Patent ID: 8091368
Filing Date: 2012-01-10
Classification: F23R

Abstract:
1. A turbomachine combustion chamber comprising: a chamber bottom with at least one opening; a flared combustion bowl which is received in the at least one opening of the chamber bottom, a downstream end of the flared bowl including a divergent; an air and fuel injection device mounted in the flared bowl along an axis of the flared bowl, wherein the divergent includes a first outer partition and a second inner partition arranged coaxially along the axis of the flared bowl so as to define therebetween an annular cavity, wherein each of the first outer partition and the second inner partition includes an upstream axial portion, a downstream radial portion, and a frustoconical portion connecting the upstream axial portion to the downstream radial portion, wherein the first outer partition includes inlet orifices arranged to cool the second inner partition by impact and the second inner partition includes outlet orifices, and wherein the inlet orifices are distributed in at least two circular rows on a periphery of the divergent and are in staggered rows with the outlet orifices.