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公开(公告)号：US11876422B2
公开(公告)日：2024-01-16
申请号：US17280978
申请日：2019-09-13
申请人： VOITH PATENT GMBH
发明人： Thomas Hildinger , Ludger Koedding , Michael Weckert , Stefan Veser , Stefan Allgeyer , Holger Henning , Philipp Eilebrecht
CPC分类号： H02K3/51 , H02K3/12 , H02K3/38 , H02K13/003
摘要： A rotor for an electric machine has winding elements which are arranged in axially running grooves of a rotor body and having a winding head which is arranged axially next to the rotor body. The winding elements exit from the grooves in the axial direction in the region of the winding head and run in the axial direction in the region of the axial ends of the winding elements. Each of the winding elements has four curved portions in the region of the winding head. The rotor includes a plurality of tension bolts and a winding head carrier. The tension bolts connect the winding head to the winding head carrier and penetrate through the winding head radially.
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公开(公告)号：US11757319B2
公开(公告)日：2023-09-12
申请号：US17321086
申请日：2021-05-14
申请人： AUDI AG
摘要： A star disk for a rotor of an externally excited synchronous machine, having a central disk body, from which multiple webs extend radially, at the ends of which an end plate is provided each time, so that between the disk body and the respective end plate there is formed a winding groove, being bounded by the web forming the groove bottom and laterally by the disk body and the end plate, forming groove flanks, and serving to contain a conductor winding led around the web and formed from a conductor wire which is wound in multiple layers, wherein the web is provided with flutes running in the winding direction and serving to contain a respective conductor wire segment, there being provided at least one additional flute on a groove flank at least on one side of the web.
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公开(公告)号：US11742712B2
公开(公告)日：2023-08-29
申请号：US17781744
申请日：2020-02-28
发明人： Kohei Samata
IPC分类号： H02K3/51
CPC分类号： H02K3/51 , H02K2203/06
摘要： The present disclosure includes: a holding ring fitted to a rotor and holding a rotor coil of the rotor; and an interpolar jumper wire electrically connecting field poles of the rotor to each other, the interpolar jumper wire being composed of a flexible lead formed by stacking electrically conductive metal plates and a metal wire connected to the flexible lead. In a case where the flexible lead is divided, in terms of positions in a radial direction of the metal plates thereof, at half the number of all the stacked metal plates, an average value of plate thicknesses of metal plates that are disposed on an inner layer side is set to be smaller than an average value of plate thicknesses of metal plates that are disposed on an outer layer side.
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公开(公告)号：US20220344998A1
公开(公告)日：2022-10-27
申请号：US17237710
申请日：2021-04-22
IPC分类号： H02K3/51
摘要： Generator field endwinding blocking is described. The endwinding blocking has a spacer block for radial placement between rotor endwindings. The spacer block has a spacer body with a radially inboard end, a radially outboard end, a slot extending from the outboard end towards the inboard end, and at least one transverse hole formed on an outer surface of the spacer body, extending in a perpendicular direction towards the slot. A cap covers at least a portion of the outboard end. The cap has a radially inward portion received in the slot with at least one hole aligned with the at least one traverse hole, and at least one end extending beyond a periphery of the outboard end towards an adjacent endwinding. A fastener placed in the holes of the spacer block and the radially inward portion of the cap, secures the cap with the spacer block.
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公开(公告)号：US20210359561A1
公开(公告)日：2021-11-18
申请号：US17321086
申请日：2021-05-14
申请人： AUDI AG
摘要： A star disk for a rotor of an externally excited synchronous machine, having a central disk body, from which multiple webs extend radially, at the ends of which an end plate is provided each time, so that between the disk body and the respective end plate there is formed a winding groove, being bounded by the web forming the groove bottom and laterally by the disk body and the end plate, forming groove flanks, and serving to contain a conductor winding led around the web and formed from a conductor wire which is wound in multiple layers, wherein the web is provided with flutes running in the winding direction and serving to contain a respective conductor wire segment, there being provided at least one additional flute on a groove flank at least on one side of the web.
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公开(公告)号：US11075557B2
公开(公告)日：2021-07-27
申请号：US16229978
申请日：2018-12-21
摘要： The present invention relates to a rotor (1) of a rotary electric machine, comprising: a body (3) comprising a cylindrical central core (5) and a circumferential plurality of arms (B1 . . . B18) extending radially out from the cylindrical central core (5), the body (3) being intended to be mounted with the ability to move about an axis of rotation X, a coilset produced by windings of turns and forming at least one series of coils (C1 . . . C9, C1′ . . . C9′), a coil (C1 . . . C9, C1′ . . . C9′) comprising a predetermined number of turns around at least two arms (B1 . . . B18) of the body (3), two adjacent coils (C1 . . . C9, C1′ . . . C9′) of a series being angularly offset from one another with a partial overlap, in which the last coil (C9, C9′), situated radially furthest towards the outside, comprises a predetermined number of turns that is lower than the predetermined number of turns of the other coils of the series (C1 . . . C8, C1′ . . . C8′).
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公开(公告)号：US11038394B2
公开(公告)日：2021-06-15
申请号：US15879639
申请日：2018-01-25
发明人： Parmeet Singh Chhabra , David Raju Yamarthi , Navin Soni , Mamatha Ramakrishnaiah , Balamurugan Sridharan
IPC分类号： H02K3/12 , H02K3/487 , H02K1/26 , H02K7/08 , H02K15/00 , H02K7/20 , H02K9/19 , H02K15/02 , H02K15/09 , H02K7/18 , H02K3/51 , H02K1/32
摘要： A rotor assembly includes a rotor core having winding slots, and one or more coils, which have slot-inserted segments included in the winding slots, and first and second end-turn segments external to the winding slots and located around opposite axial ends of the rotor core, respectively. The rotor assembly further includes a first containment band located around at least a portion of the first end-turn segments and configured to prevent the first end-turn segments from moving away from the rotor core radially, a second containment band located around at least a portion of the second end-turn segments and configured to prevent the second end-turn segments from moving away from the rotor core radially, and one or more sticks mounted in one or more of the winding slots, respectively. The first and second containment bands are retained via the sticks against moving away axially.
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公开(公告)号：US10923976B2
公开(公告)日：2021-02-16
申请号：US16234696
申请日：2018-12-28
摘要： The present invention relates to a rotor (1) of a rotary electric machine, comprising: a body (3) comprising a cylindrical central core (5) and a circumferential plurality of arms (B1 . . . B18) extending radially out from the cylindrical central core (5), the body (3) being intended to be mounted with the ability to move about an axis of rotation X, a coilset produced by windings of turns and forming at least one series of coils (C1 . . . C9, C1′ . . . C9′, C1″ . . . C9″, C1′″ . . . C9′″), a coil (C1 . . . C9, C1′ . . . C9′, C1″ . . . C9″, C1′″ . . . C9′″) comprising a predetermined number of turns around at least two arms (B1 . . . B18) of the body, two adjacent coils (C1 . . . C9, C1′ . . . C9′, C1″ . . . C9″, C1′″ . . . C9′″) of a series being angularly offset from one another with a partial overlap, in which the rotor (1) comprises at least one additional retaining loop (S1, S1′, S2, S2′) wound around at least two arms (B1 . . . B18) of which at least one is common to the arms (B1 . . . B18) around which is wound the last coil (C9, C9′, C9″, C9″), situated radially outermost, of at least one series and of which at least one is distinct from the arms around which the said last coil (C9, C9′, C9″, C9′″) is wound, so that the at least one additional retaining loop (S1, S1′, S2, S2′) partially overlaps the turns of the said last coil (C9, C9′, C9″, C9′″).
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公开(公告)号：US10749401B2
公开(公告)日：2020-08-18
申请号：US15300608
申请日：2015-03-18
发明人： Peter Groeppel , Martin Johannes , Claus Rohr , Christian Seidel
IPC分类号： H02K9/08 , H02K9/12 , H02K5/20 , H02K3/51 , H02K5/02 , H02K7/18 , H02K15/00 , H02K9/00 , H02K9/10 , H02K5/00
摘要： A rotor cap for an electric generator, e.g., a high-speed turbogenerator, is disclosed, along with a production method for such rotor cap. The rotor cap is at least partially made of fiber-reinforced plastic material. The rotor cap may have cooling fluid passages, e.g., extending in an axial direction, in the area of the fiber-reinforced plastic material.
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公开(公告)号：US10560006B2
公开(公告)日：2020-02-11
申请号：US15438279
申请日：2017-02-21
摘要： The present disclosure relates to a method to apply an insulation to a retaining ring for end windings of an electric machine and to a fillable bag to apply an insulation to a retaining ring. Disclosed is a method to apply an insulation to a retaining ring for end windings of an electric machine, with the steps of providing a retaining ring housing, attaching an insulation at the inside of the retaining ring housing, and inflating a bag inside the retaining ring housing to apply pressure to the insulation. Also disclosed is a fillable bag to apply a pressure to an electric insulation inside a retaining ring for end windings of an electric machine.
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