internal Electronically controlled fuel injection system for an internal

1985-12-13

1987-07-21

Dolinar, Andrew M.

Internal-combustion engines

Charge forming device

Fuel injection system

123478, F02D 4104

Patent

active

046810765

ABSTRACT:
The invention relates to an electronically controlled fuel injection system for an internal combustion engine wherein all dependency on the supply voltage for the electro-hydraulic components is compensated for and/or the pressure-regulator characteristic dependent upon the pumped quantity is compensated for. With respect to the dependency of the electric fuel pump on the supply voltage, this is accomplished by means of a correction factor for the basic injection signal. Below a specific voltage value which corresponds to the voltage required for maintaining the system pressure, this correction factor becomes progressively larger. The pressure regulator characteristic dependent upon the quantity of fuel pumped is taken into account in the correction in a corresponding manner.

REFERENCES:
patent: 4406266 (1983-09-01), Kiesling
patent: 4480620 (1984-11-01), Tange et al.
patent: 4643153 (1987-02-01), Clement et al.

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