IDLE SPEED CONTROL FOR INTERNAL COMBUSTION ENGINES

A method of controlling the idle speed of an engine of a vehicle. In the cas e of a vehicle having an automatic transmission, the method includes increasing the engine speed from a first idle speed to a second idle speed higher than said first idle speed in response to a driver originating indicatio...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	MELBOURNE, KEITH
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	A method of controlling the idle speed of an engine of a vehicle. In the cas e of a vehicle having an automatic transmission, the method includes increasing the engine speed from a first idle speed to a second idle speed higher than said first idle speed in response to a driver originating indication independent of an acceleration control of th e vehicle that vehicle motion is desired, the higher second idle speed being set to achieve a desired level of vehicle creep. The acceleratio n control of the vehicle is typically an accelerator pedal which is depressed by the driver to accelerate the vehicle. In the case of a vehic le having either a manual or automatic transmission, the method includes increasing the engine speed from a first idle speed to a second idl e speed higher than said first idle speed in response to the release of a brake of the vehicle brake system. The engine idle speed is returned to the first idle speed when the brake is re-engaged.