Patent ID: 11867392
Assignee: PRATT & WHITNEY CANADA CORP.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 10:
11. A gas turbine engine comprising:
a compressor section and a turbine section with an intermediate combustor;
the combustor having a liner defining a combustion chamber, the liner receiving an air and fuel mixing body; and
the mixing body including a forward face facing into the combustion chamber and a plurality of circumferentially spaced columns of supply passages about a central axis of the combustor, the supply passages comprising at least two fuel supply passages and at least two air supply passages extending to said forward face in each of said columns, with at least one of said at least two air supply passages and one of said at least two fuel supply passages extending along a direction with a circumferentially extending component in a first circumferential direction, and an other of said at least two air supply passages and an other of said at least two fuel supply passages extending with a circumferential component in a second opposed circumferential direction.