Adjustable guide vane for turbine of turbocharger, has carrier ring that is formed from material with low expansion coefficient and high thermal conductivity to reduce first gap

摘要

The guide vane has a carrier ring (10) that is rotatably provided with several guide vanes (11). The carrier ring is arranged opposite to a contour of a sleeve (12) so that the guide vanes are rotatably positioned between the carrier ring and contour of the sleeve. A first gap (13) is formed between the contour of the sleeve and vanes. A second gap (14) is formed between the carrier ring and vanes. The carrier ring is formed from a material with low expansion coefficient and high thermal conductivity to reduce the first gap.