US 12,355,332 B1
Nested dual-bearing flat brushless motor
Xingxing Wan, Guangdong (CN)
Assigned to Yakebi Intelligent Motor (Shenzhen) Co., Ltd., Guangdong (CN)
Filed by Yakebi Intelligent Motor (Shenzhen) Co., Ltd., Guangdong (CN)
Filed on Mar. 31, 2025, as Appl. No. 19/095,413.
Claims priority of application No. 202410786601.3 (CN), filed on Jun. 18, 2024.
Int. Cl. H02K 7/08 (2006.01); F16C 35/04 (2006.01); H02K 5/173 (2006.01)
CPC H02K 7/088 (2013.01) [F16C 35/04 (2013.01); H02K 5/1737 (2013.01); F16C 2380/26 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A nested dual-bearing flat brushless motor, comprising a first end cap, a second end cap, a connection end cap between the first end cap and the second end cap, a first connection shaft on a side of the first end cap facing the second end cap, a first connection groove formed on the second end cap and configured for accommodating the first connection shaft, a second connection shaft on a side of the second end cap facing the first end cap, a second connection groove formed on the first end cap and configured for accommodating the second connection shaft, a first bearing and a second bearing disposed in the second connection groove, and a support assembly for supporting the first bearing and the second bearing, wherein a gap between the second connection shaft and the first connection shaft forms a first accommodating cavity for the first bearing, a gap between the second connection shaft and an inner wall of the second connection groove forms a second accommodating cavity for the second bearing, so that the first bearing is nested in an inner ring of the second bearing, and the second connection shaft is disposed between an outer ring of the first bearing and the inner ring of the second bearing.