Electric rotary machine

Details Electric rotary machine Electric rotary machine

2006-03-07

2006-03-07

Le, Dang (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S054000, C310S057000

Reexamination Certificate

active

07009316

ABSTRACT:
In the stator of a electric rotary machine in which heat conductive insulation resin is filled at the end portions of a stator coil, the material of a stator core, the stator coil, the heat conductive insulation resin and a frame is selected such that a linear thermal expansion coefficient α1of the stator core, a linear thermal expansion coefficient α2of the stator coil, a linear thermal expansion coefficient α3of the heat conductive insulation resin being filled and a linear thermal expansion coefficient α4of the frame satisfy a relation that α1<α2 <α4 ≦α3. A cooling medium path is integrally formed within the frame made from aluminum through die casting molding.

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