Method and apparatus for controlling idle speed of an engine

Internal-combustion engines – Engine speed regulator – Idle speed control

Reexamination Certificate

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Details

C123S339160

Reexamination Certificate

active

06845751

ABSTRACT:
In the invention an apparatus and method direct an engine speed to converge to a target idle speed by detecting a current engine speed, calculating a dynamic reference speed based on the current engine speed, calculating a target idle speed actuator (ISA) opening based on the dynamic reference speed and the current engine speed, and actuating the ISA based on the target ISA opening.

REFERENCES:
patent: 6009852 (2000-01-01), Akabori et al.
patent: 6019085 (2000-02-01), Sato et al.
patent: 6082329 (2000-07-01), Kazumasa
patent: 6116213 (2000-09-01), Yasui et al.
patent: 6626144 (2003-09-01), Kanamaru
patent: 263688 (1993-10-01), None
patent: 185388 (1994-07-01), None
patent: 26048 (1998-01-01), None
patent: 246142 (1998-09-01), None
patent: 328819 (2003-11-01), None

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