Patent ID: 8066287
Filing Date: 2011-11-29
Classification: F16J

Abstract:
1. A dynamic seal, comprising: an annular mounting portion; an axially extending portion extending in a first axial direction from said mounting portion; a radially extending portion extending radially inwardly from an end of said axially extending portion; a generally conically shaped seal portion extending from an end of said radially extending portion in a direction opposite said first axial direction, said seal portion including a radially inner face adapted to engage a rotary member and a radially outer face having a region of increased thickness, said region of increased thickness being spaced from a distal end of said conically shaped seal portion and being adjacent to an intersection between said radially extending portion and said conically shaped seal portion; further comprising a running sleeve including an outer surface engaging a substantial axial length of said radially inner face of said seal portion from a location adjacent said region of increased thickness to a distal end of said seal portion opposite said radially extending portion; and a retainer ring having an end coupled to said annular mounting portion and terminating at said annular mounting portion, said axially extending portion and said radially extending portion being free from any direct contact with said retainer ring.