High power density cooling of electrical machines using...

Details High power density cooling of electrical machines using... High power density cooling of electrical machines using...

2011-06-28

2011-06-28

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S053000, C310S054000, C310S059000, C310S06000A, C310S061000

Reexamination Certificate

active

07969049

ABSTRACT:
A high power density generator contains an armature structure having a plurality of conductors and at least one heat transfer tube thermally coupled to the conductors. The tube is hollow so as to allow a heat transfer fluid to pass through it. The tube is made of a material having a thermal conductivity λ of at least 20 W/mK, an electrical breakdown strength of at least 60 V/mil, and a mechanical strength adequate for handling, manufacturing and operation. In an embodiment of the invention, the tube is made of a ceramic material.

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