Core and slot liner

Details Core and slot liner Core and slot liner

1989-01-13

1990-05-01

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 45, 310216, H02K 2360

Patent

active

049221655

ABSTRACT:
A core for a dynamoelectric machine has a pair of generally opposite end faces, and wall means is provided in the core for defining at least one winding receiving slot intersecting the opposite end faces, respectively. At least a pair of layers of generally thin dielectric material are associated in overlaying relation and disposed in the slot. A set of apertures are arranged in a preselected pattern in the layers and disposed in non-aligning relation, and a set of non-apertured sections in the layers are arranged in the layer between the apertures, respectively. At least some of the apertures in each layer are communicated with at least some of the non-aperture sections in an adjacent layer, and the at least some apertures in one of the layers is also communicated with the wall means of the at least one slot.
A method of assembling a core, a method of treating a core, and a method of assembling a slot liner are also disclosed.

REFERENCES:
patent: 2495010 (1950-01-01), Kirkpatrick
patent: 3127470 (1964-03-01), Andersson et al.
patent: 3802066 (1974-04-01), Barrett
patent: 4485126 (1984-11-01), Gaietto et al.
patent: 4559698 (1985-12-01), Bair et al.
patent: 4747288 (1988-05-01), Fritzsche
patent: 4788761 (1988-12-01), Crawford et al.

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