Patent ID: 6409484
Filing Date: 2002-06-25
Classification: F04B

Abstract:
An oil supply unit of a linear compressor comprising:a well-closed container filled with oil; a frame installed within the well-closed container; a cylinder fixed at the frame; a piston inserted in the cylinder and being linearly and reciprocally movable by a linear motor; an oil cylinder fixed at a lower portion of the frame so as to be put in the oil filling the well-closed container, and being vibrated in the horizontal direction according to the reciprocal movement of the piston; an oil piston inserted in the oil cylinder in a manner of dividing the inside of the oil cylinder to a suction space and a discharge space that communicate with each other, and being vibrated in the horizontal direction; an oil suction unit installed at an outer side of the suction side of the oil cylinder; an oil discharge valve installed at the outer side of the discharging side of the oil cylinder; wherein the oil suction valve is rectangular in form, of which an upper end portion is fixed at the frame and a lower end portion is rotatably positioned in the suction side direction of the oil cylinder; and wherein the oil suction unit includes an oil suction valve for opening and closing the suction side of the oil cylinder, and an oil suction cover for covering the suction side of the oil cylinder and having the oil suction valve inside thereof.