| 摘要 |
<p>An improvement in a seal assembly of the type including a seal element (22) retained by a seal housing (24), where one of the seal element and the seal housing is constructed from a compressible material, where the seal element includes a seal engagement surface and where the seal housing includes a housing engagement surface. The improvement includes at least one of the seal engagement surface and the housing engagement surface defining a depression (42, 44) for providing an isolated gap between the seal engagement surface and the housing engagement surface.</p> |
