Patent ID: 8469673
Filing Date: 2013-06-25
Classification: B60H,F04C,F25B

Abstract:
1. An electric compressor comprising: a compressor body constituting an air conditioner; a motor for driving the compressor body; and a control section for controlling the operation of the motor, wherein: the control section comprises a switching element for supplying an alternating current from a dc power source to each of three-phase coils of the motor to rotationally drive the motor, during the time when the operation of the electric compressor is stopping, the switching element timely supplies the alternating current to only the single-phase coil of the three-phase coils of the motor, and thereby the compressor body is heated, and wherein by rotationally driving the motor for a preset period of time, the control section pushes out the refrigerant liquefied on the outlet side of the compressor body.