Patent ID: 9617865
Date: 2017-04-11
CPC Classifications: B22F,B23K,B23P,B33Y,F01D,F04D,Y02P,Y02T,Y10T

Claim:
1. A guide vane for a turbomachine comprising: an upper trailing edge and a lower trailing edge, the guide vane being axially pivotably coupled to a radially outwardly disposed flow-limiting wall and to a radially inwardly disposed inner ring of the turbomachine, a trailing edge gap being formed between the upper trailing edge of the guide vane and the flow-limiting wall or between the lower trailing edge of the guide vane and the inner ring, wherein the upper trailing edge or the lower trailing edge of the guide vane has at least one air outlet opening for an air outflow for forming an air curtain for at least partially sealing the trailing edge gap in the area of the upper trailing edge or the trailing edge gap in the area of the lower trailing edge; wherein the guide vane has a blade surface, the air outlet opening communicating air-conductively via at least one channel with at least one air inlet opening on the blade surface; and wherein the air inlet opening is configured on a pressure side of the guide vane.