FAN ASSEMBLY WITH HOUSING-LESS FRONT BEARING COMPARTMENT

DRIVE March 20, 2024
Source
A fan assembly (22) of a gas turbine engine (20) includes a fan rotor (42) including a fan rotor hub (60), and a plurality of fan blades (62) extending radially outwardly from the fan rotor hub (60), and a fan case (64) including an inner case portion (68) and an outer case portion (66) surrounding the plurality of fan blades (62). A plurality of struts (70) extend between the inner case portion (68) and the outer case portion (66). A bearing assembly (72) is configured to support the fan rotor (42) at the inner case portion (68). The bearing assembly (72) includes a bearing inner race (76) secured to the fan rotor (42), a bearing outer race (78) secured to the inner case portion (68), and a plurality of bearing elements (80) located radially between the bearing inner race (76) and the bearing outer race (78).

Discussion in the ATmosphere

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