Stator for a dynamoelectric machine

Details Stator for a dynamoelectric machine Stator for a dynamoelectric machine

2005-09-13

2005-09-13

Mullins, Burton (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S180000, C310S184000

Reexamination Certificate

active

06943466

ABSTRACT:
A stator winding is prepared by inserting U-shaped conductor segments into pairs of slots from a first end surface end of a stator core and welding together end portions of the conductor segments projecting outward at a second end surface end of the stator core. Joint portions between the end portions of the conductor segments are arranged into two rows in an annular shape in a circumferential direction at the second end surface end of the stator core. A first electrically-insulating layer is formed by applying an epoxy resin so as to cover each of the joint portions and to bridge radially-adjacent pairs of the joint portions. A second electrically-insulating layer is formed by applying a silicone resin so as to cover the first electrically-insulating layer and to extend to an electrically-insulating coating on the conductor segments.

REFERENCES:
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patent: 5140292 (1992-08-01), Aronow
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patent: 6492757 (2002-12-01), Nakamura et al.
patent: 2000-278901 (2000-10-01), None

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