Patent ID: 9373982
Filing Date: 2016-06-21
CPC Classification: H02K,Y02E

Claim Text:
1. A tubular body for an electrical machine, the tubular body comprising: a curved surface area, a first tooth, and a second tooth, wherein the tubular body is arrangable with respect to a further tubular body such that one of the tubular body or the further tubular body is rotatable with respect to the other one around a rotary axis, wherein the first tooth and the second tooth extend from the curved surface area along a radial direction with respect to the rotary axis, wherein the first tooth and the second tooth are spaced apart from each other along a circumferential direction around the rotary axis, wherein the first tooth comprises a first side wall facing a second side wall of the second tooth, and wherein the first side wall comprises a first section which is parallel to the second side wall such that a circumferential distance between the first section and the second side wall is constant along the radial direction; wherein the first side wall comprises a further first section which is located adjacent to the first section along the radial direction and further from the rotary axis in the radial direction than the first section; wherein the second side wall comprises a second section which is parallel with the first section, further wherein the further first section is non-parallel with the second section such that a circumferential distance between the further first section and the second section varies along the radial direction; wherein the second side wall comprises a further second section which is parallel with the further first section; and wherein the first section and the further first section are sized such that respective windings arranged within respective section's entire portion is in direct contact with the respective first section and the further first section of the first tooth and respectively the second section and the further second section of the second tooth.