(19)
(11) EP 4 473 644 A1

(12)

(43) Date of publication:
11.12.2024 Bulletin 2024/50

(21) Application number: 22809065.0

(22) Date of filing: 24.10.2022
(51) International Patent Classification (IPC): 
H02K 37/12(2006.01)
H02K 1/14(2006.01)
(52) Cooperative Patent Classification (CPC):
H02K 37/12; H02K 1/2791; H02K 1/146; H02K 2201/06
(86) International application number:
PCT/EP2022/079642
(87) International publication number:
WO 2024/088509 (02.05.2024 Gazette 2024/18)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(71) Applicant: Huawei Technologies Co., Ltd.
Shenzhen, Guangdong 518129 (CN)

(72) Inventors:
  • HAKOJARVI, Juha Matti
    16440 Kista (SE)
  • EROMAKI, Marko
    16440 Kista (SE)

(74) Representative: Gill Jennings & Every LLP 
The Broadgate Tower 20 Primrose Street
London EC2A 2ES
London EC2A 2ES (GB)

   


(54) HOLLOW CORE STEPPER MOTOR