Title:
FUEL SUPPLY DEVICE FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JPH055433
Kind Code:
A
Abstract:
PURPOSE: To accurately judge alcohol concentration even when an alcohol sensor is deteriorated with passage of time.
CONSTITUTION: At the time of starting, a detection value of an alcohol sensor is read (S2 to S4) when supply oil is decided, and a read value of this detection is corrected (S10) by a memory value (S8), read when a sensor output is stabilized, and by alcohol concentration estimated(S9) when air-fuel ratio is feedback- controlled.
Inventors:
AIZAWA HIROYUKI
ITO NOBUYUKI
ITO NOBUYUKI
Application Number:
JP15495091A
Publication Date:
January 14, 1993
Filing Date:
June 26, 1991
Export Citation:
Assignee:
NISSAN MOTOR
International Classes:
F02D19/08; F02D41/02; F02D45/00; (IPC1-7): F02D19/08; F02D41/02; F02D45/00
Attorney, Agent or Firm:
Fumio Sasashima
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