| 摘要 |
A mechanical seal assembly of the type having a stationary sealing ring and a rotary sealing ring biased one toward the other to form an annular sealing interface between the relatively rotatable radial faces of the rings, one of the rings including a reservoir in its annular surface consisting of a lubricating groove or grooves providing groove portions oblique to the path of rotation of the rotary sealing ring, and having sealing face surfaces between the groove or grooves and the inner and outer peripheries of the annular interface.
|
