Patent ID: 9086152
Filing Date: 2015-07-21
Classification: F16J

Abstract:
1. A mechanical face seal, comprising: a rotating counter ring having a sealing surface, the counter ring including: a first axial projection that protrudes from a radial plane of the counter ring and is disposed at a radially outer end of the counter ring; and a second axial projection that protrudes from the radial plane and is spaced from and facing a radially inner end of the counter ring, wherein the second axial projection is disposed at a distance from the first axial projection and the first projection protrudes further from the radial plane than the second projection; and a stationary face seal ring having a sealing surface, the sealing surface of the counter ring being disposed opposite from the sealing surface of the face seal ring, the sealing surfaces of the counter ring and the face seal ring bearing against each other; wherein the first axial projection and the second axial projection protrude away from the stationary face seal.