Electric motor assembly with muffler bank

摘要

An electric motor assembly. An air-ventilated electric motor includes a motor housing having a cooling-air inlet and a cooling-air outlet. An outlet muffler array is located outside, and spaced apart from, the motor housing and includes two or more outlet mufflers each having a fluid entrance and a fluid exit. An outlet connecting duct has a first end connected to the cooling-air outlet of the motor housing and has a second end connected in parallel to the fluid entrances of each of the outlet mufflers. The assembly may also include an inlet muffler array and an inlet connecting duct.