Patent ID: 7645130

Claim:
A scroll compressor comprising: a main shaft; an orbiting scroll that has a spiral tooth on each of first and second surfaces; first and second fixed scrolls that respectively face said first and second surfaces of said orbiting scroll and that have spiral teeth that intermesh with said spiral teeth of said orbiting scroll; tip seals mounted only on said spiral tooth of said first fixed scroll and on said spiral tooth on said first surface of said orbiting scroll; a sealed vessel accommodating said orbiting scroll and said first and second fixed scrolls, wherein pressure inside said sealed vessel is equal to an intake pressure; and seal ring grooves containing seal rings that seal said orbiting scroll and said first and second fixed scrolls, said seal ring grooves being located on said orbiting scroll or on said first and second fixed scrolls, wherein said seal ring groove containing said seal ring sealing said first fixed scroll has an inside diameter that is smaller than inside diameter of said seal ring groove and said seal ring sealing said second fixed scroll.