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公开(公告)号：US20190238020A1
公开(公告)日：2019-08-01
申请号：US16340898
申请日：2017-10-09
摘要： Various embodiments include a stator for an AC electric machine with a number of magnetic poles comprising: a central axis; and a stator winding with a plurality of conductor turns. The individual conductor turns are grouped into a total of n electrical strands. The individual conductor turns of a respective electrical strand define a first conductor branch and a second conductor branch. The first conductor branch and the second conductor branch are arranged helically around the central axis over at least half of their respective lengths. The helically arranged conductor branches each have a pitch greater than a product of an axial length of the helical conductor branches and the number of magnetic poles.
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公开(公告)号：US09875833B2
公开(公告)日：2018-01-23
申请号：US14652710
申请日：2013-12-02
摘要： A superconducting coil device includes at least one coil winding, including at least one first and one second superconducting strip conductor, the first and second strip conductors each having a superconducting layer and a contact side provided with a contact layer; at least one first contact electrically connecting the contact side of the first strip conductor to an external circuit via a first contact piece; at least one second contact electrically connecting the contact side of the second strip conductor to the external circuit via a second contact piece; and a third contact electrically connecting the first and second strip conductors via the contact layer of the first and the second strip conductor within the coil winding, wherein the contact side of the first strip conductor has a different orientation relative to a center of the coil winding than the contact side of second strip conductor.
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公开(公告)号：US10819177B2
公开(公告)日：2020-10-27
申请号：US16340898
申请日：2017-10-09
摘要： Various embodiments include a stator for an AC electric machine with a number of magnetic poles comprising: a central axis; and a stator winding with a plurality of conductor turns. The individual conductor turns are grouped into a total of n electrical strands. The individual conductor turns of a respective electrical strand define a first conductor branch and a second conductor branch. The first conductor branch and the second conductor branch are arranged helically around the central axis over at least half of their respective lengths. The helically arranged conductor branches each have a pitch greater than a product of an axial length of the helical conductor branches and the number of magnetic poles.
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4.发明申请公开(公告)号：US20170237318A1
公开(公告)日：2017-08-17
申请号：US15502010
申请日：2015-07-28
发明人： Tabea Arndt , Anne Bauer , Michael Frank , Jörn Grundmann , Peter Kummeth , Wolfgang Nick , Marijn Peter Oomen , Peter van Hasselt
CPC分类号： H02K9/20 , H02K1/32 , H02K7/1823 , H02K55/04 , Y02E40/625
摘要： The present disclosure relates to a cooling systems. The teachings thereof may be embodied in apparati for cooling an energy conversion apparatus having an electric machine comprising a rotor rotating around a central shaft and at least one first turbine arranged on the same shaft. The cooling apparatus may include at least one first internal cavity of the shaft for transporting coolant into a region within the rotor. The first internal cavity may extend axially through the first turbine and through an axial intermediate space between the first turbine and rotor.
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