Turbine blade attachment

Details Turbine blade attachment Turbine blade attachment

1987-08-17

1988-11-15

Garrett, Robert E.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Welded, cemented or fused

416193A, 291568B, F01D 530

Patent

active

047845732

ABSTRACT:
A bladed turbine disk has a plurality of air cooled blades. The disk has a substantially continuous impervious rim. Each blade has a platform and an impervious base with the cooling air inlet between the platform and base. Each blade base is diffusion bonded to the rim, preferably to a slightly raised plateau. The edge of the bond surface is accessable and free of stress concentration.

REFERENCES:
patent: 2347034 (1944-04-01), Doran
patent: 2380276 (1945-07-01), Warren
patent: 2657902 (1953-11-01), Williams
patent: 3588276 (1971-06-01), Jubb
patent: 3606573 (1971-09-01), Emmerson et al.
patent: 3700427 (1972-10-01), Hoppin III et al.
patent: 3749514 (1973-07-01), Kelch et al.
patent: 3768147 (1973-10-01), Berry et al.
patent: 4096615 (1978-06-01), Cross
patent: 4152816 (1979-05-01), Ewing et al.
patent: 4326835 (1982-04-01), Wertz

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