Shrouded face seal and components thereof

摘要

One embodiment of the face seal described herein includes a seal seat and a seal element carried by a seal housing. The seal element cooperates with the seal seat to establish a seal. The housing includes a seal element support and a shroud. The seal housing is made of a parent material and the shroud has a tip impregnated with a second material.

主权项

1. A face seal, comprising a seal seat and a seal element carried by a seal housing and cooperating with the seal seat to establish a seal, the housing including a seal element support and a shroud, wherein the seal housing is made of a parent material and the shroud has a tip impregnated with a second material, wherein the seal element includes a blank with a nose extending axially therefrom, the blank being stepped so that a first radial region extends axially beyond a second radial region of the blank, wherein the first and second radial regions define respective first ands second steps, and the tip is axially between the first and second steps.