Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Patent
1983-04-19
1984-07-24
Marcus, Stephen
Fluid reaction surfaces (i.e., impellers)
With heating, cooling or thermal insulation means
Changing state mass within or fluid flow through working...
416 97R, 415115, F01D 518
Patent
active
044616120
ABSTRACT:
An aerofoil, particularly a nozzle guide vane, for a gas turbine engine comprises a hollow interior with an air guide tube located therein. The air guide tube has apertures therein, and in order to cause the free edges of the apertures to seal against internal ribs of the aerofoil, springs are provided to force the open edges apart. Conveniently the springs comprise straps between the apertures which are formed with a corrugated shape.
REFERENCES:
patent: 3930748 (1976-01-01), Redman et al.
patent: 4063851 (1977-12-01), Weldon
patent: 4257734 (1981-03-01), Guy et al.
patent: 4403917 (1983-09-01), Laffitte et al.
Marcus Stephen
Pitko Joseph M.
Rolls-Royce Limited
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