Fluid-coated turbine rator disc for a gas turbine engine

Details Fluid-coated turbine rator disc for a gas turbine engine Fluid-coated turbine rator disc for a gas turbine engine

1997-05-07

1999-01-12

Verdier, Christopher

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

416244A, 415177, 415180, F01D 508

Patent

active

058578358

ABSTRACT:
A rotor disc (15) has an axially enlarged hub portion (18) with a bore (20) through which a turbine shaft (19) extends in a coaxial, radially spaced apart relationship, the annular gap between the hub portion (18) and the shaft (19) receives a flow of temperature regulating fluid. The shaft (19) is provided with axially extending elongate projections (22) to increase the turbulence and relative velocity of the temperature regulating fluid adjacent the projections (22).

REFERENCES:
patent: 2636665 (1953-04-01), Lombard
patent: 2908518 (1959-10-01), Gregory et al.
patent: 3222772 (1965-12-01), Leyner
patent: 4184797 (1980-01-01), Anderson et al.
patent: 5533825 (1996-07-01), Stone
patent: 5586860 (1996-12-01), Bertrand et al.
patent: 5647683 (1997-07-01), Easley

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