Shroud for a turbomachine combustion chamber

Details Shroud for a turbomachine combustion chamber Shroud for a turbomachine combustion chamber

2006-02-01

2010-10-05

Cuff, Michael (Department: 3741)

Power plants

Combustion products used as motive fluid

Combustion products generator

C060S798000, C060S800000

Reexamination Certificate

active

07805943

ABSTRACT:
A shroud for a combustion chamber bottom designed to cover fuel injectors is provided with drillings on at least one of its sides to open up the cavity within the shroud and reduce noise that it produces and combustion instabilities. The drillings also have the effect of reducing instabilities and non-uniformity of the airflow around the shroud.

REFERENCES:
patent: 2901032 (1959-08-01), Brola
patent: 3500639 (1970-03-01), Stamm
patent: 5181379 (1993-01-01), Wakeman et al.
patent: 5524430 (1996-06-01), Mazeaud et al.
patent: 6792757 (2004-09-01), Borns et al.
patent: 7062920 (2006-06-01), McMasters et al.
patent: 199 00 025 (2000-07-01), None
patent: 0 562 792 (1993-09-01), None
patent: WO 2004/113794 (2004-12-01), None

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