The electric compressor

An electric compressor equipped with a compression mechanism, an electric motor, a motor housing, a dispenser housing and an intermediate pressure housing. The compression mechanism has a compression chamber and is driven by the electric motor. In the motor housing of the electric motor and the compression mechanism are accommodated, and it is it formed an injection port. The dispensing package has in to a dispensing chamber into which compressed refrigerant is delivered. The intermediate pressure housing has in to an insertion opening for the introduction of intermediate pressure refrigerant from an external refrigerant circuit, and a communication passage which provided a communication between the introduction opening and the injection opening of the motor housing. The motor housing, the dispenser housing and the intermediate housing each have a bolt fastening hole and a bolt is inserted into the bolt fixing holes to fix the motor housing, the dispenser housing and the intermediate pressure housing integrally.