Two-Stage Exhaust-Gas Turbocharging Device for an Internal Combustion Engine
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United States of America Patent
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Issued Date -
Jan 18, 2018
app pub date -
Jul 28, 2017
filing date -
Mar 2, 2015
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Abstract
A two-stage exhaust gas turbocharging device for an internal combustion engine includes a high-pressure stage, and a low-pressure stage. The high-pressure stage and the low-pressure stage are connected via exhaust-gas lines and fresh-air lines in a gas-conducting manner. An exhaust gas of the internal combustion engine can flow first through the high-pressure turbines and then the low-pressure turbines and wherein fresh air are conveyable first through the low-pressure compressors and then through the high-pressure compressors in the direction of the internal combustion engine. The high-pressure turbines are connected to the low-pressure turbines at least in sections via a common exhaust-gas line and the low-pressure compressors to the high-pressure compressors at least in sections via a common fresh-air line.
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