Air/fuel ratio control system for internal combustion engine

Patent · Tue Jan 10 04:00:00 EST 1989

OSTI ID:6268745

Nakajima, T; Okada, Y

An air/fuel ratio control system for an internal combustion engine is described comprising: an oxygen concentration sensor disposed within an exhaust gas passage of the internal combustion engine, an electric element having an electric characteristic which represents deviations of the actual value of the output signal from a predetermined reference linear output characteristic; means for producing a discrimination signal in response to the electric characteristic of the electric element; means for performing compensation of the output signal of the sensor in accordance with the discrimination signal, to produce a compensated output signal; means for comparing the compensated output signal with a reference signal corresponding to a target air/fuel ratio; and means for adjusting the air/fuel ratio of the mixture supplied to the internal combustion engine, in accordance with a resultant signal produced by the comparing means.

• Assignee: Honda Giken Kogyo Kabushiki Kaisha, Tokyo
• Patent Number(s): US 4796587
• OSTI ID: 6268745
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
99 GENERAL AND MISCELLANEOUS
990220 -- Computers
Computerized Models
& Computer Programs-- (1987-1989)
COMPUTERIZED CONTROL SYSTEMS
CONTROL SYSTEMS
DESIGN
ELECTRICAL EQUIPMENT
ENGINES
ENRICHMENT
EQUIPMENT
FUEL SYSTEMS
FUEL-AIR RATIO
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
OXYGEN ENRICHMENT
SIGNAL CONDITIONING