Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Patent
1991-06-19
1991-12-17
Kwon, John T.
Fluid reaction surfaces (i.e., impellers)
With heating, cooling or thermal insulation means
Changing state mass within or fluid flow through working...
416 97R, F01D 518
Patent
active
050730860
ABSTRACT:
A gas turbine engine turbine aerofoil blade includes an aerofoil portion having pressure and suction flanks. The flanks are internally interconnected by wall member which cooperates with the flanks to define first and second cooling passage portions which are interconnected by a bend portion. The wall member is locally thickened adjacent the bend portion. In the second cooling passage portion the locally thickened wall member portion progressively increases in thickness towards at least one of the flanks so as to eliminate any acute angle between the flanks and the thickened wall member portion adjacent thereto.
REFERENCES:
patent: 4416585 (1983-11-01), Abdel-Messeh
patent: 4604031 (1986-08-01), Moss et al.
patent: 4786233 (1988-11-01), Shizuya et al.
Kwon John T.
Rolls-Royce plc
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