US 11,936,259 B2
Food processor and electric motor for food processor
Xiantang Liang, Foshan (CN); Liancheng Chen, Foshan (CN); Congshan Pang, Foshan (CN); Zhifeng Wang, Foshan (CN); Lei Xiao, Foshan (CN); and Zhenfeng Yang, Foshan (CN)
Assigned to GUANGDONG MIDEA CONSUMER ELECTRIC MANUFACTURING CO., LTD., Foshan (CN)
Appl. No. 16/968,876
Filed by GUANGDONG MIDEA CONSUMER ELECTRIC MANUFACTURING CO., LTD., Foshan (CN)
PCT Filed Aug. 3, 2018, PCT No. PCT/CN2018/098625
§ 371(c)(1), (2) Date Aug. 11, 2020,
PCT Pub. No. WO2019/169828, PCT Pub. Date Sep. 12, 2019.
Claims priority of application No. 201810187834.6 (CN), filed on Mar. 7, 2018; application No. 201810187842.0 (CN), filed on Mar. 7, 2018; application No. 201820315628.4 (CN), filed on Mar. 7, 2018; and application No. 201820316060.8 (CN), filed on Mar. 7, 2018.
Prior Publication US 2021/0013785 A1, Jan. 14, 2021
Int. Cl. H02K 1/27 (2022.01); A23N 1/02 (2006.01); A47J 43/00 (2006.01); A47J 43/046 (2006.01); A47J 43/08 (2006.01); H02K 1/14 (2006.01); H02K 1/276 (2022.01); H02K 11/30 (2016.01); H02K 21/16 (2006.01); H02K 29/03 (2006.01)
CPC H02K 29/03 (2013.01) [A23N 1/02 (2013.01); A47J 43/046 (2013.01); A47J 43/085 (2013.01); H02K 1/146 (2013.01); H02K 1/276 (2013.01); H02K 11/30 (2016.01); H02K 21/16 (2013.01); H02K 2211/03 (2013.01); H02K 2213/03 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An electric motor for a food processor, comprising:
a stator core having a ring-shaped stator yoke and a plurality of stator teeth provided at an inner peripheral face of the ring-shaped stator yoke, two adjacent stator teeth defining a stator slot there between, the plurality of the stator teeth defining a stator hole coaxial with the ring-shaped stator yoke, and an outer contour of a radial section of the ring-shaped stator yoke being substantially circular and having a maximum radial dimension D; and
a rotor core rotatably provided in the stator hole and coaxial with the stator hole, the rotor core having a maximum radial dimension d, wherein D and d satisfy: 0.4≤d/D≤0.55;
wherein the rotor core is provided therein with a plurality of magnet slots spaced apart in a circumferential direction of the rotor core and configured to insert permanent magnets, two ends of each of the plurality of magnet slots extend to two axial ends of the rotor core respectively, and at least one end of each of the magnet slots in the circumferential direction of the rotor core is provided with a positioning groove configured to position the permanent magnet;
wherein the permanent magnet is inserted into the positioning groove and each of the plurality of magnet slots.