Patent ID: 7849696

Claim:
An annular combustion chamber comprising outer and inner axial walls connected together at their upstream ends by a chamber end wall having a coefficient of thermal expansion different from that of said axial walls, said chamber end wall being provided with a plurality of inner and outer fastener tabs secured by respective fastener systems to upstream end portions of the inner and outer walls, each fastener system comprising a bolt passing through one of the fastener tabs and the upstream end of the corresponding axial wall, and a nut tightened onto one of the ends of the fastener bolt, wherein each fastener system further comprises a slideway bushing disposed around the fastener 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 allow the chamber end wall to expand freely in a radial direction relative to the axial walls.