Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Patent
1977-08-04
1980-06-10
Bentley, Stephen C.
Fluid reaction surfaces (i.e., impellers)
With heating, cooling or thermal insulation means
Changing state mass within or fluid flow through working...
415115, 165105, F01D 518
Patent
active
042070279
ABSTRACT:
A stator aerofoil blade for a gas turbine engine is manufactured in the form of a heat pipe so that during engine operation, the blade remains substantially isothermal. Localized thermal gradients within the blade are minimized thereby reducing the possibility of blade distortion or cracking.
A shroud ring for a gas turbine engine is manufactured in the form of a heat pipe so that during engine operation, the ring remains substantially isothermal. Localized thermal gradients within the ring are minimized, thereby reducing the possibility of ring distortion occurring.
REFERENCES:
patent: 2744723 (1956-05-01), Roush
patent: 3287906 (1966-11-01), McCormick
patent: 3334685 (1967-08-01), Burggraf et al.
patent: 4019571 (1977-04-01), Kosson et al.
patent: 4108239 (1978-08-01), Fries
Francis W. Sears, Mechanics, Heat and Sound, 1950, pp. 325-329.
Feldman et al., "The Heat Pipe", Mechanical Engineering, Feb. 1967, vol. 89, No. 2, pp. 30-33.
Allen Susan M.
Artt David W.
Barry Brian
Bentley Stephen C.
Rolls-Royce Limited
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