Mechanism for lubricant flow limitation through a rotating...

F - Mech Eng,Light,Heat,Weapons – 16 – N

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184/34

F16N 7/36 (2006.01) F01D 25/18 (2006.01) F16H 57/04 (2010.01) F16N 27/00 (2006.01)

Patent

CA 2020717

Device (28) for limiting the flow of lubricant through an axial passage (18) on a shaft (10) in rotation, remarkable in that it includes a component (36) forming a crosswise partition, fixed in the said axial passage and presenting an inner face (40) turned toward the passage (18) and an outer face (38) turned toward a source (24) of lubricant, a cavity (42) in the said partition (36), at least one inlet orifice (44) between the outer face (38) and the cavity (42), at least one escape orifice (46) between the outer face (38) and the cavity (42) and located a certain distance from the axis (X-X) of the shaft (10), and at least one outlet orifice (48) between the inner face (40) and the cavity (42) and located a distance from the axis (X-X) of the shaft (10) greater than the first distance, the outlet orifice (48) having a predetermined section.

Dispositif (28) de limitation de débit d'un lubrifiant au travers d'un passage axial (18) d'un arbre (10) en rotation, caractérisé en ce qu'il comprend un organe (36) formant cloison transversale, fixé dans ledit passage axial et présentant une face interne (40) tournée vers le passage (18) et une face externe (38) tournée vers une source (24) de lubrifiant, une cavité (42) dans ladite cloison (36), au moins un orifice d'entrée (44) entre la face externe (38) et la cavité (47), au moins un orifice d'évacuation (46) entre la face externe (38) et la cavité (42) et situé à une première distance de l'axe (X-X) de l'arbre (10), et au moins un orifice de sortie (48) entre la face interne (40) et la cavité (42) et situé a une seconde distance de l'axe (X-X) de l'arbre (10) supérieure à la première distance, l'orifice de sortie (48) ayant une section prédéterminée.

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