Tip seal and anti-contamination for turbine blades

Details Tip seal and anti-contamination for turbine blades Tip seal and anti-contamination for turbine blades

1992-10-27

1995-12-19

Jordan, Charles T.

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

416 96R, F01D 518

Patent

active

054763649

ABSTRACT:
A cavity judiciously dimensioned and located adjacent the tip's surface discharge port of internally cooling passage of the airfoil of the turbine blade of a gas turbine engine and extending from the pressure surface to the back wall of the discharge port guards against the contamination and plugging of the discharge port.

REFERENCES:
patent: 3055633 (1963-09-01), Pouit
patent: 3533712 (1970-10-01), Kercher
patent: 4073599 (1978-02-01), Allen et al.
patent: 4197443 (1980-04-01), Sidenstick
patent: 4390320 (1983-06-01), Eiswerth
patent: 4676719 (1987-06-01), Auxier et al.
patent: 4705455 (1987-11-01), Sahm et al.
patent: 5030060 (1991-07-01), Liang
"A Review of Blade-Cooling Systems" by R. I. Hodge and I. H. Johnston Part 2-from the Oil Engine, Feb., 1958.

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