Invention Grant
- Patent Title: Geared turbofan with integral front support and carrier
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Application No.: US16203088Application Date: 2018-11-28
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Publication No.: US11008947B2Publication Date: 2021-05-18
- Inventor: William G. Sheridan
- 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: Carlson, Gaskey & Olds, P.C.
- Main IPC: F02C7/36
- IPC: F02C7/36 ; F01D25/16 ; F02C3/107 ; F02C7/06 ; F01D5/02 ; F01D15/12 ; F02C3/04

Abstract:
A gas turbine engine includes a nacelle, and a bypass flow path in a bypass duct within the nacelle of the turbofan engine. A fan section includes a fan with fan blades. The fan section drives air along the bypass flow path. A fan shaft drives a fan that has fan blades and the fan rotates about a central longitudinal axis of the turbofan engine. A speed reduction device includes an epicyclic gear system. A turbine section is connected to the fan section through the speed reduction device and the turbine section rotates about the central longitudinal axis. A first fan bearing for supporting rotation of the fan hub is located axially forward of the speed reduction device. A second fan bearing for supporting rotation of the fan hub is located axially aft of the speed reduction device. A first outer race of the first fan bearing is fixed relative to the fan hub.
Public/Granted literature
- US20200025101A1 GEARED TURBOFAN WITH INTEGRAL FRONT SUPPORT AND CARRIER Public/Granted day:2020-01-23
Information query
IPC分类: