Turbine shaft having inserted disks

Details Turbine shaft having inserted disks Turbine shaft having inserted disks

1975-12-10

1977-06-14

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Multiple axially spaced working members

416244A, 403375, F01D 530

Patent

active

040294374

ABSTRACT:
The invention concerns a turbine shaft having stepped bearings on which ds are shrunk on. It is characterized in that the connecting surface between two successive bearings consists of two conical portions separated by a cylindrical portion and toroidal connecting portions between the cylindrical portion and the conical portions. The invention reduces the concentrations of stresses and applies more particularly to elastic fluid turbine shafts.

REFERENCES:
patent: 1980337 (1934-11-01), Hollander
patent: 2395704 (1946-02-01), Wislicenus
patent: 2660399 (1953-11-01), Robinson et al.
patent: 2901214 (1959-08-01), Slemmons
patent: 3070348 (1962-12-01), Vogel
patent: 3614261 (1971-10-01), Friese
patent: 3645570 (1972-02-01), Johansson et al.
patent: 3797865 (1974-03-01), Ballentine

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