Insulating armature end turn cap

Details Insulating armature end turn cap Insulating armature end turn cap

1996-02-28

1998-02-10

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 71, 310194, 310270, H02K 346

Patent

active

057172730

ABSTRACT:
The present invention is an insulating end cap which provides mechanical support to the end turns of the coils. The mechanical support provides insulation by axially, radially and diametrically separating end turns of coils within phases, and end turns of coils of different phases. Additionally, mechanical insulative support is given to coil-to-coil crossovers and also to coil-to-terminal connections. The end cap may be formed integrally by an injection molding method. Further, the end cap removes the need for a cuffed, grain-oriented insulative lamination stack slot liner by providing support for the liner. The liner becomes independent of stack length. The end cap is designed to be symmetrical and one end cap design is suitable for use at both ends of an armature.

REFERENCES:
patent: 3293472 (1966-12-01), Stevens
patent: 4484096 (1984-11-01), Sauerwein et al.
patent: 4554475 (1985-11-01), Sisk
patent: 4752708 (1988-06-01), Jager et al.
patent: 5235231 (1993-08-01), Hisey

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