Document Type and Number:
Japanese Patent JPH0121337
Kind Code:
B2
Abstract:
A fuel supply control system for use with an internal combustion engine in which a fuel quantity adjusting means which controls the quantity of fuel being supplied to the engine is electrically controlled in response to operating condition of the engine to obtain a desired amount of fuel being supplied to the engine. The system includes means responsive to the outputs of an engine speed sensor and an intake pipe absolute pressure sensor to actuate the above fuel quantity adjusting means to lean a mixture being supplied to the engine when the actual engine speed is higher than a predetermined engine rpm and the actual intake pressure absolute pressure is lower than a predetermined absolute pressure. Preferably, the mixture leaning means may be also responsive to the output of an engine temperature sensor to cause leaning of the mixture when the actual engine temperature is higher than a predetermined engine temperature, simultaneously with fulfillment of the engine speed and absolute pressure requirements.
Inventors:
HASEGAWA SHUNPEI
Application Number:
JP2399481A
Publication Date:
April 20, 1989
Filing Date:
February 20, 1981
Export Citation:
Assignee:
HONDA MOTOR CO LTD
International Classes:
F02D41/04; F02D21/08; F02D31/00; F02D41/14; F02D45/00; F02B1/04
Next Patent: JPH0121338