FIELD: machine building.
SUBSTANCE: fan rotor comprises a disc carrying blades, roots of which are engaged in axial grooves in disc, a frustoconical shroud mounted on disc, and means for axially retaining blades on disc, well as means of providing rigidity during rotation of rim. Axial retainers comprise rim installed in annular groove of disc to make support legs of blades. Rim is pectineal or a toothed shape and interacts with ring radial flange pectineal or a toothed shape annular groove in plate. Blocking means comprise ring at least one tooth, axially entering hollow part of flange disc and rim. Ring is fixed with bolts on disc inlet radial surface and has ears for axial fastening bolts ring to disc. Casing is fixed on disc axial bolts extending in holes of eye ring. Another invention of jet turbine engine containing said rotor.
EFFECT: simplified assembly and disassembly of fan rotor, as well as improving attachment reliability of its blades.
6 cl, 8 dwg
