Patent ID: 11867400
Assignee: PRATT & WHITNEY CANADA CORP.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 7:
8. A gas turbine engine comprising:
a compressor section and a turbine section;
a combustor intermediate said compressor section and said turbine section;
a gaseous fuel supply for delivering gaseous fuel into a mixing body in the combustor;
a liner surrounding the mixing body;
a wall of the mixing body having air openings to communicate air into mixing passages, at least one fuel opening in each of the mixing passages allows fuel to flow into the mixing passages and mix with the air, and passage sections downstream of a location of the fuel openings, such that said mixed air and fuel travel downstream of the location and into a combustion chamber;
the passage sections having baffles that create a tortuous path;
the fuel from the fuel supply passage passing into a fuel plenum, then into mixing passages through the at least one fuel opening; and
each of the mixing passages have at least one of the baffles with the at least one fuel opening to communicate fuel from the fuel plenum into the mixing passages.