Brushless motor equipped with bearing assembly

• Main Authors: CAO TIANYOU, GUI CHANGQING
• Format: Patent
• Language: Chinese; English
• Published: 10.09.2019
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; GENERATION

The utility model relates to a brushless motor equipped with a bearing assembly. The brushless motor comprises an air channel housing provided with a bearing assembly fixing block, a stator assembly,a rotor assembly, a bearing assembly, a third bearing and a front coil holder. The bearing assembly comprises a bearing sheath provided with a second center through hole, a first bearing and a secondbearing, wherein the first bearing and the second bearing are installed in the second center through hole. The third bearing is arranged in a third bearing chamber of the front coil holder; the statorassembly is fixed on the air duct shell; the front coil holder is arranged on a stator core of the stator assembly; the rear end of a rotating shaft of the rotor assembly is inserted from an inner hole of the first bearing and an inner hole of the second bearing. A bearing sheath of the bearing assembly is located in a first central through hole of the bearing assembly fixing block, the front endof a rotating shaft of the