公开(公告)号：US20210332775A1

公开(公告)日：2021-10-28

申请号：US16857661

申请日：2020-04-24

Applicant: Raytheon Technologies Corporation

Inventor： Yuk-Kwan Brian Yuen ,  Christopher T. Anglin ,  Matthew Nickerson ,  Daniel S. Rogers

IPC: F02K3/06 ,  F02C7/36 ,  F01D25/16 ,  F02C7/06

Abstract: A fan assembly of a gas turbine engine includes a fan rotor including a fan rotor hub, and a plurality of fan blades extending radially outwardly from the fan rotor hub, and a fan case including an inner case portion and an outer case portion surrounding the plurality of fan blades. A plurality of struts extend between the inner case portion and the outer case portion. A bearing assembly is configured to support the fan rotor at the inner case portion. The bearing assembly includes a bearing inner race secured to the fan rotor, a bearing outer race secured to the inner case portion, and a plurality of bearing elements located radially between the bearing inner race and the bearing outer race.

公开(公告)号：US11352979B2

公开(公告)日：2022-06-07

申请号：US16857661

申请日：2020-04-24

Applicant: Raytheon Technologies Corporation

Inventor： Yuk-Kwan Brian Yuen ,  Christopher T. Anglin ,  Matthew Nickerson ,  Daniel S. Rogers

IPC: F02K3/06 ,  F01D9/06 ,  F01D25/16 ,  F01D25/18

Abstract: A fan assembly of a gas turbine engine includes a fan rotor including a fan rotor hub, and a plurality of fan blades extending radially outwardly from the fan rotor hub, and a fan case including an inner case portion and an outer case portion surrounding the plurality of fan blades. A plurality of struts extend between the inner case portion and the outer case portion. A bearing assembly is configured to support the fan rotor at the inner case portion. The bearing assembly includes a bearing inner race secured to the fan rotor, a bearing outer race secured to the inner case portion, and a plurality of bearing elements located radially between the bearing inner race and the bearing outer race.