Programmed spark scatter for idle speed control

Details Programmed spark scatter for idle speed control Programmed spark scatter for idle speed control

1990-05-14

1992-05-19

Cross, E. Rollins

Internal-combustion engines

Charge forming device

Fuel injection system

123339, F02P 500

Patent

active

051138271

ABSTRACT:
In an idle speed control system for an engine of an automotive vehicle, a method of controlling the idle speed within an engine speed envelope of acceptable values by inversely varying the spark advance setting with respect to the closed loop fuel control system modulations.

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patent: 4719573 (1988-01-01), Kissel et al.
patent: 4821701 (1989-04-01), Nankee, II et al.
patent: 4942860 (1990-07-01), Chujo et al.

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