Turbomachine hybrid lift-off face seal

摘要

A turbomachine seal includes, among other things, a sealing member configured to be influenced by both hydrostatic and hydrodynamic forces when providing a seal.

主权项

1. A turbomachine seal, comprising:
a first seal member configured to be influenced by both hydrostatic and hydrodynamic forces when providing a seal interface together with a second seal member, the first seal member including a conduit that communicates flow to provide the hydrostatic forces, the second seal including grooves that communicate fluid to provide the hydrodynamic force.