Two stage turbine rotor assembly

Details Two stage turbine rotor assembly Two stage turbine rotor assembly

1985-05-01

1987-05-12

Hershkovitz, Abraham

Fluid reaction surfaces (i.e., impellers)

Multiple axially spaced working members

F04D 2920

Patent

active

046645993

ABSTRACT:
A first turbine rotor hub 32 and a second turbine rotor hub 42 each have respective internal splines 52, 62 which engage coaxial, non-concentric external splines 54, 64 on a shaft 20 and are in thrust bearing relationship. The assembly requires no bolts between the rotor stages 30 and 40 to hold the two stages together. In another embodiment the turbine stages 30, 40 are part of a turbine module 5 which includes a stator assembly 94.

REFERENCES:
patent: 1288360 (1918-12-01), Zaar
patent: 2652271 (1953-09-01), Gaubatz
patent: 2689682 (1954-09-01), Boyd et al.
patent: 2908518 (1959-10-01), Gregory et al.
patent: 2960939 (1960-11-01), Buschhorn et al.
patent: 3222772 (1965-12-01), Leyner
patent: 3356339 (1967-12-01), Thomas et al.
patent: 4004860 (1977-01-01), Gee
patent: 4127359 (1978-11-01), Stephan

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