Patent ID: 8087491

Claim:
A silencer for a gas turbine, comprising: a first duct portion; a second duct portion connected to the first duct portion, the first and second duct portions forming an elbow region at the connection, the elbow region having an inlet plane and an outlet plane that are perpendicular to one another; and a plurality of elbow shaped vanes provided in the elbow region, each vane being symmetrical about a line of symmetry extending through the elbow region at an angle to the inlet and outlet planes, wherein the elbow region has a first flow path region having a cross section corresponding to a cross section of the first duct portion at the connection, a second flow path region defined by the plurality of elbow shaped vanes that have equal lengths and are spaced equally apart, and a third flow path region having a cross section corresponding to a cross section of the second duct portion at the connection.