Systems and methods for warming up an engine with an electric boost device
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United States of America Patent
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Nov 5, 2019
Grant Date -
May 23, 2019
app pub date -
Nov 17, 2017
filing date -
Nov 17, 2017
priority date (Note) -
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Abstract
Methods and systems are provided for warming an engine and/or engine fluids. In one example, a method may comprise powering on an electric motor of an intake boost device to generate heat, circulating coolant and/or engine oil through the boost device to absorb the heat produced by the boost device, and then flowing the coolant and/or engine oil to the engine to transfer the heat absorbed from the boost device to the engine. In this way, an engine may be warmed without running the engine rich by using the heat generated by the electric motor of the boost device to warm the engine.
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