Patent ID: 8550789

Claim:
A linear compressor, comprising: a mechanical unit including a fixed member having a compression space therein, a movable member linearly reciprocated in the fixed member to compress a refrigerant sucked into the compression space, one or more springs provided to elastically support the movable member in a motion direction of the movable member, and a motor connected to the movable member to linearly reciprocate the movable member in an axial direction; and an electric control unit including a rectification unit receiving AC power and outputting a DC voltage, an inverter unit receiving the DC voltage, converting the DC voltage to an AC voltage according to a control signal, and supplying the AC voltage to the motor, a current sensing unit sensing a current flowing between the motor and the inverter unit, an integrator circuit unit integrating a voltage corresponding to the current sensed by the current sensing unit, and a control unit receiving an integrated value from the integrator circuit unit and controlling the AC voltage applied to the motor to permit the reciprocation of the movable member.