Fan blade and disk assembly

Details Fan blade and disk assembly Fan blade and disk assembly

2006-12-26

2006-12-26

Verdier, Christopher (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received in well or slot

C416S24500R

Reexamination Certificate

active

07153103

ABSTRACT:
A gas turbine engine fan blade (22) and disk assembly (30) is provided with levers (36) with which to apply a force to the radially inner end of respective blades (22) so as to move the roots (26) of the blades (22) into abutting engagement with the side walls of the inverted “V” shaped grooves (32) in the disk rim (34), and thereby prevent relative wearing movement therebetween. The levers (36) are appropriately moved by rotation of respective screws (52) that pass through exposed ends thereof in screw threaded engagement, and abut a fixed land (46) so as to apply a pivoting force on each lever (36).

REFERENCES:
patent: 3598503 (1971-08-01), Muller
patent: 5443366 (1995-08-01), Knott et al.
patent: 6447255 (2002-09-01), Bagnall et al.
patent: 6561763 (2003-05-01), Breakwell
patent: 6837686 (2005-01-01), Di Paola et al.
patent: 6942462 (2005-09-01), Breakwell et al.
patent: 1 213 408 SP (1970-11-01), None
patent: 2 021 206 (1979-11-01), None
patent: 2262139 (1993-06-01), None
patent: 2 267 318 (1993-12-01), None

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