Patent ID: 8696308
Filing Date: 2014-04-15
Classification: F01D,F05D

Abstract:
1. A variable geometry turbine comprising: a turbine wheel mounted for rotation about a turbine axis within a housing, the housing defining an annular inlet surrounding the turbine wheel and defined between first and second inlet sidewalls, the annular inlet being divided into at least two axially offset inlet portions; a cylindrical sleeve axially movable across the annular inlet to vary the size of a gas flow path through the inlet; and a guide for guiding the movement of the cylindrical sleeve, the guide being at least partially located within the inlet at a radially extent of the inlet portions, and extending in an axial direction parallel to the turbine axis; wherein the guide comprises one or more elongate members; and wherein the elongate members are located at an outer radially extent of the inlet portions if the sleeve has an inner diameter that is greater than an outer diameter of inlet portions.