Assembling an annular combustion chamber of a turbomachine

Details Assembling an annular combustion chamber of a turbomachine Assembling an annular combustion chamber of a turbomachine

2006-06-06

2010-12-14

Casaregola, Louis (Department: 3741)

Power plants

Combustion products used as motive fluid

Coaxial combustion products generator and turbine

C060S753000, C060S800000

Reexamination Certificate

active

07849696

ABSTRACT:
An annular combustion chamber comprising axial walls interconnected by a chamber end wall having a coefficient of thermal expansion that is different from that of the axial walls, the chamber end wall being provided with a plurality of inner and outer fastener tabs secured by fastener systems to the end portions of the axial walls. Each fastener system comprises a bolt, a nut tightened onto one of the ends of the bolt, and a slideway bushing disposed around the bolt between the nut and the end portion of the corresponding axial wall, a determined amount of radial clearance being provided between the nut and the end portion of the axial wall so as to enable the chamber end wall to expand radially freely in operation relative to the axial walls.

REFERENCES:
patent: 6647729 (2003-11-01), Calvez et al.
patent: 6655148 (2003-12-01), Calvez et al.
patent: 6904757 (2005-06-01), Mitchell et al.
patent: 2005/0000228 (2005-01-01), De Sousa et al.
patent: 1 265 031 (2002-12-01), None
patent: 1 265 033 (2002-12-01), None
patent: 1 431 665 (2004-06-01), None
patent: 1 479 975 (2004-11-01), None

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