ELECTRIC MACHINE FLUID COOLING SYSTEM WITH AIR VENT
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Oct 7, 2024
filing date -
Oct 7, 2024
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Abstract
Methods and systems are provided to cool an electric machine rotor. The electric machine fluid cooling system includes, in one example, one or more air vents in fluidic communication with one or more radial cooling passages of a rotor shaft. In the system, the radial cooling passages are in fluidic communication with one or more rotor shaft cooling passages that extend through the rotor shaft and an inlet cooling passage.
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