Platform motion restraints for freestanding turbine blades

Details Platform motion restraints for freestanding turbine blades Platform motion restraints for freestanding turbine blades

1992-01-31

1993-09-07

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Miscellaneous

416193A, 416219R, 416500, B63H 120

Patent

active

052422704

ABSTRACT:
A platform motion restraint for freestanding blades having Christmas tree shaped roots comprising a plurality of L shaped members which fit in circumferential notches machined in the outer portion of rotor steeples, one leg of the L shaped member being forced into the groove under platform portions of the blade to move the blades radially outward and the other leg filling the gap between adjacent blades.

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patent: 3112914 (1963-12-01), Wellman
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patent: 3202398 (1965-08-01), Webb
patent: 3575522 (1971-04-01), Melenchuck
patent: 3904317 (1975-09-01), Cardin et al.
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patent: 4915587 (1990-04-01), Pisz et al.
patent: 5067876 (1991-11-01), Moreman, III
patent: 5123813 (1992-06-01), Przytulski et al.

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