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US 2011/0298573 A1Published application
Electrical Machine With Improved Lightning Impulse Withstand
OwnerArne Hjortsberg, Jan Hajekinventors
Life of this patent
Estimating the term…
Abstract
An electrical machine with an axis. The machine includes a winding arranged in a plurality of substantially circular turns wound around the axis. Wedge formed areas are formed between two adjacent turns of the winding. A member of insulating material is arranged to cover at least one of the wedge formed areas.
Claims12
An electrical machine with an axis comprising;
- a winding arranged in a plurality of substantially circular turns wound around said axis, wherein said winding has first turns arranged in a first plane, second turns arranged in a second plane, and third turns arranged in a third plane, wherein wedge formed areas are formed in the inner periphery and the outer periphery between each adjacent plane of turns, and
- members of insulating material arranged to cover some of the wedge formed areas,
- wherein the members of insulating material cover a wedge formed area in the inner periphery and a wedge formed area in the outer periphery alternatingly, one insulating member covering the wedge formed area in the outer periphery between the first and the second plane, and another insulating member covering the wedge formed area in the inner periphery between the second and third plane.
Dependencies are inferred from the claim text.