Internal combustion engine with breather system

Details Internal combustion engine with breather system Internal combustion engine with breather system

F - Mech Eng,Light,Heat,Weapons

01

M

F01M 13/04 (2006.01)

Patent

CA 2627659

A breather system is disclosed for gas-liquid separation that utilizes the rotation of a camshaft, to improve the gas-liquid separation function and to reduce the number of components. The breather system is used in an internal combustion engine having a valve system that includes a camshaft. The breather system is provided with an upstream-side breather chamber and a downstream-side breather chamber. Blow-by gas flows into the upstream-side breather chamber through a chain chamber. The breather chamber is provided in a hollow portion of the camshaft defining a through whole having a plurality of hole portions. The hole portions have different sizes to improve the operation of the breather system.

Un circuit reniflard dans lequel la séparation gaz-liquide est effectuée par la rotation d'un arbre à cames, est destiné à améliorer la séparation gaz-liquide et à réduire le nombre de composants du circuit reniflard. Le circuit renflard est utilisé dans un moteur à combustion interne muni d'un système de soupapes, y compris d'un arbre à cames. Le circuit reniflard est doté d'une chambre reniflard en amont et d'une chambre reniflard en aval. Les gaz perdus s'écoulent dans la chambre reniflard en amont en passant par la chambre de chaîne. La chambre reniflard se trouve dans la partie creuse de l''arbre à cames. Elle est formée d'un trou débouchant constitué d'un ensemble de petits trous de différentes grosseurs qui servent à améliorer le fonctionnement du circuit reniflard.

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