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公开(公告)号：US11289976B2
公开(公告)日：2022-03-29
申请号：US16943549
申请日：2020-07-30
发明人： Sadeo Ramtahal , Julio César Urresty , Szymon Stanislaw Bankowski , Thomas Drots , Pawel Siwak , Grzegorz Pacocha
摘要： In a first aspect, a stator structure for an electrical machine is provided. The stator structure comprises a circumferential support having an external rim to support a plurality of electrical windings. The circumferential support comprises an air entrance, an air distribution channel and a plurality of axial air openings. The air entrance provides a passage between the air distribution channel and an outside of the stator structure. The air distribution channel extends through a portion of the circumferential support to circumferentially distribute an air flow from the air entrance. The plurality of axial air openings provides a passage between the air distribution channel and an outer side of the external rim to guide an air flow from the air distribution channel to the outer side of the external side. The plurality of axial air openings comprises an aperture, wherein the apertures are sized and spaced such that the air flow is substantially uniform along the circumference of the outer side of the external rim. In a further aspect, an electrical generator comprising a stator structure according to any of the examples herein described is provided.
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公开(公告)号：US20210036579A1
公开(公告)日：2021-02-04
申请号：US16943549
申请日：2020-07-30
发明人： Sadeo Ramtahal , Julio César Urresty , Szymon Stanislaw Bankowski , Thomas Drots , Pawel Siwak , Grzegorz Pacocha
摘要： In a first aspect, a stator structure for an electrical machine is provided. The stator structure comprises a circumferential support having an external rim to support a plurality of electrical windings. The circumferential support comprises an air entrance, an air distribution channel and a plurality of axial air openings. The air entrance provides a passage between the air distribution channel and an outside of the stator structure. The air distribution channel extends through a portion of the circumferential support to circumferentially distribute an air flow from the air entrance. The plurality of axial air openings provides a passage between the air distribution channel and an outer side of the external rim to guide an air flow from the air distribution channel to the outer side of the external side. The plurality of axial air openings comprises an aperture, wherein the apertures are sized and spaced such that the air flow is substantially uniform along the circumference of the outer side of the external rim. In a further aspect, an electrical generator comprising a stator structure according to any of the examples herein described is provided.
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