Diffuser for a gas turbine, and gas turbine for power...

Details Diffuser for a gas turbine, and gas turbine for power... Diffuser for a gas turbine, and gas turbine for power...

2004-07-16

2009-08-18

Casaregola, Louis J (Department: 3741)

Power plants

Combustion products used as motive fluid

Combustion products generator

C060S751000, C060S806000

Reexamination Certificate

active

07574864

ABSTRACT:
The invention relates to a gas turbine, for energy generation, with a compressor, arranged coaxially to a rotor, mounted such as to rotate, for the compression of an inlet gaseous fluid, at least partly serving for combustion of a fuel in a subsequent annular combustion chamber, with generation of a hot working medium, with an annular diffuser arranged coaxially to the rotor, between the compressor and the annular combustion chamber, for distribution and deflection of the fluid, whereby a part of the fluid is diverted as cooling fluid for the turbine stages after the combustion chamber, by means of a dividing element, arranged in the fluid flow. According to the invention, a compact diffuser and an economical gas turbine with an improved flow for the diversion of cooling air may be achieved, whereby the annular dividing element, arranged coaxially to the rotor, comprises at least one opening, facing the fluid flow and the dividing element is supported on the diffuser, by means of several hollow rib-like support elements, by means of which the cooling fluid, diverted through the opening, is first directed towards the rotor.

REFERENCES:
patent: 3299632 (1967-01-01), Wilde et al.
patent: 4194359 (1980-03-01), Brookman et al.
patent: 4796429 (1989-01-01), Verdouw
patent: 4870826 (1989-10-01), Daguet et al.
patent: 5619855 (1997-04-01), Burrus
patent: 5996331 (1999-12-01), Palmer
patent: 196 39 623 (1998-04-01), None
patent: 1 074 792 (2001-02-01), None
patent: 2 706 533 (1994-12-01), None

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