Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20200028395A1





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A cooling structure is provided that cools a rotor in a motor. The motor includes a shaft that is rotatably supported on a case and a rotor having a rotor core to which a plurality of magnets are provided on an outer periphery of the shaft and which is disposed to face a stator. Flow passages are formed on the shaft and the rotor and cooling oil passes through a core flow passage inside the rotor core from an introduction flow passage on a first side in an axial direction of the shaft and flows to the introduction flow passage on a second side in the axial direction of the shaft. An inlet communicating with the introduction flow passage and an outlet communicating with the introduction flow passage are formed in the case.

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Patent Owner(s)

  • Owner owned or assignment not recorded

International Classification(s)


Inventor Name Address # of filed Patents Total Citations
Hashimoto, Takenori Yokohama-Shi, JP 24 199

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