Positive-pressure shell type three-phase asynchronous motor

• Main Authors: YUAN QINGWU, LI RUI, SHANG ZHIKUI, HUANG DONGZHU, CUI JIAN, JIANG HAIYAN, PAN BO, CUI LIJIA, CHEN XINGWEI
• Format: Patent
• Language: Chinese; English
• Published: 27.07.2011
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; GENERATION

The utility model relates to a positive-pressure shell type three-phase asynchronous motor, which comprises a sliding bearing assembly, a sealing pad, a motor stator, a motor rotor, a pressure relief valve, a cooler, a positive-pressure purging system control unit and a connecting fastener. The cooler is connected with the motor stator, the sealing pad is arranged between the cooler and the motor stator, the motor stator is connected with the sliding bearing assembly, transitional matching is adopted for connection of the motor stator and an end cover on the sliding bearing assembly, the motor rotor is arranged on the sliding bearing assembly, the pressure relief valve is arranged on the upper part of the motor cooler, and the positive-pressure purging system control unit is arranged on the sidewall of the motor stator. The product has a simple structure and a reasonable design. The inner cavity is free from explosive gases during startup and operation of the positive-pressure motor, no explosive gas atmosphe