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

Claim 0:
1. 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 the internal wall and the annular gap widen upstream.