Rotating electrical machine
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United States of America Patent
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Nov 2, 2021
Grant Date -
Apr 18, 2019
app pub date -
May 23, 2016
filing date -
May 23, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A rotating electrical machine includes: an oil reception part that has an opening opposed to an injection hole designed to inject ATF into the atmospheric pressure inside a housing; and an oil reservoir that communicates with the oil reception part via a communicating hole provided in a wall part and communicates with a rotor cooling oil channel of a shaft via a cooling oil lead-in hole provided in the wall part. Since ATF having flowed out of the oil reception part flows along an inner face of the wall part of a second housing by gravity and reaches a bearing, one ATF supply route can be used both for cooling a rotor and lubricating a bearing, whereby the ATF supply route can be simplified.
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