Patent ID: 7661938

Claim:
A linking element between the two volutes of a scroll compressor, of the type comprising an annular body having two series of pegs projecting from at least one side of the annular body, the pegs of a first series being engaged in slots in the fixed volute and the pegs of a second series being engaged in slots in the moving volute, to ensure orbital movement of the moving volute with respect to the fixed volute, those faces of the pegs of any one series which contact the walls of the slots of the corresponding volute being parallel, and the contact faces of the pegs of the first series are perpendicular to the contact faces of the pegs of the second series, said linking element being characterized in that the annular body is made of a first metal of a given density and the pegs of the first and second series are made of a second metal less dense than the first metal.