Patent ID: 6773017
Filing Date: 2004-08-10
Classification: F16J

Abstract:
A single-piece seal assembly, comprising:an annular seal body having first and second ends; a retainer attached to said first end of said seal body; a rotable seal having a first and a second face, said rotable seal concentric with said retainer and having a notch positioned on an inner diameter of said second face; a shim positioned in said notch, said shim adapted to provide a selected seal compression; an annular bellows having a pre-determined height, said bellows having first and second ends, said bellows bellows affixed to an inner diameter of the seal body; a ring seal holder affixed to said first end of the bellows, said ring holder having first and second ends; and a ring seal on said first end of said ring seal holder, wherein said retainer retains said bellows, said rotable seal having said notch with said shim positioned therein, said ring seal holder, and said ring seal in said seal body thereby providing a single-piece seal, and wherein said bellows and said shim are adapted cooperate to provide a selected seal compression.