U.S. Patent Specifications

Abstract

In combination in a cooled turbine blade, a sheet metal hollow stem means having a plurality of splines formed therein defining a plurality of chordwise spaced flutes between said splines, a sheet metal skin enclosing said stem means and fixed to said splines for support thereby, a plurality of chordwise spaced stem fins positioned in each said flute and fixed to the surface of said stem means by fused metal defining coolant flow passages directed spanwise along a major portion of the spanwise length of said stem means, said fins being spaced inward from said skin and free of fused metal contact therewith along the major spanwise length of each said fin, and means forming openings in the end wall of said blade in communication with said coolant flow passages for the flow of a coolant therethrough.

Citation

(1959), "U.S. Patent Specifications", Aircraft Engineering and Aerospace Technology, Vol. 31 No. 11, pp. 350-350. https://doi.org/10.1108/eb033183