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US 11,629,720 B2Granted
Thrust box and skid for a horizontally mounted submersible pump
AssigneeExtract Management Company, LLC
InventorsKevin Bierig, James Gardner
Life of this patent
Estimating the term…
Abstract
A thrust box with improved cooling comprises a case having an interior, a first passageway and an opposing second passageway. A shaft passes through the case and the first and second passageway. A thrust runner is secured to the shaft and a pump ring is attached to the thrust runner. Advantageously, the pump ring facilitates oil rate circulation and cooling among other benefits.
Claims15
A thrust box comprising:
- a case having an interior, a first passageway and an opposing second passageway;
- a shaft passing through the case and the first and second passageway;
- a thrust runner secured to the shaft;
- a pump ring attached to the thrust runner;
- and
- bearing pads;
- wherein the pump ring comprises vanes configured to direct oil flow between bearing pads and the thrust runner.
4 more elements
In a thrust box comprising:
- a case having an interior, and a first passageway and an opposing second passageway;
- a shaft passing through the case and the first and second passageway;
- a first and second bearing located inside the case and holding the shaft in alignment relative to the case;
- a first seal secured to the case by a first collar and providing a seal between the first passageway and the shaft;
- a second seal secured to the case by a second collar and providing a seal between the second passageway and the shaft;
- a thrust bearing mounted in the interior of the case;
- an upthrust ring secured to the case and engaging the thrust bearing;
- a thrust runner keyed to the shaft wherein the improvement comprises:
- a pump ring attached to the thrust runner configured to increase an oil flow rate in the thrust box;
- and bearing pads wherein the pump ring directs oil flow between the bearing pads and the thrust runner.
7 more elements
Dependencies are inferred from the claim text.