Rotating electric machine having a cooling frame with a plurality of coolants
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United States of America Patent
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Feb 13, 2018
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N/A
app pub date -
Jan 16, 2015
filing date -
Jan 20, 2014
priority date (Note) -
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Abstract
A rotating electric machine includes a cooling frame. The cooling frame includes a flow passage through which the first liquid coolant circulates, a flow inlet connected to one end of the flow passage so as to make the first liquid coolant flow from the outside into the flow passage, and a flow outlet connected to the other end of the flow passage so as to make the first liquid coolant having flown through the flow passage flow to the outside. The machine is configured that, when the flow passage is divided into a front half portion closer to the flow inlet and a latter half portion closer to the flow outlet, the front half portion becomes a portion where the first liquid coolant mainly cools the second liquid coolant, and the latter half portion becomes a portion where the first liquid coolant mainly cools the gas coolant.
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