公开(公告)号：US20210222767A1

公开(公告)日：2021-07-22

申请号：US16785915

申请日：2020-02-10

Applicant: United Technologies Corporation

Inventor： Janice Jabido ,  Michael E. McCune

IPC: F16H57/04 ,  F16H1/28 ,  F16H57/08 ,  F02K3/02 ,  F01D15/12 ,  F01D25/18

Abstract: A fan drive gear system for a turbofan engine according to an exemplary embodiment of this disclosure, among other possible things includes a sun gear that is rotatable about an axis, a plurality of intermediate gears driven by the sun gear, and a baffle that is disposed between at least two of the plurality of intermediate gears for defining a lubricant flow path from an interface between the sun gear and at least one of the plurality of intermediate gears. The baffle includes a channel with at least one ramp portion directing lubricant.

公开(公告)号：US11448309B2

公开(公告)日：2022-09-20

申请号：US16785915

申请日：2020-02-10

Applicant: United Technologies Corporation

Inventor： Janice Jabido ,  Michael E. McCune

IPC: F16H57/04 ,  F01D15/12 ,  F01D25/18 ,  F02K3/02 ,  F16H1/28 ,  F16H57/08

Abstract: A fan drive gear system for a turbofan engine according to an exemplary embodiment of this disclosure, among other possible things includes a sun gear that is rotatable about an axis, a plurality of intermediate gears driven by the sun gear, and a baffle that is disposed between at least two of the plurality of intermediate gears for defining a lubricant flow path from an interface between the sun gear and at least one of the plurality of intermediate gears. The baffle includes a channel with at least one ramp portion directing lubricant.