Rotor blade assembly

Details Rotor blade assembly Rotor blade assembly

1990-12-24

1992-06-09

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received in well or slot

416196R, 416220R, F01D 530

Patent

active

RE0339547

ABSTRACT:
Rotor blade and disk structures enabling the disassembly and reassembly of a single rotor blade are disclosed. The concepts are particularly suited to configurations employing interlocking mid-span shrouds which inhibit the withdrawal of a single blade from a disk.
In one specific geometry the rotor blade root section (20) and the disk attachment slot (24) are contoured to provide increasing clearance between the bottom of the blade root section and the attachment slot as the blade is withdrawn axially from the slot. Rocking of the blade within the provided clearance enables withdrawal of the blade around the shroud segments (30,32) and airfoil sections (16) of the adjacent blades (12).

REFERENCES:
patent: 3628890 (1971-12-01), Sayre et al.
patent: 3720481 (1973-03-01), Motta
patent: 3891351 (1975-06-01), Norbut
patent: 4142836 (1979-03-01), Glenn
patent: 4169694 (1979-10-01), Sandy
patent: 4265595 (1981-05-01), Bucy, Jr. et al.
patent: 4326836 (1982-04-01), Fitton

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