Turbo-generator

Details Turbo-generator Turbo-generator

1993-04-05

1994-02-08

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 55, 310 905, 290 52, H02K 5124, H02K 709, H02K 910, H02K 718

Patent

active

052851230

ABSTRACT:
A turbo-generator has a tapering cooling part positioned between a vapor turbine part and a generator part, and casings of these parts are combined together to form a sealed single-boundary structure. A turbine shaft in the vapor turbine part, a rotary shaft in the cooling part and a generator shaft in the generator part are combined unitarily and are supported by bearing parts in such a way that the unitary shaft does not pass from the boundary structure. The tapering cooling part has a smaller diameter at the side of the generator part, and the inner circumferential surface of the cooling part forms a labyrinth structure to separate the atmospheres of the vapor turbine part and the generator part.

REFERENCES:
patent: 1960744 (1934-05-01), Ljungstrom
patent: 2707244 (1955-04-01), Kilgore et al.
patent: 3210553 (1965-10-01), Cummings
patent: 4002023 (1977-01-01), Hartmann
patent: 4069673 (1978-01-01), Lapeyre
patent: 4295067 (1981-10-01), Binder et al.
patent: 4392063 (1983-07-01), Lindquist
patent: 4638173 (1987-01-01), Milton
patent: 5021697 (1991-06-01), Kralick
patent: 5083040 (1992-01-01), Whitford et al.
patent: 5126612 (1992-06-01), Girault

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