Turbine rotor

Details Turbine rotor Turbine rotor

1983-10-14

1985-04-09

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Multiple axially spaced working members

416201R, F01D 506

Patent

active

045099006

ABSTRACT:
A turbine rotor has a shaft, a plurality of wheel discs shrunk-fit on said shaft along the axial direction thereof, said wheel discs being provided with blades on the outer circumference thereof. A plurality of coupling members are disposed between the wheel discs except the ones disposed most downstream, for coupling the wheel discs to each other. At least one coupling means is disposed between the wheel disc disposed most downstream of the shaft.

REFERENCES:
patent: 1107238 (1914-08-01), Kieser
patent: 2497151 (1950-02-01), Clark et al.
patent: 3070348 (1962-12-01), Vogel
patent: 4029437 (1977-06-01), Aubry et al.
patent: 4330236 (1982-05-01), Le Breton
Proceedings 1979, vol. 193, No. 11, p. 98--FIG. 6, UK Experience of Stress Corrosion Cracking in Steam Turbine Discs.

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