Patent ID: 6464227
Filing Date: 2002-10-15
Classification: F16J

Abstract:
A seal for maintaining a hydrostatic barrier between a movable element and a wall that is traversed by the movable element and at least partly bounds a vessel, comprising:an annular container formed by spaced axially extending walls and an end, for containing a barrier fluid; a cup-shaped substantially cylindrical part having an axially extending cylindrical wall, wherein the walls of the container and the cylindrical part are radially spaced and axially overlapped, such that the cylindrical part extends into the annular container and has an edge submerged in the barrier fluid, wherein one of said annular container and said cylindrical part is joined to the vessel and the other is joined to the movable element; wherein at least one of the walls of the annular container has at least one baffle extending radially into the barrier fluid.