公开(公告)号：US12066095B2

公开(公告)日：2024-08-20

申请号：US18177988

申请日：2023-03-03

申请人： SAFRAN TRANSMISSION SYSTEMS

发明人： Balint Pap ,  Clement Jarroux ,  Pierre Gilbert Claude Medecin ,  Guillaume Pierre Mouly

IPC分类号： F16H57/04 ,  F16H57/08

CPC分类号： F16H57/0479 ,  F16H57/043 ,  F16H57/0471 ,  F16H57/0482 ,  F16H2057/085

摘要： A mechanical reducer for a turbomachine, in particular for an aircraft, this reducer including a sun gear, a ring gear, planet gears which are meshed with the sun gear and the ring gear, hydrodynamic bearings for guiding the planet gears in rotation, these hydrodynamic bearings being carried by a planet carrier and including cylindrical bodies which include an internal oil circulation cavity and first pipelines for conveying oil from this cavity to at least one external cylindrical surface of the body, wherein each of the cylindrical bodies further includes second oil evacuation pipelines, which are different from the first pipelines, and which extend from said at least one external cylindrical surface to at least one of the longitudinal ends of that body.