Enhanced response turbocharger using flywheel storage
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United States of America Patent
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Apr 29, 2003
Grant Date -
N/A
app pub date -
Dec 19, 2001
filing date -
Dec 19, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A turbocharger system for use in an internal combustion engine, and particularly suitable for use in an on-road vehicle, is provided with a turbocharger including a turbine, a compressor and a turboshaft coupling the turbine and the compressor together; mechanically coupling a first motor/generator to the turboshaft; mechanically coupling a second motor/generator to a flywheel; electrically coupling the second motor/generator to the first motor/generator; storing power in the flywheel using the second motor/generator during periods of excess turbocharger boost; and rotating the turbocharger shaft using the first motor/generator during periods of insufficient turbocharger boost. The turbocharger system provides a compact and efficient method of storing energy in the flywheel during periods of excess turbocharger boost, and retrieving energy from the flywheel during periods of insufficient turbocharger boost.
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