Method and system for improving fuel economy and...

C - Chemistry – Metallurgy – 10 – M

Patent

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Details

C10M 133/08 (2006.01) C10M 129/08 (2006.01) C10M 129/68 (2006.01) C10M 133/16 (2006.01) F01M 9/02 (2006.01)

Patent

CA 2592882

The present invention relates to a method of and a corresponding system for reducing fuel consumption and environmental impact in a two-stroke engine, comprising the steps of obtaining system oil/consumable system oil (301') from at least one engine (300), adding (102) at least one friction modifier (101) to at least a part of the obtained system oil/consumable system oil (301'), where the addition of the at least one friction modifier (101) reduces the friction coefficient of the obtained system oil/consumable system oil (301'), resulting in a system oil/consumable system oil with reduced friction (301 "), and supplying said system oil/consumable system oil with reduced friction (301 ") to said at least one engine (300). In this way, frictional losses caused by contamination of the system oillconsumable system oil are avoided or minimised, which normally take place as the oil is used and which would otherwise cause a continuous decrease in engine efficiency resulting in increased fuel consumption and emissions. In addition, the present invention related to a method and a corresponding system to convert system oil/consumable system oil into cylinder oil. Finally, the present invention relates to a method to use a consumable system oil as it is being converted into cylinder oil. This furthermore allows for the consumable system oil to contain a lower performance additive package and/or additive treat rate. Thus great economical savings and environmental improvements are achieved.

La présente invention concerne un procédé et un système correspondant permettant de réduire la consommation de carburant et l'impact sur l'environnement d'un moteur deux temps, qui consiste à obtenir un système consommation/huile (301') d'au moins un moteur (300), à ajouter (102) au moins un modificateur de frottement (101) à au moins une partie du système consommation/huile obtenu (301'), cette addition de modificateur de frottement (101) modifie le coefficient de frottement du système consommation/huile obtenu(301'), permettant d'obtenir un système consommation huile à frottements réduits (301'') et, à alimenter ce système consommation huile à frottements réduits (301'') à ce moteur (300). De cette manière, des pertes de frottements causées par contamination du système consommation/huile sont évitées ou minimisées, la normalité étant obtenue lorsque l'huile est utilisée alors qu'autrement on obtiendrait une efficacité décroissante continue du moteur du fait d'une consommation d'huile augmentée et des émissions. Par ailleurs, cette invention concerne un procédé et un système correspondant permettant de transformer le système consommation/huile en huile de cylindre. Finalement, cette invention concerne un procédé permettant d'utiliser un système de consommation d'huile lorsqu'il a été transformé en huile de cylindre. Cette invention permet aussi au système de consommation d'huile de contenir un ensemble d'additifs de performance moins important et/ou un coût de traitement d'additif plus faible. Ceci permet de réaliser de grandes économies et d'améliorer l'environnement.

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