Invention Grant
- Patent Title: Housing less front bearing compartment for gas turbine engine
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Application No.: US16857661Application Date: 2020-04-24
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Publication No.: US11352979B2Publication Date: 2022-06-07
- Inventor: Yuk-Kwan Brian Yuen , Christopher T. Anglin , Matthew Nickerson , Daniel S. Rogers
- Applicant: Raytheon Technologies Corporation
- Applicant Address: US CT Farmington
- Assignee: Raytheon Technologies Corporation
- Current Assignee: Raytheon Technologies Corporation
- Current Assignee Address: US CT Farmington
- Agency: Cantor Colburn LLP
- Main IPC: F02K3/06
- 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.
Public/Granted literature
- US20210332775A1 HOUSING LESS FRONT BEARING COMPARTMENT FOR GAS TURBINE ENGINE Public/Granted day:2021-10-28
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