US 12,444,999 B2
Brushless high speed motor
Pengju Nie, Shenzhen (CN); Hui Liu, Shenzhen (CN); Yongmin Zhu, Shenzhen (CN); and Gang Xu, Shenzhen (CN)
Assigned to Shenzhen Keller Intelligent Control Technology Co., Ltd., Shenzhen (CN)
Filed by Shenzhen Kelier Intelligent Control Technology Co., Ltd., Shenzhen (CN)
Filed on May 11, 2023, as Appl. No. 18/315,783.
Claims priority of application No. 202222779006.6 (CN), filed on Oct. 21, 2022.
Prior Publication US 2024/0136869 A1, Apr. 25, 2024
Prior Publication US 2024/0235288 A9, Jul. 11, 2024
Int. Cl. H02K 1/18 (2006.01); H02K 5/167 (2006.01); H02K 5/20 (2006.01)
CPC H02K 1/187 (2013.01) [H02K 5/167 (2013.01); H02K 5/20 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A new-type-of-brushless high speed motor, comprising a cylindrical air duct shell, a stator assembly fixed on an upper part of an inner hole of the cylindrical air duct shell, and a rotating shaft fixed on a lower part of the inner hole of the cylindrical air duct shell through an upper bearing and a lower bearing,
wherein the upper bearing and the lower bearing are fixed on a lower part of the rotating shaft, after an upper part of the rotating shaft is fixed with a magnetic ring, it extends into the inner cavity in a middle of the stator assembly together with the magnetic ring, and a bottom of the lower part of the rotating shaft is fixedly provided with fan blades,
an upper side of the stator assembly is fixedly provided with an adapter plate and is electrically connected to it, and an upper side of the adapter plate is fixedly provided with connection terminals and electrically connected to it, and the connection terminals are connected to an external control power supply for power supply,
wherein the cylindrical air duct shell is configured as a split type, which comprises an inner hole column, an air duct, and a shell,
the shell is a cylindrical thin-walled structure, the air duct is integrated with the shell and is arranged on an inner surface of the shell, and the air duct is tightly fitted and fixedly installed on an outer surface of the inner hole column;
wherein the outer surface of the inner hole column is further provided with rubber storage grooves surrounding the inner hole column, and there are one or more rubber storage grooves.