Multiple lug blade to disk attachment

Details Multiple lug blade to disk attachment Multiple lug blade to disk attachment

1986-12-29

1988-08-30

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Axially extending shroud ring or casing

416217, 416219R, F01D 530

Patent

active

047672749

ABSTRACT:
Structure for retaining rotor blades of a disk and blade assembly of a rotary machine is disclosed. A plurality of blade lugs extend from beneath the platform of each rotor blade into engagement with a corresponding plurality of disk slots. In a preferred form the disk slots are formed to a helical geometry across the periphery of the disk.

REFERENCES:
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patent: 4321012 (1982-03-01), Tan
patent: 4483054 (1984-11-01), Ledwith

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