Air-fuel ratio control system for automotive vehicle equipped wi

Details Air-fuel ratio control system for automotive vehicle equipped wi Air-fuel ratio control system for automotive vehicle equipped wi

1995-07-19

1998-05-19

Tanner, Harry B.

Refrigeration

Automatic control

Responsive to vehicle body motion or traction

623231, 12333917, 60276, F02D 102

Patent

active

057523878

ABSTRACT:
An air-fuel ratio control system for an internal combustion engine of an automotive vehicle is provided which is designed to enrich an air-fuel mixture when an engine load is varied by use of an air conditioner installed in the vehicle for ensuring optimum emission control. The air-fuel ratio control system includes an air conditioner condition determining unit which determines drive torque of an air conditioner compressor as a parameter indicative of a variation in engine load and modifies an air-fuel ratio to the rich side according to an increase in drive torque of the air conditioner compressor.

REFERENCES:
patent: 4836164 (1989-06-01), Morozumi et al.
patent: 4898005 (1990-02-01), Sakurai
patent: 4976589 (1990-12-01), Ide
patent: 5163399 (1992-11-01), Bolander et al.
patent: 5216880 (1993-06-01), Aoki et al.

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