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US 2006/0049280 A1Published application
Rotary coupler with bearing lubrication
AssigneeUnist, Inc.
InventorsWallace Boelkins, Jeffrey Coffey
Life of this patent
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Abstract
A lubrication system for a rotary coupler comprises a rotary coupling configured to deliver fluid from an external fluid source through a rotating member mounted in a bearing and lubricating the bearing.
Claims32
A rotary coupling, comprising:
- a housing defining a bearing chamber;
- a rotatable shaft having a portion located in the bearing chamber and an internal lubricant passageway having an inlet and an outlet, with the inlet configured to receive a lubricant that is expelled through the outlet;
- a bearing located within the bearing chamber and disposed between the housing and the shaft to rotatably mount the shaft to the housing;
- and
- a lubricant inlet in the housing and fluidly coupled to the bearing chamber whereby an externally located lubricant can be supplied to the bearing.
2 more elements
A lubrication system comprising:
- a rotary coupling comprising a housing, a bearing in the housing, and a rotating member supported by the bearing in the housing, and configured to deliver fluid from an external fluid source through the rotating member;
- and a lubricant supply external of the rotary coupling and fluidly coupled to the bearing for delivering a lubricant to the bearing.
A method for lubricating a rotary coupling comprising a housing defining a bearing chamber, a shaft having a portion located in the bearing chamber, and a bearing located within the bearing chamber and disposed between the housing and the shaft to rotatably mount the shaft to the housing, the method comprising:
- lubricating the bearing while the shaft is rotated.
Dependencies are inferred from the claim text.