Locking of rotor blades on a rotor disk

Details Locking of rotor blades on a rotor disk Locking of rotor blades on a rotor disk

1980-12-19

1984-04-24

Casaregola, L. J.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received in well or slot

416218, F01D 532

Patent

active

044445440

ABSTRACT:
A rotor stage assembly 20 of the type adapted for use in an axial flow gas turbine engine is disclosed. The assembly includes a rotor disk 36 having blade attachment slots 42 configured to receive a plurality of rotor blades 40. Each rotor blade is insertable into the disk in a generally axial direction. Each rotor blade is retained against fore and aft movement by a lock pin 52. The disk is adapted by a groove 44 and the blade is adapted by a groove 48 to receive the lock pin. During assembly the lock pin is slidable in the grooves 44,48 to bring the lock pin into engagement with the corresponding groove in a rotor blade in a corresponding groove in the disk.

REFERENCES:
patent: 1072457 (1913-09-01), Herr
patent: 2713991 (1955-07-01), Secord et al.
patent: 2755062 (1956-07-01), Hill
patent: 2942842 (1960-06-01), Hayes
patent: 2994507 (1961-08-01), Keller et al.
patent: 3656865 (1972-04-01), Spears, Jr.
patent: 3807898 (1974-04-01), Guy et al.

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