Platform for a turbomachinery blade

Details Platform for a turbomachinery blade Platform for a turbomachinery blade

1976-02-27

1977-04-26

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Articulated, resiliently mounted or self-shifting impeller...

Resilient bias or mount

416193A, 416239, 416248, 416219R, B64C 1106, F01D 700

Patent

active

040198324

ABSTRACT:
A turbomachinery blade platform comprising a pair of complementary platform halves, each having an outer flow path defining shroud adapted to extend generally laterally of the blade. An inner flange on each platform half, also extending generally laterally of the blade, is retained in a cooperating slot formed within the support structure retaining the blade. A structural member extending between the shroud and the flange is contoured to conform to an overlapping wedging surface disposed about the blade airfoil surface. The platform is thus provided with redundant retention by both the blade and by the blade support structure.

REFERENCES:
patent: 2819870 (1958-01-01), Wayne
patent: 2877980 (1959-03-01), Stalker
patent: 2936155 (1960-05-01), Howell et al.
patent: 2967043 (1961-01-01), Dennis
patent: 2986375 (1961-05-01), Stalker
patent: 3487879 (1970-01-01), McCarthy et al.
patent: 3801222 (1974-04-01), Violette
patent: 3810711 (1974-05-01), Emmerson et al.
patent: 3860361 (1975-01-01), McMurtry et al.
patent: 3905722 (1975-09-01), Guy et al.

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