Fuel injection control system for an automotive engine

Details Fuel injection control system for an automotive engine Fuel injection control system for an automotive engine

1989-02-09

1990-02-13

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Fuel injection system

123486, 36443105, F02P 515, F02P 4126, F02D 2500, F02D 4110

Patent

active

048997137

ABSTRACT:
Average pressure of pressure in an intake passage is calculated. A basic injection quantity is determined by engine speed and the average pressure. On the other hand, estimated pressure is estimated from engine speed and throttle position. A correcting coefficient is obtained from the average pressure and the estimated pressure, and the basic injection quantity is corrected with the correcting coefficient.

REFERENCES:
patent: 4705001 (1987-11-01), Danno et al.
patent: 4747387 (1988-05-01), Takao et al.
patent: 4782806 (1988-11-01), Hatanaka
patent: 4831537 (1989-05-01), Scarnera et al.
patent: 4836164 (1989-06-01), Morazumi et al.
patent: 4836169 (1989-06-01), Ishikama et al.

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