Slew bearing system

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

Patent

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Details

F16C 19/34 (2006.01) F16C 33/66 (2006.01)

Patent

CA 2729361

A slew bearing system includes a first bearing ring and a second bearing ring concentrically positioned relative to each other forming at least upper and lower raceways there between, a plurality of bearing rollers positioned in each raceway between the first bearing ring and the second bearing ring, a plurality of delivery nozzles capable of delivering an air and oil mixture into the raceways adjacent the upper raceway, passages capable of fluidly communicating the air and oil mixture through the raceways and collecting some oil from the mixture adjacent the lower raceway, seals capable of regulating air flow through the passages and inhibiting outflow of oil from the raceways, and at least one exit port capable of outward flow of air and oil from the raceways adjacent the lower raceway.

Linvention concerne un système de couronne dorientation comprenant un premier anneau de support et un second anneau de support, positionnés de manière concentrique lun par rapport à lautre et formant au moins un chemin de roulement supérieur et un chemin de roulement inférieur entre lesdits anneaux, une pluralité de rouleaux de support placés dans chaque chemin de roulement entre ledit premier anneau de support et ledit second anneau de support, une pluralité de buses de distribution capables de distribuer un mélange dair et dhuile dans les chemins de roulement à proximité du chemin de roulement supérieur, des passages capables détablir une communication fluidique pour le mélange dair et dhuile à travers les chemins de roulement et de collecter de lhuile provenant du mélange à proximité du chemin de roulement inférieur, des joints capables de réguler lécoulement de lair à travers les passages et dinhiber lécoulement de lhuile hors des chemins de roulement, et au moins un port de sortie capable découlement vers l'extérieur de lair et de lhuile hors des chemins de roulement, à proximité du chemin de roulement inférieur.

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