Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Patent
1982-03-19
1993-04-13
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...
416 95, F01D 518
Patent
active
052016340
ABSTRACT:
A rotary aerofoil blade is provided with closed cycle sodium cooling. The blade has a shank portion which contains a chamber which is in turn partially occupied by an air cooled core member. The core member serves to condense sodium vapor from the aerofoil portion of the blade. Gutter members within the chamber capture the condensed sodium as it is cenrifuged towards the aerofoil portion and direct it into a further chamber within the blade shank portion from when it flows into passages adjacent the external surface of the aerofoil portion. The high temperature of the aerofoil portion vaporizes the sodium which is then pumped by vapor pressure gradients back to cooled core member whereupon the cycle is repeated.
REFERENCES:
patent: 2782000 (1957-02-01), Ledinegg
patent: 3314650 (1967-04-01), McCormick
patent: 3515499 (1970-06-01), Beer et al.
patent: 3738771 (1973-06-01), Delarbre et al.
patent: 4190398 (1980-02-01), Corsmeier et al.
patent: 4302153 (1981-11-01), Tubbs
Bentley Stephen C.
Rolls-Royce plc
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