Diaphragm with cast nozzle blocks, and method of...

Details Diaphragm with cast nozzle blocks, and method of... Diaphragm with cast nozzle blocks, and method of...

F - Mech Eng,Light,Heat,Weapons

01

D

26/148, 170/80

F01D 9/02 (2006.01) F01D 9/04 (2006.01)

Patent

CA 1036496

ABSTRACT OF THE DISCLOSURE A turbine diaphragm assembly comprising a hub and a spaced retaining ring with an arcuate array of investment cast nozzle blocks having interfitting shroud segments disposed there- between with the exit edges of the nozzle blades being substan- tially radially disposed and the flow passages having constantly uniform throats throughout the full radial extents thereof to maximize turbine efficiency. Manufacture is effected by arcuately grooving the front side of a plate. disposing the arcuate nozzle block array in the groove and bonding the same therein, and removing the web from the other side of the plate to open the flow passages.

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