Semi-rigid spacer for diamond area of dynamoelectric machine

Details Semi-rigid spacer for diamond area of dynamoelectric machine Semi-rigid spacer for diamond area of dynamoelectric machine

1988-02-25

1989-08-01

Salce, Patrick R.

Communications: electrical

Systems

Call station

310 45, 310 65, H02K 350

Patent

active

048535770

ABSTRACT:
A filler material for supporting the coil end portions at the diamond area of a dynamoelectric machine comprises a resin filler disposed in the vent areas defined between opposed sides of spaced coil end portions at the diamond area, and an elongated, transversely corrugated, longitudinally flexible, sheet-like spacer element disposed within the filler at each vent area. The spacer element is positioned to extend along the respective vent area, with opposite faces thereof facing the sides of the coil end portions on either side of the vent area. The spacer element has a sufficient surface area in contact with the filler as a result of the corrugations of the spacer element, to retard sagging of the filler during installation and curing. The corrugations of the spacer element are generally rectangular in shape so that the element comprises a series of panels disposed in general parallelism to the sides of the corresponding coil end portions.

REFERENCES:
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patent: 3949256 (1976-04-01), Cooper et al.
patent: 3949257 (1976-04-01), Cooper et al.
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patent: 4488079 (1984-12-01), Dailey et al.
patent: 4563607 (1986-01-01), Cooper et al.
patent: 4710662 (1987-12-01), Balke et al.

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