Rotor shaft

Details Rotor shaft Rotor shaft

2006-02-14

2006-02-14

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S090000, C310S152000, C310S156010, C464S179000, C403S292000, C403S301000

Reexamination Certificate

active

06998756

ABSTRACT:
The present invention provides a rotor shaft, comprising: a rod member (26); and a plurality of separately formed component parts (such as a compressor wheel10, a turbine wheel11and a rotor14of an electric generator) through which the rod member extends so that the plurality of component parts are joined together on an axis of the rod member, wherein mutually facing axial end surfaces of adjoining ones of the plurality of component parts are formed with annular projections (22, 23) having a substantially same radial dimension (or thickness) such that an outer circumferential surface of the annular projection of one component part can tightly contact an inner circumferential surface of the annular projection of an adjoining component part.

REFERENCES:
patent: 3282614 (1966-11-01), Entrikin
patent: 4935656 (1990-06-01), Kawamura
patent: 5964663 (1999-10-01), Stewart et al.

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