Patent ID: 8083236
Filing Date: 2011-12-27
Classification: F01D,F05D,F16J

Abstract:
1. An improved staggered seal assembly comprising: a rotating element having at least one first elongated fin which extends radially outward from said rotating element said rotating element comprising a plurality of rotating fins extending radially outward from said rotating element, and wherein said at least one first elongated rotating fin extends radially further outward from said rotating element than said plurality of rotating fins; a static element radially surrounding said rotating element and having a first notch, said first notch on a first end of said static element, wherein said first notch comprises a region of said static element having a reduced radial thickness; said static element comprising at least one first static fin extending radially inward toward said rotating element, at least one first staggered fin extending radially outward from said rotating element, adjacent to said static element and radially surrounding said rotating element; and wherein said at least one first elongated rotating fin extends radially into said first notch.