Fan for a ducted fan gas turbine engine

Details Fan for a ducted fan gas turbine engine Fan for a ducted fan gas turbine engine

1993-06-25

1994-12-06

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received by continuous circumferential channel

416220R, 416245R, F01D 530

Patent

active

053705017

ABSTRACT:
A fan for a ducted fan gas turbine engine comprises a hub carrying an array of generally radially extending fan blades. The hub is hollow and tapered in an axial direction. The radially outer hub surface is provided with a plurality of generally axially extending slots. The slots receive corresponding stepped teeth provided on the radially inner ends of the fan blades. A nose cone engages the upstream end of the roots of the fan blades to ensure that the teeth are retained in the slots.

REFERENCES:
patent: 3393862 (1968-07-01), Harrison
patent: 5007800 (1991-04-01), Hacault et al.
patent: 5018941 (1991-05-01), Heurtel et al.
patent: 5022822 (1991-06-01), Sincere
patent: 5131814 (1992-07-01), Przytulski et al.
patent: 5165856 (1992-11-01), Schilling et al.

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