Patent ID: 6773242
Filing Date: 2004-08-10
Classification: F04C

Abstract:
A scroll machine comprising:a first scroll member having a first scroll wrap extending from a first end plate, said first scroll wrap defining a first outer end; a second scroll member having a second scroll wrap extending from a second end plate, said second scroll wrap defining a second outer end, said second scroll wrap being intermeshed with said first scroll wrap; a drive mechanism for causing said second scroll member to orbit with respect to said first scroll member, said first and second scroll members forming a first enclosed space when said first outer end contacts said second scroll wrap and forming a second enclosed space when said second outer end contacts said first scroll wrap, said first and second enclosed spaces moving from a radial outer position to a central position during said orbiting of said second scroll member; a single fluid injection passage extending through one of said first and second scrolls, said single fluid injection passage terminating in a single fluid port in simultaneous communication with said first and second enclosed spaces, said single fluid injection passage injecting fluid through said single fluid port into said first enclosed space and into said second enclosed space simultaneously during said orbiting of said orbiting scroll member.