公开(公告)号：US12072002B2

公开(公告)日：2024-08-27

申请号：US18534131

申请日：2023-12-08

申请人： SAFRAN TRANSMISSION SYSTEMS

发明人： Loïc Francois ,  Boris Pierre Marcel Morelli ,  Florent Lejeune

IPC分类号： F16H55/17 ,  F16H1/34 ,  F16H48/11 ,  F16H57/08 ,  F16H1/32

CPC分类号： F16H1/34 ,  F16H48/11 ,  F16H55/17 ,  F16H57/082 ,  F16H2001/327 ,  F16H2055/176

摘要： A ring gear for an aircraft mechanical gearbox, the ring gear having an annular shape about an axis and having an internal toothing at its internal periphery, an external annular flange or splines at its external periphery, and an annular web extending between the internal toothing and the external flange or splines. The web can include an annular row of arms which are distributed about the axis, these arms connecting the internal toothing to the external flange or splines and being formed in a single piece with the internal toothing and the external flange or splines.