Hollow blade for a turbomachine

Details Hollow blade for a turbomachine Hollow blade for a turbomachine

1994-04-14

1995-04-18

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Hollow

416232, F01D 518

Patent

active

054073260

ABSTRACT:
A hollow blade for a turbomachine includes a unitary body having a multiplicity of transverse cavities in at least the aerofoil shaped portion of the blade, and plugs disposed within the cavities for restoring the surface continuity of the intrados and extrados faces of the aerofoil shaped portion, the plugs being rigidly secured to the unitary body, such as by welding.

REFERENCES:
patent: 1380431 (1921-06-01), Smith
patent: 1718061 (1929-06-01), Miller
patent: 1778340 (1930-10-01), Reed
patent: 1855589 (1932-04-01), Reed
patent: 2221722 (1940-11-01), Reynolds
patent: 2862686 (1958-12-01), Bartlett
patent: 2882974 (1959-04-01), Boegehold
patent: 3628226 (1971-12-01), Nelson
patent: 3761201 (1973-09-01), Silverstein et al.
patent: 4882823 (1989-11-01), Weisert et al.
Abstract of Japanese Patent 56 88902, Jul. 18, 1981.

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