Rotor blade with platform support and damper positioning means

Details Rotor blade with platform support and damper positioning means Rotor blade with platform support and damper positioning means

1992-11-24

1994-02-08

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Miscellaneous

416500, F01D 510

Patent

active

052844218

ABSTRACT:
A rotor blade having axially spaced gussets disposed between a root portion and a platform is disclosed. Various construction details are developed which provide a gusset providing both platform support and damper positioning means. In one particular embodiment, a rotor blade assembly includes a plurality of circumferentially spaced rotor blades having dampers disposed between adjacent blades, wherein each blade includes an axially spaced pair of gussets extending laterally from the rotor blade. The gussets extend from a root portion of the rotor blade to a platform and provide radial support of the platform during rotation of the rotor assembly. The gussets include a curved lateral edge which, during rotation of the rotor assembly, urges the damper away from the root portion of the blade.

REFERENCES:
patent: 3666376 (1972-05-01), Damlis
patent: 3887298 (1975-06-01), Hess et al.
patent: 4101245 (1978-07-01), Hess et al.
patent: 4182598 (1980-01-01), Nelson
patent: 4455122 (1984-06-01), Schwarzmann et al.
patent: 5228835 (1993-07-01), Chlus

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