US Patent 8052406 Scroll machine having improved discharge valve assembly

A valve retainer is provided for securably retaining a discharge valve assembly within a recess formed in a scroll. The valve retainer can be installed between the recess of the non-orbital scroll and the discharge valve assembly to retain the discharge valve assembly at the recess. The valve retainer can include a ring-like body having inwardly and/or outwardly extending tangs for cooperating with structure formed on the respective valve and the recess of the non-orbital scroll.