公开(公告)号：US20230353025A1

公开(公告)日：2023-11-02

申请号：US18043706

申请日：2021-08-27

Applicant: HAGNESIA AB

Inventor： Anders HAGNESTÅL ,  Mårten KEIJSER

IPC: H02K16/02

CPC classification number: H02K16/02

Abstract: A rotating electrical machine operating by switching of magnetic flux comprises a rotor (10), a stator (20) and a winding, having at least two phase windings. The electrical machine comprises at least 5 discs being either rotor discs (12) or stator discs (22), having a magnetic flux in the axial direction. The stator discs and rotor discs are interleaved with each other via airgaps along an axial direction. The winding loop encloses magnetic flux from n>2 magnetic poles, where the winding loop length is shorter than 2*n*d, where d is the airgap width distance. The two end cap discs are mechanically connected by a stiff mechanical structure (80B) which mechanically transfers apart of the axial magnetic attraction force acting on one of the two end cap discs to the other of two end cap discs.

公开(公告)号：US20230275481A1

公开(公告)日：2023-08-31

申请号：US18043710

申请日：2021-08-27

Applicant: HAGNESIA AB

Inventor： Anders HAGNESTÅL ,  Mårten KEIJSER

IPC: H02K3/04 ,  H02K1/27 ,  H02K21/12

CPC classification number: H02K3/04 ,  H02K1/27 ,  H02K21/12

Abstract: An electrical machine (1) being a modulated pole machine operating by switching of magnetic flux comprises a rotor (10), a stator (20) and a winding (30). The rotor and stator have respective sections (12,22) interleaved with each other via more than 4 air gaps. At least two different sections each comprise a winding loop from the same phase winding. At least one of the sections that is part of the rotor is an isolated rotor section which comprises electrically non-conducting structure material.

公开(公告)号：US20230268815A1

公开(公告)日：2023-08-24

申请号：US18043700

申请日：2021-08-27

Applicant: HAGNESIA AB

Inventor： Anders HAGNESTÅL ,  Mårten KEIJSER

IPC: H02K21/44 ,  H02K1/16 ,  H02K1/18 ,  H02K3/47

CPC classification number: H02K21/44 ,  H02K1/16 ,  H02K1/182 ,  H02K3/47 ,  H02K2201/12

Abstract: An electrical machine (1) operating by switching of magnetic flux comprises a rotor (10), a stator (20) and a winding (30). The stator has at least two stator discs (22) magnetically connected in series via rotor discs (12). The electric machine topology implements the magnetic gearing effect, and has simple winding loops (32) enclosing magnetic structures (70). The magnetic structures are securely fixed to the winding.