公开(公告)号：US20190214873A1

公开(公告)日：2019-07-11

申请号：US16236672

申请日：2018-12-31

Applicant: SIEMENS GAMESA RENEWABLE ENERGY A/S

Inventor： ZIAD AZAR

IPC: H02K3/42 ,  H02K1/18 ,  H02K21/14 ,  H02K7/18 ,  F03D9/25

CPC classification number: H02K3/42 ,  F03D9/25 ,  F05B2220/7068 ,  H02K1/185 ,  H02K1/187 ,  H02K7/1838 ,  H02K21/14 ,  H02K2201/06

Abstract: An electric generator longitudinally extends along a longitudinal axis between a drive end and an opposite non-drive end. The electric generator includes a stator having: a stator body including a stator yoke and a plurality of teeth protruding according to a radial direction orthogonal to the longitudinal axis from the stator yoke to respective tooth radial ends, each tooth extending longitudinally between the drive end and the non-drive end, a stator support for radially supporting the stator body, the stator support further providing an axial support to the stator body at the non-drive end, an end plate for axially supporting the stator body at one of the drive end or the non-drive end.

公开(公告)号：US20190088392A1

公开(公告)日：2019-03-21

申请号：US16127320

申请日：2018-09-11

Applicant: SIEMENS GAMESA RENEWABLE ENERGY A/S

Inventor： ZIAD AZAR ,  HANS-JOERGEN THOUGAARD

IPC: H01F7/02 ,  H01F41/02

Abstract: Provided is a permanent magnet for a permanent magnet machine, a permanent magnet machine, and a method of manufacturing a permanent magnet for a permanent magnet machine. The permanent magnet includes a base body having a first side and a second side which is an opposite side with respect to the first side, wherein at least one first slit is formed in the base body such that the at least one first slit extends from the first side in the direction of the second side.

公开(公告)号：US20190260254A1

公开(公告)日：2019-08-22

申请号：US16277058

申请日：2019-02-15

Applicant: Siemens Gamesa Renewable Energy A/S

Inventor： ZIAD AZAR ,  SUBHRA SAMANTA

IPC: H02K3/28 ,  H02K7/18 ,  H02K1/04 ,  H02K1/16 ,  H02K1/27

Abstract: A stator assembly, a wind turbine and a method for manufacturing a stator assembly for an electrical machine with a concentrated winding stator design is provided. The method includes (a) providing a stator coil having a first coil axis and a first spatial design with, a first length along a first direction and a first width along a second direction; (b) exerting on the stator coil a tension force along the first direction and/or a compressive force along the second direction such that the first spatial design transforms into a second spatial design with a second length and a second width, wherein the second length is larger than the first length and the second width is smaller than the first width; and (c) placing the stator coil having the second spatial design around a single stator tooth of a stator yoke of the stator assembly.