Blow-by gas separator and decompressor for an internal...

F - Mech Eng,Light,Heat,Weapons – 01 – M

Patent

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Details

F01M 13/04 (2006.01) F01B 1/12 (2006.01) F01L 13/08 (2006.01) F01M 11/02 (2006.01) F02B 61/02 (2006.01) F02B 61/04 (2006.01) F02B 67/04 (2006.01) F02B 75/16 (2006.01) F02B 75/20 (2006.01) F02B 75/22 (2006.01) F02F 1/42 (2006.01) F16H 9/12 (2006.01) F16H 55/56 (2006.01) F02B 75/02 (2006.01) F02B 75/18 (2006.01) F02F 1/24 (2006.01) F16H 61/662 (2006.01)

Patent

CA 2431567

An apparatus is described to separate oil from a gas in an internal combustion engine. The apparatus includes a rotatable member adapted to be rotatably driven by the internal combustion engine and ahousing affixed to the rotatable member. At least one inlet hole is disposed through one of either the rotatable member or the housing, permitting oil-containing gas to pass therethrough. At least one outlet hole is disposed through one of either the housing or the rotatable member, permitting the gas to exit therefrom. At least one labrynthine passage extends between the at least one inlet and the at least one outlet so that, as the rotatable member and housing rotate, the oil-containing gas within the labrynthine passage is subjected to centrifugal forces. The forces cause at least some of the oil to be removed from the gas as the gas flows from the at least one inlet hole to the at least one outlet hole. A decompressor is also described.

L'invention concerne un appareil servant à séparer l'huile des gaz de combustion dans un moteur à combustion interne. Cet appareil comprend un élément rotatif entraîné en rotation par le moteur à combustion interne, et un logement fixé à cet élément rotatif. Au moins un trou d'admission est ménagé soit dans l'élément rotatif soit dans le logement, pour permettre le passage des gaz chargés d'huile. Au moins un trou d'échappement est ménagé soit dans le logement soit dans l'élément rotatif, pour permettre l'expulsion des gaz. Au moins un passage en chicane s'étend entre le trou d'admission et le trou d'échappement pour que les gaz chargés d'huile dans le passage en chicane soient soumis à des forces centrifuges lorsque l'élément rotatif et le logement sont entraînés en rotation. Ces forces permettent de séparer au moins une partie de l'huile des gaz lorsque ceux-ci s'écoulent entre le trou d'admission et le trou d'échappement. Par ailleurs, l'invention concerne un décompresseur.

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