Device for locking a turbine blade to a rotor disk

Details Device for locking a turbine blade to a rotor disk Device for locking a turbine blade to a rotor disk

1985-06-11

1986-08-05

Garrett, Robert E.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received in well or slot

F01D 532

Patent

active

046040331

ABSTRACT:
A device for axially locking a turbine blade onto a rotor disk includes a foot portion of the blade which is slidably retained in a slot provided on the periphery of the rotor disk. An axial projection extends from the foot portion so as to engage a locking ring attached to the rotor disk when the blade is moved in a radially outward direction. A block inserted between the foot portion of the blade and the rotor disk serves to impart such movement to the rotor blade. Brackets on a downstream compressor drum and an upstream cover portion serve to axially lock the block in position.

REFERENCES:
patent: 3378230 (1968-04-01), Toomey
patent: 4221542 (1980-09-01), Acres et al.
patent: 4265595 (1981-05-01), Bucy, Jr. et. al.
patent: 4451205 (1984-05-01), Honda et al.
patent: 4453890 (1984-06-01), Brantley
patent: 4470756 (1984-09-01), Rigo et al.
patent: 4474535 (1984-10-01), Dhuic
patent: 4478554 (1984-10-01), Surdi
patent: 4502841 (1985-03-01), Kebedjis
patent: 4527952 (1985-07-01), Forestier et al.

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