System for attaching a rotor blade to a rotor disk

Details System for attaching a rotor blade to a rotor disk System for attaching a rotor blade to a rotor disk

1987-08-26

1988-03-15

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received in well or slot

416221, F01D 532

Patent

active

047309830

ABSTRACT:
A locking and sealing system is disclosed for attaching a rotor blade to a rotor blade disk in a turbojet engine. The system has a first split ring member which locks the rotor blade foot portion onto the rotor blade disk. A second split ring member is inserted between the first split ring member in a downstream flange of the rotor blade foot portions to provide a positive seal to prevent air leakage between the foot portions and the notches formed in the rotor disk.

REFERENCES:
patent: 3096074 (1963-07-01), Pratt et al.
patent: 3300179 (1967-01-01), Gooderum
patent: 3397865 (1968-08-01), Catlow et al.
patent: 3656865 (1972-04-01), Spears
patent: 3807898 (1974-04-01), Guy et al.
patent: 4019833 (1977-04-01), Gale
patent: 4108571 (1978-08-01), Mawson
patent: 4275990 (1981-06-01), Langley et al.
patent: 4389161 (1983-06-01), Brumen
patent: 4523890 (1985-06-01), Thompson

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