Global Patent Index - EP 3759800 A1

EP 3759800 A1 20210106 - ELECTRIC MOTOR

Title (en)

ELECTRIC MOTOR

Title (de)

ELEKTROMOTOR

Title (fr)

MOTEUR ÉLECTRIQUE

Publication

EP 3759800 A1 20210106 (DE)

Application

EP 19706621 A 20190222

Priority

  • DE 102018202943 A 20180227
  • EP 2019054403 W 20190222

Abstract (en)

[origin: WO2019166333A1] The invention relates to a brushless electric motor (6) having a stator (4) and having a rotor (2) which is drive-connected to a rotating element (28), wherein the rotor (2) has a permanent-magnet rotor magnet (2a) which is magnetized in the manner of a Halbach arrangement, wherein the rotor magnet (2a) is an injection-moulded part containing embedded magnetically anisotropic magnet material, which injection-moulded part is formed at least partially from a ferrite, and wherein the rotor (2) is integrated into the rotating element (28) or is joined to said rotating element.

IPC 8 full level

H02K 7/14 (2006.01); H02K 1/27 (2006.01); H02K 21/22 (2006.01)

CPC (source: EP US)

B29C 45/17 (2013.01 - US); H02K 1/2733 (2013.01 - EP US); H02K 1/2792 (2022.01 - EP US); H02K 7/14 (2013.01 - EP US); H02K 15/03 (2013.01 - US); H02K 21/22 (2013.01 - US); H02K 21/22 (2013.01 - EP)

Citation (search report)

See references of WO 2019166333A1

Designated contracting state (EPC)

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 state (EPC)

BA ME

DOCDB simple family (publication)

DE 102018202943 A1 20190829; CN 111954971 A 20201117; EP 3759800 A1 20210106; MA 52409 A 20210106; US 2020403469 A1 20201224; WO 2019166333 A1 20190906

DOCDB simple family (application)

DE 102018202943 A 20180227; CN 201980015217 A 20190222; EP 19706621 A 20190222; EP 2019054403 W 20190222; MA 52409 A 20190222; US 201916975770 A 20190222