Patent ID: 7033151

Claim:
A check valve of a scroll compressor having a driving unit inserted in a casing and generating a driving force, and a compression unit including an orbiting scroll and a fixed scroll for compressing and discharging fluid when the driving unit is driven, comprising: a valve guide having one side fixed at an upper surface of the fixed scroll and having a certain space at an upper side of a discharge passage of the fixed scroll through which fluid is discharged; and a valve member with one side fixed at the upper surface of the fixed scroll, being slidably disposed in a horizontal direction at an inner surface of the valve guide, and performing an opening and closing operation on the discharge passage by being slid in a horizontal direction of the valve guide, wherein the valve guide comprises: an exhaust portion protruded in a semicircular shape in an upward direction of the discharge passage to form a space through which fluid is discharged; a fixed portion extended to one side of the exhaust portion and fixed at an upper surface of the fixed scroll; and a guide portion extended to the other side of the exhaust portion and guiding the valve member to be slid in a horizontal direction.