Patent ID: 6712591
Filing Date: 2004-03-30
Classification: F04B,Y10T

Abstract:
A discharge valve for a hermetic compressor, comprising:a valve plate disposed on a cylinder head of the hermetic compressor allowing intake and discharge of refrigerant according to reciprocal movement of a piston, the valve plate having a discharge hole formed therein through which refrigerant is discharged; a non-curved in cross-section disc valve disposed above the discharge hole of the valve plate, being raised by the pressure of the refrigerant caused by the reciprocal movement of the piston and lowered by its own weight; and a non-curved in cross-section stopper disposed above the disc valve, for limiting height to which the disc valve may be raised to a predetermined range, wherein the stopper is connected to the valve plate by a plurality of guiding pins for guiding the raising and lowering of the disc valve with an open space there between defined by the guiding pins disposed upright around the discharge hole of the valve plate, the plurality of guiding pins guiding the disc valve by point-contact between the guiding pins and the disc valve.