Turbocharger control management system

Power plants – Fluid motor means driven by waste heat or by exhaust energy... – With supercharging means for engine

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606051, F02D 2300

Patent

active

061348880

ABSTRACT:
An electronic turbocharger control system for an internal combustion engine is provided to control at least one turbocharger by controlling a bypass valve and a wastegate in response to the engine speed, engine load, ambient temperature, and the operating environment's barometric pressure wherein the turbocharger is controlled to operate within predetermined islands of efficiency on a pressure ratio versus mass airflow map thereby allowing the adaptation of one turbocharger assembly for various applications. The method and apparatus provides improved engine efficiency and increases low speed torque.

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patent: 5083434 (1992-01-01), Dahlgren et al.
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patent: 5231830 (1993-08-01), Entenmann et al.

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