Claw pole type magnetic suspension torque motor

• Main Authors: RUAN JIAN, HUANG JIAHUI, MENG BIN, SONG ZHANKAI, HAN LIANGTAO
• Format: Patent
• Language: Chinese; English
• Published: 08.11.2022
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; GENERATION

A claw pole type magnetic suspension torque motor comprises a stator assembly and a rotor assembly which are coaxial and are in clearance fit. The stator assembly comprises an end cover, claw poles, a coil framework, a coil and a flux sleeve; the claw poles comprise an upper claw pole and a lower claw pole; a coil framework is arranged in a cavity formed between the upper claw pole and the lower claw pole, and a coil is wound on the coil framework; the rotor assembly comprises an annular shell, a permanent magnet, a base and a rotating shaft, the annular shell sleeves the claw pole, the base is arranged at the bottom of the annular shell, a base shoulder is arranged on the base, and a blind hole is formed in the center of the base shoulder; the lower end of the rotating shaft is fixedly arranged in the blind hole, and the upper end of the rotating shaft upwards penetrates through the flux sleeve of the stator assembly; the stator assembly is assembled with the rotating shaft of the rotor assembly through clea