High voltage slot liner for electrical motor

Details High voltage slot liner for electrical motor High voltage slot liner for electrical motor

2005-11-29

2005-11-29

Nguyen, Tran (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C174S1100PM, C174S11000P

Reexamination Certificate

active

06969940

ABSTRACT:
An electric motor has a housing with a plurality of stator discs. The discs have slots that align with one another, forming passages. A dielectric film tube inserts into the slots, each of the tubes having a continuous circumference. Each tube has a nonmeltable dielectric film layer of high temperature insulation. The dielectric film layer has overlapping edges and is bonded to a carrier layer of a meltable material. The tubes may be inserted into the slot passages by drawing a vacuum in the interior of each tube, causing it to collapse so that it can be readily inserted.

REFERENCES:
patent: 4160926 (1979-07-01), Cope et al.
patent: 5306976 (1994-04-01), Beckman
patent: 6176691 (2001-01-01), Tsubokawa

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