Sealing means for bladed rotor for a gas turbine engine

Details Sealing means for bladed rotor for a gas turbine engine Sealing means for bladed rotor for a gas turbine engine

1978-07-28

1980-08-19

Smith, Leonard E.

Fluid reaction surfaces (i.e., impellers)

Having lubricating, sealing, packing or specific bearing...

416 95, 416219R, 277 56, F01D 1100, F01D 518

Patent

active

042181895

ABSTRACT:
A bladed rotor for a gas turbine engine comprises a rotor disc having a plurality of blade retaining slots in its periphery and a rotor blade mounted in each slot, and sealing means between the rotor and the adjacent static structure comprising an annular projection from adjacent the disc periphery adapted to coact with an annular feature on the static structure. The annular projection is made up of a plurality of abutting segments, alternate ones of which project from the disc and one of the rotor blades respectively.

REFERENCES:
patent: 2648519 (1953-08-01), Campini
patent: 3437313 (1969-04-01), Moore
patent: 3490852 (1970-01-01), Carlstrom et al.
patent: 3635586 (1972-01-01), Kent et al.
patent: 3703808 (1972-11-01), Stearns
patent: 3791758 (1974-02-01), Jenkinson
patent: 3801218 (1974-04-01), Moore
patent: 3853425 (1974-12-01), Scalzo et al.

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