US 12,068,671 B2
Electric motor
Enrico Floete, Stuttgart (DE); Matthias Hiller, Altenriet (DE); and Thomas Stenzel, Ostfildern (DE)
Assigned to METABOWERKE GMBH, Nuertingen (DE)
Appl. No. 17/604,877
Filed by Metabowerke GmbH, Nuertingen (DE)
PCT Filed Apr. 28, 2020, PCT No. PCT/EP2020/061740
§ 371(c)(1), (2) Date Oct. 19, 2021,
PCT Pub. No. WO2020/225028, PCT Pub. Date Nov. 12, 2020.
Claims priority of application No. 10 2019 111 472.1 (DE), filed on May 3, 2019.
Prior Publication US 2023/0105337 A1, Apr. 6, 2023
Int. Cl. H02K 9/22 (2006.01); B25F 5/00 (2006.01); H02K 7/14 (2006.01); H02K 21/14 (2006.01)
CPC H02K 9/223 (2021.01) [B25F 5/008 (2013.01); H02K 7/145 (2013.01); H02K 21/14 (2013.01); H02K 9/227 (2021.01)] 8 Claims
OG exemplary drawing
 
1. An electric motor having a stator and a rotor, wherein the rotor is fitted with permanent magnets, and wherein the permanent magnets are surrounded by a rotor packet, the rotor packet attached to a heat dissipating element, wherein a gap seal is formed between an outside diameter of the heat dissipating element and an inside diameter of a coil body connected to the stator, and wherein a distance between the coil body connected to the stator and the heat dissipating element to form the gap seal is anywhere between 0.05 mm and 1 mm.