Turbomachinery vane or blade with cooled platforms

Details Turbomachinery vane or blade with cooled platforms Turbomachinery vane or blade with cooled platforms

1975-10-14

1977-04-12

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

Changing state mass within or fluid flow through working...

415115, F01D 518

Patent

active

040172139

ABSTRACT:
A turbomachinery vane or blade with cooled platforms including provision for film cooling the inner and outer surfaces of the platform forward portion, including cooling fluid cavities in the platform on both the pressure and suction sides of the vane or blade airfoil for cooling this region of the platform by a combination of impingement, convection and film cooling, and a selective array of drilled holes extending through the platform trailing edge for convection cooling thereof.

REFERENCES:
patent: 3433015 (1969-03-01), Sneeden
patent: 3515499 (1970-06-01), Beer et al.
patent: 3527543 (1970-09-01), Howald
patent: 3529902 (1970-09-01), Emmerson et al.
patent: 3610769 (1971-10-01), Schwedland et al.
patent: 3628880 (1971-12-01), Smuland et al.
patent: 3644060 (1972-02-01), Bryan
patent: 3726604 (1973-04-01), Helms et al.
patent: 3800864 (1974-04-01), Hauser et al.

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