Patent ID: 7922463

Claim:
A linear compressor comprising: a frame having a cylindrical portion and a collar extended outwardly from the cylindrical portion; a cylinder inserted into the cylindrical portion of the frame, the cylinder having a protruding portion protruded from the cylindrical portion of the frame in a front direction of the cylinder; a piston mounted in the cylinder to be reciprocated therein; a linear motor supported by the collar of the frame and adapted to reciprocate the piston; a discharge unit covering the end of the cylinder to receive a discharge valve and having a discharge hole to discharge compressed operating fluid from the cylinder, the discharge unit having a top, and a sidewall extending downwardly from the top, the sidewall having an inner surface and an outer surface; and a cylinder cover located in front of the cylindrical portion of the frame and interposed between the protruding portion of the cylinder and the inner surface of the discharge unit sidewall, an outer diameter of the cylinder cover being smaller than an outer diameter of the cylindrical portion of the frame, the cylinder cover being made of a diamagnetic material.