Conformable dynamoelectric machine field distance blocks and met

Details Conformable dynamoelectric machine field distance blocks and met Conformable dynamoelectric machine field distance blocks and met

1994-03-21

1995-07-11

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 42, 310 45, 310201, 310271, H02K 346

Patent

active

054323916

ABSTRACT:
Conformable distance blocks assemblies (24, 26) are provided for spacing adjacent end windings (20, 22) in a dynamoelectric machine. Each block assembly includes a pair of relatively hard blocks (28, 38) straddling a deformable spacer (32). The blocks and spacer are wrapped with an electrically insulating tape (34, 48) having an adhesive along an interior face for maintaining the blocks and spacer in assembled condition with a tab (36, 50) on the end of the tape. Generally rectilinear blocks (28) are employed for axial distance block assemblies, while the circumferential block assembly is comprised of tapered blocks (38) forming a wedge assembly. In installation, the assemblies are disposed between adjacent end windings, resiliently deforming the spacer, the tab being adhesively secured to the outermost lamination of the end windings. The spacer is also impregnated with a resin such that, upon curing, a rigid distance block assembly is provided to maintain adjacent end windings spaced from one another.

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