涡轮增压器的涡轮壳体

Turbocharger turbine housing

Abstract

本发明涉及一种涡轮增压器涡轮壳体。该涡轮增压器涡轮壳体可以包括:限定涡轮叶轮开口的基部,该涡轮叶轮开口包括限定轴向方向的轴线;限定排气进口的排气进口凸缘;限定排气出口的排气出口凸缘;废气门轴孔、废气门通道、用于该废气门通道的废气门开口、和设置在该废气门开口周围的废气门座;凸台,其中每个凸台限定冷却剂开口;与至少两个冷却剂开口流体连通的螺旋冷却剂通道,其中螺旋冷却剂通道包括相对于涡轮增压器涡轮壳体的轴向尺寸的至少两个卷绕部;及与螺旋冷却剂通道的至少两个卷绕部中的至少两个卷绕部流体连通的至少一个冷却剂通道。
A turbocharger turbine housing can include a base that defines a turbine wheel opening that includes an axis that defines an axial direction; an exhaust inlet flange that defines an exhaust inlet; an exhaust outlet flange that defines an exhaust outlet; a wastegate shaft bore, a wastegate passage, a wastegate opening for the wastegate passage and a wastegate seat disposed about the wastegate opening; bosses where each of the bosses defines a coolant opening; a spiral coolant passage in fluid communication with at least two of the coolant openings where the spiral coolant passage includes at least two windings with respect to an axial dimension of the turbocharger turbine housing; and at least one coolant passage that is in fluid communication with at least two of the at least two windings of the spiral coolant passage.

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