Patent ID: 9181808
Filing Date: 2015-11-10
Classification: F01D,F05D

Abstract:
1. A blade or vane component of a turbomachine, comprising: an inner space between two opposite inner walls of the component forming a passage way for a cooling fluid towards a fluid outlet at the trailing edge of the component, a plurality of ribs projecting from the two opposite inner walls forming a plurality of channels on each of the two opposite inner walls to guide the cooling fluid towards the trailing edge, wherein the ribs on the opposite sides are inclined relative to each other to form a matrix arrangement, wherein the plurality of channels on the two opposite inner walls fluidically intersect with each other in the matrix arrangement, wherein the inner space is divided into a leading section towards a leading edge of the component and a trailing section towards the trailing edge of the component, wherein the ribs are arranged in the leading section, wherein the component further comprises a plurality of pin-fins projecting from the two opposite inner walls arranged in the trailing section in a discrete manner, wherein the component further comprises an intermediate section between the leading section and the trailing section, wherein the intermediate section comprises ribs and pin-fins, and wherein the ribs are connected to at least some of the pin-fins in the intermediate section.