Blade root feather seal

Details Blade root feather seal Blade root feather seal

1975-06-17

1977-06-14

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

416221, F01D 530

Patent

active

040294366

ABSTRACT:
A bladed rotor having blade slots in the periphery and peripheral lands between the slots, has a row of blades positioned in the slots with laterally extending platforms on the blades overlying the lands, the circumferential space between the outer edges of adjacent platforms, which space is radially outward of the associated lands, is closed by a flexible thin seal held axially and circumferentially in position under the space between the platforms.

REFERENCES:
patent: 2937849 (1960-05-01), Danforth
patent: 2942842 (1960-06-01), Hayes
patent: 3202398 (1965-08-01), Webb
patent: 3266771 (1966-08-01), Morley
patent: 3295825 (1967-01-01), Hall
patent: 3446482 (1969-05-01), Kydd
patent: 3709631 (1973-01-01), Karstensen et al.
patent: 3752598 (1973-08-01), Bowers et al.

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