(19)
(11) EP 3 874 583 A1

(12)

(43) Date of publication:
08.09.2021 Bulletin 2021/36

(21) Application number: 19805848.9

(22) Date of filing: 30.10.2019
(51) International Patent Classification (IPC): 
H02K 3/26(2006.01)
H02K 21/24(2006.01)
(86) International application number:
PCT/US2019/058716
(87) International publication number:
WO 2020/092470 (07.05.2020 Gazette 2020/19)
(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 MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 01.11.2018 US 201862754051 P
28.10.2019 US 201916665763

(71) Applicant: E-Circuit Motors, Inc.
Newton, MA 02458 (US)

(72) Inventors:
  • SHAW, Steven Robert
    Bozeman, MT 59715 (US)
  • MILHEIM, George Harder
    Bozeman, MT 59718 (US)

(74) Representative: HGF 
1 City Walk
Leeds LS11 9DX
Leeds LS11 9DX (GB)

   


(54) STATOR AND ROTOR DESIGN FOR PERIODIC TORQUE REQUIREMENTS