Patent ID: 11927115
Assignee: SIEMENS ENERGY GLOBAL GMBH & CO. KG
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 12:
13. A guide vane in a gas turbine engine, the guide vane comprising: an airfoil extending between an inner platform and an outer platform, the airfoil comprising a pressure sidewall and a suction sidewall collectively meeting at a leading edge and a trailing edge, the pressure sidewall and the suction sidewall defining an airfoil interior; and a plurality of pin fins disposed in the airfoil interior, the plurality of pin fins being arranged in rows that extend between the leading edge and the trailing edge and in columns that extend between the inner platform and the outer platform for cooling of the airfoil interior, wherein the inner platform comprising an outer surface, an inner surface, and a side surface, and wherein the side surface of the inner platform defines a first inner seal slot, a second inner seal slot, and a third inner seal slot, wherein the second inner seal slot is spaced apart from the first inner seal slot and meets the first inner seal slot, wherein the third inner seal slot extends between the first inner seal slot and the second inner seal slot, and wherein the first inner seal slot, the second inner seal slot, and the third inner seal slot forming a closed loop having three inner corners at the inner platform.