F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
170/71
F01D 5/18 (2006.01)
Patent
CA 1073818
HOLLOW TURBINE BLADE TIP CLOSURE ABSTRACT OF THE INVENTION An arrangement for closing selective areas of the tip portion of a hollow turbine blade having internal serpen- tine coolant passages is provided by radially extended wall portions at the tip of the blade along at least two sides of the outer ends of each two adjacent internal passages to be closed at the tip, retaining grooves provided in the facing surfaces of the extended wall portions, cover means overlie the outer ends of the selected adjacent passages and have opposite lateral edges received in the retaining grooves, and bond means secure the cover means along the lateral edges to the wall portions. The cover plate means preferably takes the form of two or more separable plates which can be inde- pendently inserted into the retaining grooves from an area on the tip portion of the blade which does not have the radially extended walls with retaining grooves therein.
282430
Allen James M.
Szewczuk Thomas M.
LandOfFree
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