Hollow fan moving blade

Details Hollow fan moving blade Hollow fan moving blade

1992-08-21

1994-03-29

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Hollow

416 96A, 416232, F01D 518

Patent

active

052979377

ABSTRACT:
A hollow rotor blade of a gas turbine includes a shaped core accommodated within a hollow space formed between two skins and joined to the skins. The fatigue strength at a portion where the skins are joined to the core is enhanced. More specifically, the portions of the skins joined with the core are in the form of island-shaped protrusions, and the core is joined to these protrusions by solid-phase diffusion bonding, diffusion-brazing, liquid-phase diffusion bonding, and the like.

REFERENCES:
patent: 3222774 (1965-12-01), Kump et al.
patent: 3566493 (1971-03-01), Poucher et al.
patent: 3806276 (1974-04-01), Aspinwall
patent: 3858290 (1975-01-01), Albani
patent: 4043498 (1977-08-01), Conn
patent: 4208222 (1980-06-01), Barlow et al.
patent: 4583914 (1986-04-01), Craig et al.
patent: 4604780 (1986-08-01), Metcalfe
patent: 4768700 (1988-09-01), Chen

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