Patent ID: 6767195
Filing Date: 2004-07-27
Classification: F04B,Y10T

Abstract:
A valve for hermetic compressor, comprising:a cylinder block having a cylinder formed therein, a cylinder head having a refrigerant suction chamber and refrigerant discharge chamber, which are partitioned from each other by a partition; a valve plate disposed between the cylinder block and the cylinder head; the valve plate comprising at least first, second and third plates, each plate having a thickness different than each of the other plates and a material density different than each of the other plates; a refrigerant suction passage interconnecting the refrigerant suction chamber and the cylinder; and a refrigerant discharge passage interconnecting the refrigerant discharge chamber and the cylinder; a suction valve configured to open and close the refrigerant suction passage while being moved by pressure in the cylinder; and a discharge valve configured to open and close the refrigerant discharge valve while being moved by pressure in the cylinder.