Combustion turbine single airfoil stator vane structure

Details Combustion turbine single airfoil stator vane structure Combustion turbine single airfoil stator vane structure

1982-02-02

1985-04-16

Jillions, John M.

Rotary kinetic fluid motors or pumps

Including thermal expansion joint

Radially sliding

415190, F01D 902, F01D 904

Patent

active

045113068

ABSTRACT:
A one-piece, investment cast stator structure is provided including inner and outer shrouds 14 and 12 with a hollow airfoil-shaped vane therebetween and with areas 34, 36, 42 and 44 in the vicinity of the intersections of the shrouds with the airfoil vane walls being of reduced thickness relative to the remainder of the shrouds to provide improved properties of the material in these areas to better respond to thermal stresses imposed on the structure.

REFERENCES:
patent: 2497041 (1950-02-01), Bodger
patent: 2811331 (1957-10-01), Wiegand
patent: 3423071 (1969-01-01), Noren
patent: 3511577 (1970-05-01), Karstensen
patent: 3689174 (1972-09-01), Rahaim et al.
patent: 3728041 (1973-04-01), Bertelson
patent: 3841787 (1974-10-01), Scalzo
patent: 4083648 (1978-04-01), Asplund
patent: 4141127 (1979-02-01), Cretella et al.
patent: 4288201 (1981-09-01), Wilson

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