Patent ID: 6902381

Claim:
A cylinder head for a reciprocating compressor, comprising: a frame including a plate portion extending from a frame body so as to have a predetermined size, a through hole formed at the body and an insertion groove formed at one side of the body so as to form a concentric circle with the through hole; a cylinder including a flange portion formed at an end of a cylinder body having an internal compression space, a ring-shaped protrusion formed at a side of the cylinder body so as to have a predetermined width and a height, wherein the cylinder body and the flange portion respectively contact the through hole and the insertion groove of the frame; a discharge cover including a cap-shaped plenum portion having an inner diameter corresponded to an outer diameter of the ring-shaped protrusion, a flange portion radially extending from an end of the plenum portion so as to have a predetermined size, wherein the outer diameter of the ring-shaped protrusion is inserted into the inner diameter of the flange portion and the flange portion contacts a stepped surface of the insertion groove of the frame; a plurality of bolts for combining the flange portion of the discharge cover with the frame body; and a valve body inserted into the plenum portion of the discharge cover and opening/closing the compression space of the cylinder.