Single-electric machine double-vane fan

A single-motor dual-impeller fan includes a motor, a motor shell, impellers and an air inlet and an air outlet which are arranged on the fan shell. The fan shell is fixedly connected to the shell of the motor as well as the air inlet and the air outlet respectively have two in number; the impellers arranged on the shaft of the motor also have two in number. Two impellers are respectively arranged in two fan shells; a clapboard is arranged between the two fan shells. The motor can be arranged in the two fan shells and between the two impellers; the clapboard is fixed on the shell of the fan; the shaft of the motor is extended at two sides of the shell. The motor can also be arranged at one side of the two fan shells and two impellers; the clapboard is fixed on the two fan shells; the shaft of the motor is extended at one side of the shell. The utility model can carry out relative air inlet and outlet operations, and has the functions of dual-way wind reversion or relative cooling, etc. and can be widely applied to air conditioners, large-scale wind cooling transformer and other devices which require the wind cooling heat dissipation.