Perimeter liquid-cooled electric machine and integrated power inverter
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United States of America Patent
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Dec 8, 2020
Grant Date -
Jun 18, 2020
app pub date -
Dec 14, 2018
filing date -
Dec 14, 2018
priority date (Note) -
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Abstract
A perimeter electric machine cooling arrangement includes a cooling conduit arranged to remove heat from an integrated housing containing an electric motor and a power inverter. The electrical connections between the electric motor and the power inverter are provided by flexible, pre-formed busbars that are arranged in pass over liquid cooling connections in the region between the electric motor and the power inverter. The integrated housing includes an intermediate cover over the electric motor and the power inverter portions of the housing, with a window through which the busbars can pass to reach the electric motor. The housing is further provided with an outer housing cover and seals that isolate the electric motor and the power inverter from the exterior environment and one another.
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