Patent ID: 11971171
Assignee: SIEMENS ENERGY GLOBAL GMBH & CO. KG
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 21:
22. A pilot cone for use in a burner arrangement, comprising:
a covering which widens downstream along a burner axis and which is passed through by cooling air passages, and having an internal wall which extends upstream from an upstream end of the covering;
an annular gap which extends at the radially external side along the internal wall and comprising cooling air openings which produce a connection from the annular gap to the cooling air passages; and
an external wall which extends upstream with spacing from the internal wall from the covering and which delimits the annular gap at the radially external side;
wherein the internal wall comprises apertures; and
wherein an annular distributor which is connected to the cooling air openings and to first cooling air passages is arranged in the covering, wherein the first cooling air passages branch off from the annular distributor.