According to an aspect of the present invention, there is provided a turbocharger assembly, comprising: a turbocharger; one or more actuators for controlling a flow of fluid in, around, or associated with the operation of the turbocharger; control electronics for use in controlling actuation of the
According to an aspect of the present invention, there is provided a turbocharger assembly, comprising: a turbocharger; one or more actuators for controlling a flow of fluid in, around, or associated with the operation of the turbocharger; control electronics for use in controlling actuation of the one or more actuators; and boost electronics configured to receive an input voltage, and to provide a boosted output voltage to the control electronics.
대표청구항▼
1. A turbocharger assembly, comprising: a turbocharger;one or more actuators for controlling a flow of fluid;control electronics for use in controlling actuation of the one or more actuators; andboost electronics configured to receive an input voltage, and to provide a boosted output voltage to the
1. A turbocharger assembly, comprising: a turbocharger;one or more actuators for controlling a flow of fluid;control electronics for use in controlling actuation of the one or more actuators; andboost electronics configured to receive an input voltage, and to provide a boosted output voltage to the control electronics; wherein the turbocharger comprises a turbine comprising a turbine wheel;and the one or more actuators is suitable for controlling the flow of fluid relative to the turbine wheel. 2. The turbocharger assembly of claim 1, wherein: each actuator is in connection with dedicated control electronics for use in controlling only that actuator; andeach dedicated control electronics is in connection with dedicated boost electronics for use in providing a boosted output voltage to only that dedicated control electronics. 3. The turbocharger assembly of claim 1, wherein the control electronics and the boost electronics are located within a single housing. 4. The turbocharger assembly of claim 1, wherein the control electronics and the boost electronics are located or provided on the same circuit board. 5. The turbocharger assembly of claim 1, wherein the boost electronics is configured to boost a received input voltage and to provide a boosted output voltage that is sufficient for operation of the one or more actuators. 6. The turbocharger assembly of claim 1, wherein the boost electronics is configured to boost a received input voltage and to provide a boosted output voltage that is substantially equal to, or less than, 120V. 7. The turbocharger assembly of claim 1, wherein the input voltage or the boosted output voltage is a DC voltage. 8. The turbocharger assembly of claim 1, wherein the turbocharger assembly comprises one or more conduits that form part of, or are in connection with, the turbocharger, and wherein the one or more actuators are arranged to control a flow of fluid through the one or more conduits. 9. The turbocharger assembly of claim 1, wherein the one or more actuators is one or more of: a wastegate actuator or an actuator for varying a geometry of an inlet to or an inlet of, the turbine. 10. The turbocharger assembly of claim 1, wherein the turbine wheel is mounted to a rotor shaft that defines a turbocharger axis and the turbocharger comprises a compressor wheel mounted to the rotor shaft, the turbine wheel being mounted within a housing, the housing defining a gas flow inlet passage upstream of the turbine wheel. 11. The turbocharger assembly of claim 10, wherein the turbocharger is a variable geometry turbocharger. 12. The turbocharger assembly of claim 11, wherein the variable geometry turbocharger comprises an annular wall defining a wall of the inlet passage and which is moveable in a direction substantially parallel to the turbocharger axis to control gas flow through the inlet passage. 13. The turbocharger assembly of claim 12, wherein the annular wall is a nozzle ring provided with an array of inlet vanes or a nozzle ring or shroud provided with a plurality of slots for receiving inlet vanes. 14. The turbocharger assembly of claim 11, wherein at least one of the one or more actuators is configured to vary the geometry of the turbocharger. 15. The turbocharger assembly of claim 11, wherein the variable geometry turbocharger comprises a movable vane, moveable flow guide, or a turbine wastegate and at least one of the one or more actuators is configured to move the movable vane, movable flow guide, or turbine wastegate. 16. The turbocharger assembly of claim 1, wherein the one or more actuators are one or more electric actuators. 17. The turbocharger assembly of claim 1, wherein the turbocharger is a variable geometry turbocharger comprising a member that is movable to vary a geometry of that turbocharger and wherein at least one of the one or more actuators is configured to move the member to vary the geometry of the turbocharger. 18. The turbocharger assembly of claim 1, wherein the input voltage and the boosted output voltage is a DC voltage. 19. The turbocharger assembly of claim 1, wherein: the turbocharger assembly comprises a plurality of said actuators andeach actuator is in connection with dedicated control electronics for use in controlling only that actuator; andeach dedicated control electronics is in connection with dedicated boost electronics for use in providing a boosted output voltage to only that dedicated control electronics. 20. The turbocharger assembly of claim 1, wherein the boost electronics is configured to receive the input voltage, and to provide the boosted output voltage to the control electronics such that if the input voltage is below a threshold level the boosted electronics is configured to boost the input voltage so that the boosted output voltage is higher than the input voltage. 21. A turbocharger assembly, comprising: a turbocharger;one or more actuators for controlling a flow of fluid;control electronics for use in controlling actuation of the one or more actuators;boost electronics configured to receive an input voltage, and to provide a boosted output voltage to the control electronics;wherein the turbocharger comprises a turbine comprising a turbine wheel;the one or more actuators is suitable for controlling the flow of fluid relative to the turbine wheel; andthe one or more actuators is one or more of: a wastegate actuator or an actuator for varying a geometry of an inlet to, or an inlet of, the turbine. 22. The turbocharger assembly of claim 21, wherein the boost electronics is configured to receive the input voltage, and to provide the boosted output voltage to the control electronics such that if the input voltage is below a threshold level the boosted electronics is configured to boost the input voltage so that the boosted output voltage is higher than the input voltage.
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