Patent ID: 7493915

Claim:
A discharge valve for a compressor comprising: a valve seat having a discharge port; a valve plate having a fixed portion at one end thereof fixed to the valve seat and a cover portion at an opposite end thereof to open or close the discharge port, said valve plate made of a flat sheet of material devoid of any opening that passes fluid; and a valve spring positioned downstream from the valve plate to provide elasticity to the valve plate, the valve spring having a fixed portion which is fixed to the fixed portion of the valve plate and an elongated portion extending from a portion in contact with the cover portion of the valve plate in an opposite direction from the fixed portion of the valve plate, said elongated portion extending outwardly from the opposite end of the valve plate, said elongated portion being a free end; wherein the valve spring has a fluid-passage hole at the elongated portion to pass fluid discharged from the discharge port.