Honeywell International Inc.

Garrett Transportation I Inc.

Scott MacKenzie

Ashraf Mohamed

Shakeel Nasir

Mark Eldo Groskreutz

Todd Andrew Ratke

David Strott

Umesh V Padhye

Todd Ratke

A vane for a turbine assembly of a turbocharger includes an airfoil that has a pair of flow surfaces disposed between a hub end and a shroud end and a leading edge and a trailing edge where the airfoil further includes a non-zero sweep angle, a non-zero lean angle, a non-zero twist angle or any two or more combinations thereof. Various other examples of devices, assemblies, systems, methods, etc., are also disclosed.

Vanes for directing exhaust to a turbine wheel

A vane for a turbine assembly of a turbocharger includes a first airfoil that includes a length between a leading edge and a trailing edge, a second airfoil that includes a length between a leading edge and a trailing edge where the length of the first airfoil optionally differs from the length of the second airfoil, and one or more intra-vane throats defined at least in part by the first airfoil and the second airfoil. Various other examples of devices, assemblies, systems, methods, etc., are also disclosed.

Multiple airfoil vanes

A method for calibrating an actuator system for a turbocharger variable nozzle, the actuator system comprising an electronically controllable actuator coupled with a variable-geometry member of the nozzle and operable for causing movement thereof, and an electronic controller operable for controlling the actuator, the electronic controller having a memory for storing data. The method comprises (a) supplying a flow of fluid through the nozzle, (b) causing a continuous or stepwise movement of the actuator so as to move the variable-geometry member to cause a continuous or stepwise change in flow rate of the fluid through the nozzle, monitoring the changing flow rate, and recording at least two different points representing two different actuator positions and corresponding flow rates, and (c) storing in the memory of the electronic controller a multi-point calibration representing actuator position as a function of an input parameter designed to achieve a desired flow rate.

Method of calibrating an actuator system for a variable nozzle of a turbocharger

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San Pedro, CA, United States of America

Scott MacKenzie