Turbine engine component and method of making the same

Details Turbine engine component and method of making the same Turbine engine component and method of making the same

1985-04-25

1988-03-01

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Including thermal expansion joint

Radially sliding

415217, 164 35, 164361, 164516, F01D 902

Patent

active

047282584

ABSTRACT:
To form a turbine engine component, metal airfoils are positioned in an annular array. Outer end portions of the airfoils are embedded in a wax outer shroud ring pattern and inner end portions of the airfoils are embedded in a wax inner shroud ring pattern. A mold is formed by covering the metal airfoils and the shroud ring patterns with ceramic mold material. The wax of the shroud ring patterns is then removed from the mold to leave inner and outer shroud ring mold ring cavities. The shroud ring mold cavities are filled with molten metal which is solidified to form inner and outer shroud rings interconnecting the airfoils. To accommodate thermal expansion of the airfoils relative to the shroud rings, a slip joint is provided between at least one end portion of each of the airfoils and a shroud ring. To enable the slip joint to be formed, molten metal solidifies in the shroud ring to be formed, molten metal solidifies in the shroud ring cavities free of metallurgical bonds to the airfoils. The shroud rings may be formed of metal having different compositions and crystallographic structures than the metal of the airfoils.

REFERENCES:
patent: 1005736 (1911-10-01), Wilkinson
patent: 2402418 (1943-01-01), Kroon
patent: 2681788 (1951-05-01), Wosika
patent: 3075744 (1960-08-01), Peterson
patent: 3848654 (1974-11-01), Boyle et al.
patent: 4008052 (1977-02-01), Vishnevsky et al.
patent: 4195396 (1980-04-01), Blazek
patent: 4195683 (1980-04-01), Blazek
patent: 4464094 (1984-08-01), Gerken
patent: 4561491 (1985-12-01), Slack
Aerospace Propulsion Powerplants, pp. 576, 577, Cargnino & Karninen, 1967.

Affiliated with

Also associated with

Rating

Turbine engine component and method of making the same does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Turbine engine component and method of making the same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Turbine engine component and method of making the same will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-995057