(19)
(11) EP 4 771 743 A1

(12)

(43) Date of publication:
08.07.2026 Bulletin 2026/28

(21) Application number: 24861282.2

(22) Date of filing: 03.09.2024
(51) International Patent Classification (IPC): 
H02K 11/042(2016.01)
H02K 5/20(2006.01)
H02K 9/193(2006.01)
H02K 11/04(2016.01)
H02K 11/05(2016.01)
H02K 5/04(2006.01)
H02K 11/33(2016.01)
H02K 9/19(2006.01)
H05K 7/20(2006.01)
H02K 11/049(2016.01)
H02K 11/30(2016.01)
(52) Cooperative Patent Classification (CPC):
H02K 9/19; H02K 11/33; H05K 7/20927; H02K 2211/03; H02K 5/203; H02K 1/32
(86) International application number:
PCT/US2024/045032
(87) International publication number:
WO 2025/050120 (06.03.2025 Gazette 2025/10)
(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:
GE KH MA MD TN

(30) Priority: 01.09.2023 US 202363536302 P
13.02.2024 US 202463553029 P

(71) Applicant: Tau Motors, Inc.
Redwood City, CA 94063 (US)

(72) Inventors:
  • PENNINGTON III, Walter Wesley
    Menlo Park, California 94025 (US)
  • STEVENSON, Gregory Gordon
    San Carlos, California 94070 (US)
  • SWINT, Ethan Bagget
    Redwood City, California 94061 (US)
  • OWEN, Michael Parker
    Raleigh, North Carolina 27613 (US)
  • PREINDL, Matthias
    New York, New York 10027 (US)

(74) Representative: Maiwald GmbH 
Elisenhof Elisenstraße 3
80335 München
80335 München (DE)

   


(54) SYSTEMS AND METHODS FOR ROTOR ASSEMBLIES AND ROTOR COOLING ARRANGMENTS