Radial and Thrust Bearings
Externally-Pressurized Gas Tilting Pad (or sleeve) Bearings enable non-contact, oil-free operation. These externally pressurized air bearings employ the same mounts as current hydrodynamic oil-based bearings (not compliant foils or flexures), so that high stiffness and damping can be maintained with an easy path to retrofit. A variety of input gases in addition to air can be used – including process gas. Bently BearingsTM externally-pressurized radial gas bearings can applied using a 3, 4 or 5-pad arrangement, depending on various design inputs.
Bently BearingsTM thrust bearings can be used in place of conventional tilt-pad, hydrodynamic, oil-lubricated thrust bearings. Thrust features can be incorporated into balance pistons. Also, thrust bearings can also employ a sealing functionality, greatly simplifying sealing of compressors, pumps, and other turbomachinery.