Importance

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Abstract

A thrust bearing assembly comprising a bearing runner and a bearing carrier, the carrier defining thrust pad sites annularly around the carrier, with a thrust pad disposed at a site and with the carrier limiting movement of the thrust pad in a direction generally radial to the longitudinal axis of the runner while allowing the thrust pad to move in a direction generally parallel to the longitudinal axis. The pads can tilt under load to form a hydrodynamic wedge. A runner may have a wear resistant face. In one implementation, at each site, a deflection element (e.g., Belleville washer) is at least partially disposed within a cavity and a pad is disposed over the deflection element. The wear resistant face contacts the pad. Another embodiment rigidly connects pads disposed on opposite sides of a stationary bearing carrier. Another embodiment attaches pads to a bearing carrier using pad holder assemblies.

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First Claim