Bladed rotor with retention plates and locking member

Details Bladed rotor with retention plates and locking member Bladed rotor with retention plates and locking member

1996-08-08

1997-09-02

Verdier, Christopher

Fluid reaction surfaces (i.e., impellers)

With weight-balancing means

Self-shifting or selectively adjustable mass

416193A, 416220R, F01D 510, F01D 532

Patent

active

056624581

ABSTRACT:
A bladed rotor for the high pressure compressor of a gas turbine engine comprises a disc carrying an annular array of aerofoil blades in axially extending fir tree root slots. Retention plates carried in radially inner and outer slots prevent axial movement of the blade roots in their slots. A locking member is interposed between an adjacent pair of retention plates to prevent their circumferential movement relative to the disc. The locking member in turn interacts with the disc to anchor itself to the disc.

REFERENCES:
patent: 4108571 (1978-08-01), Mauson
patent: 4730983 (1988-03-01), Naudet et al.
patent: 5256035 (1993-10-01), Norris et al.
Great Britain Search Report for Great Britain Application 9517369.6, dated Nov. 13, 1995.

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