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US Patent 10177631 Electric machine stator cooling systems and methods

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Contents

Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
10177631
Patent Inventor Names
Keith W. Klontz11
Felipe J. Castillo11
Scott T. Graham11
Thomas H. Hopkins11
Date of Patent
January 8, 2019
Patent Application Number
15870472
Date Filed
January 12, 2018
Patent Citations Received
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1
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US Patent 11059599 Electric aircraft propulsion system
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US Patent 11626776 Methods and systems for oil cooled rotor laminations
2
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US Patent 11677282 Composite material for thermal management in an electric motor
3
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US Patent 11764627 Electric machine cooling systems and methods
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US Patent 11342803 Electric machine cooling systems and methods
4
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US Patent 11791672 Core, stator, and rotating electric machine
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US Patent 11996732 Fan motor
5
...
Patent Primary Examiner
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Naishadh Desai
Patent abstract

An electric machine having a rotor, stator and housing. The rotor includes a radially mounted array of permanent magnets and the stator includes a plurality of electromagnets radially positioned around the rotor. The stator is encapsulated such that the stator encapsulant is in thermal contact with housing structures, for example the housing end plates. In some embodiments, the entire perimeter portion of the housing is in thermal contact with the stator or the stator encapsulant. The stator encapsulant provides for device robustness and thermal transfer from the stator to the housing. The thermal conductivity of the encapsulant may be enhanced by mixing an additive to the encapsulant to increase thermal conductivity.

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