Patent ID: 6929456

Claim:
A valve assembly for reciprocating compressors, comprising: a cylinder; a cylinder head; and a valve assembly arranged between the cylinder and cylinder head, the valve assembly comprising: an exhaust hole plate having an exhaust hole communicating with the cylinder; a reed valve plate, with a reed valve integrally formed in the reed valve plate so as to open or close the exhaust hole; a stopper plate, with a stopper integrally formed in the stopper plate so as to limit an opening degree of the reed valve within a predetermined range, the exhaust hole plate, the reed valve plate and the stopper plate being assembled with the cylinder together with the cylinder head when the cylinder head is mounted to the cylinder; and a pressure unit integrally formed on a lower surface of the cylinder head so as to compress the stopper to support the stopper, and allow the stopper to apply pre-pressure to the reed valve.