Patent ID: 7815423
Filing Date: 2010-10-19
Classification: F04C

Abstract:
1. A scroll compressor comprising: a housing; a non-orbiting scroll member including a first end plate and a first spiral wrap upstanding therefrom, said non-orbiting scroll member being axially movable relative to said housing; an orbiting scroll member including a second end plate and a second spiral wrap upstanding therefrom, said first and second spiral wraps being interleaved to define a moving fluid pocket that decreases in size as it moves from a radially outer position to a radially inner position; a main bearing housing supporting said orbiting scroll member and including a fluid passageway; a tube having an axis extending along its length and fixed for axial movement along said axis with said non-orbiting scroll member and in fluid communication with said fluid passageway; and a port formed in said non-orbiting scroll member and in fluid communication with said tube to inject vapor into said at least one moving fluid pocket.