Method for controlling an internal combustion engine in overrun

Details Method for controlling an internal combustion engine in overrun Method for controlling an internal combustion engine in overrun

1996-12-23

1998-03-10

Dolinar, Andrew M.

Internal-combustion engines

Engine speed regulator

Responsive to deceleration mode

F02D 4300

Patent

active

057249407

ABSTRACT:
An internal combustion engine is constantly monitored for overrun mode. When the overrun mode is detected, the fuel injection to the cylinders is shut off. After the shutoff of fuel injection has been accomplished, the ignition is shut off as well, but only after the (complete) degradation of a fuel wall film in the intake tube. This increases the service life of the ignition system (ignition coil, ignition end stages, spark plugs) and reduces the consumption of electrical energy.

REFERENCES:
patent: 5020495 (1991-06-01), Plapp
patent: 5136996 (1992-08-01), Kushi et al.
patent: 5243948 (1993-09-01), Schnaibel et al.
Patent Abstracts of Japan No. 62-168950 (Minoru), dated Jul. 25, 1987.

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