FIELD: engines and pumps.
SUBSTANCE: jet turbine engine includes fixed construction, paddle-blade fan integral with drive shaft supported with the first and the second bearings, device forming an axial retaining device for paddle-blade fan and/or forming an emergency bearing interacting with device of fixed construction. Jet turbine engine includes structural flange on which the second bearing is fixed. Device forming an axial retaining device for fan and/or forming an emergency bearing is installed as an integral part of drive shaft and includes the retaining plate installed on drive shaft and interacting with the restricting plate of flange for retention in axial direction of fan, and with longitudinal bushing of flange to form an emergency bearing.
EFFECT: eliminating risk of damage to jet engine when the fan blade is broken.
3 cl, 10 dwg
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