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

1983-06-21

Casaregola, Louis J.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received in well or slot

F01D 532

Patent

active

043891616

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, at least two rotor blades 42 and a scalloped lock pin 52. The scalloped lock pin has lugs 54. The disk is adapted by a groove 40 and each blade is adapted by a groove 48 to receive the scalloped lock pin. During assembly the scalloped lock pin is alignable with blade attachment slots 44 in the disk to enable insertion of the blades and is slidable in the grooves 40, 48 to bring each lug 54 on the scalloped pin into engagement with a corresponding groove in a rotor blade.

REFERENCES:
patent: 1072457 (1913-09-01), Herr
patent: 1303090 (1919-05-01), McCray
patent: 2713991 (1955-07-01), Secord et al.
patent: 2755062 (1956-07-01), Hill
patent: 2994507 (1961-08-01), Keller et al.
patent: 3807898 (1974-04-01), Guy et al.

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