May 2002

Columns

HP Reliability: Upgrading with ring lubricated tilt pad bearings

Many types of rotating machines such as pumps, electric motors, fans, generators, blowers, small turbines and gearboxes operate using two axially grooved, oil ring lubricated bearings. ..

Bloch, Heinz P., Hydrocarbon Processing Staff

Many types of rotating machines such as pumps, electric motors, fans, generators, blowers, small turbines and gearboxes operate using two axially grooved, oil ring lubricated bearings. These bearings receive their lubrication by means of an "oil ring" that surrounds the shaft journal and hangs into the oil reservoir. When the shaft rotates, the oil ring rotates, drags oil up from the sump and deposits a portion of the adhering oil from the ring onto the journal to lubricate the bearing. Amazingly, little development and analysis have been conducted and published on this type of bearing, especially in view of the huge num

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