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1. 发明公开

EP4087090A1 ELECTRICAL MACHINE, STATOR EXTENSION ELEMENT AND WIND TURBINE 审中-实审
公开(公告)号：EP4087090A1
公开(公告)日：2022-11-09
申请号：EP21172369.7
申请日：2021-05-06
申请人： Siemens Gamesa Renewable Energy A/S
发明人： Azar, Ziad , Clark, Richard , Jensen, Thomas Tøttrup , Samanta, Subhra , Thomas, Arwyn
IPC分类号： H02K1/14 , H02K1/16 , H02K3/50 , H02K7/18
摘要： Electrical machine comprising a stator (8) with a stator core (19), a plurality of stator teeth (9) protruding radially from the stator core (19), and a plurality of stator coils (10), wherein each stator coil (10) is wound around at least one stator tooth (9) of the stator (8) and comprises at least one coil head (14) protruding in axial direction beyond the stator core (19), wherein the stator (8) comprises a stator extension structure (20) with a plurality of magnetic flux-guiding extension segments (17) each protruding axially from a stator tooth (9) into an area surrounded by at least one of the coil heads (14).

2. 发明公开

EP4037153A1 ROTOR BODY FOR A PERMANENT MAGNET MACHINE 无效
公开(公告)号：EP4037153A1
公开(公告)日：2022-08-03
申请号：EP21154711.2
申请日：2021-02-02
申请人： Siemens Gamesa Renewable Energy A/S
发明人： Becs, Balazs Janos , Choudhary, Vikas , Demissie, Edom , Groendahl, Erik , Jacobsen, Bo Nedergaard , Urda, Adriana Cristina , Azar, Ziad
IPC分类号： H02K1/27 , H02K7/18 , H02K7/102 , H02K15/03
摘要： A rotor (10) for an electrical machine (12) extends along a longitudinal axis (Y) between a drive end (21) and an axially opposite non-drive end (22), the drive end (21) being attachable to a torque input. The rotor (10) comprises:
- a rotor body (100) extending axially between the drive end (21) and the non-drive (22) and extending in a radial direction orthogonal to the longitudinal axis (Y) between an inner side (110) and an outer side (120),
- plurality of permanent magnets (200) attached to the inner side (110) a circumferentially distributed about the longitudinal axis (Y),
wherein the rotor body (100) includes a plurality of lamination sheets (101) stacked along the longitudinal axis (Y).

3. 发明公开

EP4026631A1 APPARATUS AND METHOD FOR MANUFACTURING A MONOLITHIC PERMANENT MAGNET WITH A FOCUSED AND A PARALLEL MAGNETIC FLUX REGION 无效
公开(公告)号：EP4026631A1
公开(公告)日：2022-07-13
申请号：EP21150546.6
申请日：2021-01-07
申请人： Siemens Gamesa Renewable Energy A/S
发明人： Azar, Ziad , Clark, Richard , Thougaard, Hans-Joergen , Urda, Adriana Cristina
IPC分类号： B22F3/00 , B22F5/00 , H01F1/057 , H01F7/02 , H01F13/00 , H01F41/02 , H02K7/18 , H02K15/03 , F03D9/25
摘要： It is described an apparatus (100) for manufacturing a permanent magnet (150), the apparatus (100) comprising:
i) a first electromagnetic device (110) that is configured to provide a first magnetic flux pattern,
ii) a second electromagnetic device (120) that is configured to provide a second magnetic flux pattern being different from the first magnetic flux pattern, and
iii) a mold (130) that is arranged between the first electromagnetic device (110) and the second electromagnetic device (120), wherein the mold (130) has a mold cavity (131) for receiving a magnetic powder (135).
The first electromagnetic device (110) and the second electromagnetic device (120) are configured so that, when the magnetic powder (135) is placed into the mold cavity (130),
a) a first region (135a) of the magnetic powder (135) is aligned as a focused magnetic flux region (151) having a first angular distribution of magnetization directions resulting in a focused alignment, and
b) a second region (135b) of the magnetic powder (135) is aligned as a parallel magnetic flux region (152) having a second angular distribution of magnetization directions resulting in a parallel alignment.

4. 发明公开

EP4019172A1 ADDITIVE MANUFACTURING METHOD AND APPARATUS 无效
公开(公告)号：EP4019172A1
公开(公告)日：2022-06-29
申请号：EP21163814.3
申请日：2021-03-19
申请人： Siemens Gamesa Renewable Energy A/S , Siemens Gamesa Renewable Energy GmbH & Co. KG
发明人： Plett, Oliver , Azar, Ziad
IPC分类号： B22F12/33 , B22F12/80 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B23K9/04 , B22F10/25
摘要： An additive manufacturing apparatus (10) comprises:
- at least one carriage (100) having an additive manufacturing tool (110) for depositing a metallic material on a deposition surface (5010),
- at least one guide (200) coupled with the carriage (100) and comprising at least one guiding path (210) defined from a path initial point (211) and a path final point (212), the carriage (100) being movable along the guiding path (210) from the path initial point (211) to the path final point (212) and from the path final point (212) to the path initial point (211),
- a height regulation device (301, 302) comprised in the carriage (100) or in the guide (200) for changing the distance between the additive manufacturing tool (110) and the deposition surface (500).

5. 发明公开

EP3989399A1 STATOR OR ROTOR SEGMENT COMPRISING COILS ON TEETH AND ADHESIVE ANCHOR OF OUTERMOST COIL EDGE 审中-实审
公开(公告)号：EP3989399A1
公开(公告)日：2022-04-27
申请号：EP20203493.0
申请日：2020-10-23
申请人： Siemens Gamesa Renewable Energy A/S
发明人： Azar, Ziad , Duke, Alexander
IPC分类号： H02K1/14 , H02K1/16
摘要： A segment for the stator of an electric generator including at least one tooth, at least two slots, a coil winding (30,42,41), including at least two side coil portions (41) being housed in two end slots (17). Each end tooth comprises a end side surface (25a) extending in axial direction of the stator and facing an end slot. An adhesive layer (45) being provided between each side coil portion (41) and adjacent end side surface (25a) of an end tooth (15), such that the adhesive layer (45) extends in circumferential direction between the end side surface (25a) and the side coil portion (41). The end side surface (25a) comprising a plurality of surface irregularities (50), like grooves or protrusions, for enhancing the adherence of the adhesive layer (45) from the side coil portion (41) to the end side surface (25a) of the end tooth (15).

6. 发明公开

EP3648305A1 ELECTRICAL MACHINE WITH HYBRID TOOTH DESIGN 有权
公开(公告)号：EP3648305A1
公开(公告)日：2020-05-06
申请号：EP18203383.7
申请日：2018-10-30
申请人： Siemens Gamesa Renewable Energy A/S
发明人： Azar, Ziad , Duke, Alexander
IPC分类号： H02K1/14 , H02K1/16 , H02K1/26 , H02K7/18
摘要： It is described a stator segment (100) for the stator (11) or the rotor (12) of an electrical machine (10) including a segment body (22) circumferentially extending about a longitudinal axis (Y) of the stator segment (100) between two circumferential ends (23). The segment body (22) includes:
- a plurality of teeth (15, 16) protruding according to a radial direction orthogonal to the longitudinal axis (Y), each tooth (15, 16) circumferentially extending between two respective side faces (25, 26), the plurality of teeth (15, 16) being circumferentially distributed between two end teeth (15) of the plurality of teeth (15, 16), the plurality of teeth (15, 16) comprising at least one intermediate tooth (16) circumferentially comprised between the end teeth (15)
- a plurality of slots (17, 18), the plurality of slots (17, 18) comprising a plurality of intermediate slots (18) circumferentially comprised between the two end slots (17), wherein the side faces (25) of the two end teeth (15) are inclined with respect to each other or parallel to each other and the side faces (26) of the at least one intermediate tooth (16) are respectively parallel to each other or inclined with respect to each other.

7. 发明公开

EP3588745A1 SEGMENTED STATOR ASSEMBLY WITH FLEXIBLE ELECTRICAL CONNECTIONS, GENERATOR AND WIND TURBINE WITH SUCH A STATOR ASSEMBLY 有权
公开(公告)号：EP3588745A1
公开(公告)日：2020-01-01
申请号：EP18179012.2
申请日：2018-06-21
申请人： Siemens Gamesa Renewable Energy A/S
发明人： Azar, Ziad , Groendahl, Erik , Samanta, Subhra , Thomas, Arwyn
IPC分类号： H02K3/28 , H02K1/14 , H02K3/50 , H02K7/18
摘要： A stator assembly (110) comprising: i) a first stator segment (210), ii) a second stator segment (220), wherein the first stator segment (210) and the second stator segment (220) being arranged along a circumferential direction of the stator assembly (110), and wherein the first stator segment (210) and the second stator segment (220) are located adjacent to each other and are separated by a gap (G). The stator assembly (110) further comprising: iii) at least one first coil set (s1) of a first multi-phase coil system (S1), and iv) at least one second coil set (s2) of a second multi-phase coil system (S2), wherein each coil set (s1, s2) comprises at least one coil (s1, s2, s3) for each phase (u, v, w) of the respective multi-phase coil system (S1, S2). Each stator segment (210, 220) comprises a first busbar arrangement (B1) having first busbar elements (b1), and a second busbar arrangement (B2) having second busbar elements (b2), each busbar element being assigned to one phase (u, v, w). The stator assembly (110) further comprising: a segment-to-segment connector (250) connecting each busbar element (b1, b2) of one busbar arrangement (B1, B2) of the first stator segment (210) to one busbar element (b1, b2) assigned to the same phase (u, v, w) of one busbar arrangement (B1, B2) of the adjacent second stator segment (220), thereby electrically bridging the gap (G). Hereby, in each segment (210, 220), each coil of the coil sets (s1, s2) is connected to one busbar element (b1, b2) assigned to the same phase (u, v, w) of one busbar arrangement (B1, B2).

8. 发明公开

EP3528372A1 FORMATION OF STATOR COILS FOR USE IN CONCENTRATED WINDING ELECTRICAL MACHINE 审中-公开
公开(公告)号：EP3528372A1
公开(公告)日：2019-08-21
申请号：EP18157406.2
申请日：2018-02-19
申请人： Siemens Gamesa Renewable Energy A/S
发明人： Samanta, Subhra , Azar, Ziad
IPC分类号： H02K15/04 , H02K7/18
摘要： It is described a method for manufacturing a stator assembly (110) for an electrical machine (100) with a concentrated winding stator design. The method comprises (a) providing a stator coil (214, 314a) having a first coil axis (315) and a first spatial design with, within a plane being perpendicular to the first coil axis (315), a first length (L1) along a first direction (X) and a first width (W1) along a second direction (Y); (b) exerting on the stator coil (314a) a tension force (Ft) along the first direction (X) and/or a compressive force (Fc) along the second direction (Y) such that the first spatial design transforms into a second spatial design with a second length (L2) and a second width (W2), wherein the second length (L2) is larger than the first length (L1) and the second width (W2) is smaller than the first width (W1); and (c) placing the stator coil (314b) having the second spatial design around a single stator tooth (212a) of a stator yoke (212) of the stator assembly (110). Further described are a stator assembly (110) being manufactured with the described method, an electrical machine (100) with such a stator assembly (110) and a wind turbine (180) comprising such an electrical machine (100) as electrical generator.

9. 发明公开

EP3514922A1 FRACTIONAL SLOT MULTI WINDING SET ELECTRICAL MACHINE 有权
公开(公告)号：EP3514922A1
公开(公告)日：2019-07-24
申请号：EP18152223.6
申请日：2018-01-18
申请人： Siemens Gamesa Renewable Energy A/S
发明人： Azar, Ziad , Duke, Alexander , Thomas, Arwyn , Wu, Zhan-Yuan
IPC分类号： H02K3/28 , H02K1/14 , H02K21/22 , H02K7/18
摘要： It is described a fractional slot multi winding set electrical machine (150), comprising: at least one sections (100) forming a whole circumference in a circumferential direction (103), each section having a stator portion (102) and a rotor portion (104), the stator portion of each section comprising: a number of slots (105) alternating with teeth (107) along the circumferential direction; a first winding set (125); at least one second winding set (127), wherein the first and second winding sets (125, 127) are arranged at least partly in the slots (105), in particular according to a concentrated winding topology, the rotor portion (104) of each section comprising: a number of poles (122) of plural magnets (121) separated by a gap (g) from the teeth (107).

10. 发明公开

EP3496233A1 ELECTRIC GENERATOR HAVING END-WINDINGS WITH REDUCED AXIAL PROTRUSION 审中-公开
公开(公告)号：EP3496233A1
公开(公告)日：2019-06-12
申请号：EP17205944.6
申请日：2017-12-07
申请人： Siemens Gamesa Renewable Energy A/S
发明人： Azar, Ziad , Thougaard, Hans-Joergen
IPC分类号： H02K1/14 , H02K21/22 , H02K7/18 , F03D80/80
摘要： It is described an electric generator (10) comprising a stator (11) having a stator body (13) extending axially between a first axial end portion (21) and a second axial end portion (22), the frame body (13) including a plurality of teeth (15) circumferentially distributed around a longitudinal axis (Y) of the stator (11) and extending axially from one to the other of the first axial end portion (21) and the second axial end portion (22).
The stator body (13)
further comprises an axial middle portion (23).
The circumferential width (S1, S2) of each of the plurality of teeth (15) varies along the longitudinal axis (Y), the circumferential width (S1) at the axial middle portion (23) of the stator body (13) being greater than the circumferential width (S2) at the first axial end portion (21) and/or at the second axial end portion (21).

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