Method and system for stopping an internal combustion engine

The present invention relates to a method for stopping an internal combustion engine (101), said internal combustion engine (101) having at least one combustion chamber (209) and a crankshaft (112) being arranged to be propelled by said at least one combustion chamber (209), wherein intake of gas to...

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Bibliographic Details
Main Authors Höckerdal, Erik, Stenlåås, Ola
Format Patent
LanguageEnglish
Published 07.04.2020
Subjects
BLASTING
COMBUSTION ENGINES
CONTROLLING COMBUSTION ENGINES
CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
ENGINE PLANTS IN GENERAL
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
STEAM ENGINES
WEAPONS
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Summary:The present invention relates to a method for stopping an internal combustion engine (101), said internal combustion engine (101) having at least one combustion chamber (209) and a crankshaft (112) being arranged to be propelled by said at least one combustion chamber (209), wherein intake of gas to said at least one combustion chamber (209) is controlled by at least one intake valve (211), and wherein evacuation of said at least one combustion chamber (209) is controlled by at least one exhaust valve (213). The method includes, when said internal combustion engine (101) is to be stopped:- turning off fuel injection,- with fuel injection turned off, controlling an intake valve (211) and/or an exhaust valve (213) of said at least one combustion chamber (209) such that, following compression in said at least one combustion chamber (209), pressure in said combustion chamber (209) is reduced to reduce a crankshaft (112) propelling power caused by gas expansion following said compression.
Bibliography:Application Number: SE20160051045