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

1990-02-02

1991-07-16

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Fuel injection system

F02M 5100

Patent

active

050315978

ABSTRACT:
A fuel evaporation quantity is estimated based on engine speed and opening degree of a throttle valve. The quantity of fuel to be injected is provided based on the estimated fuel evaporation quantity. A weight for a weighted mean is changed in accordance with the engine operating condition. A smoothed fuel injection quantity is provided by the weighted mean with the weight.

REFERENCES:
patent: 4805577 (1989-02-01), Kanno et al.
patent: 4852538 (1989-08-01), Nagaishi
patent: 4858136 (1989-08-01), Tanaka et al.
patent: 4887575 (1989-12-01), Takahashi
patent: 4896644 (1990-01-01), Kato

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