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US 4,466,508 AGranted
Lubrication device
AssigneeIngersoll-Rand Company
InventorFrederick W. Buse
Life of this patent
Estimating the term…
Abstract
A pump has a rotating shaft supported by a pair of bearings. An oil sump is located below the shaft and contains oil for lubrication of the bearings. Roll pins are inserted into respective holes in the shaft to extend into the oil sump during rotation of the shaft to thereby throw oil for lubrication onto the bearings.
Claims4
A lubrication system for a rotating shaft support assembly having a shaft extending between two ends supported by a bearing at each end, said system comprising:
- an oil sump positioned below the shaft support assembly having oil stored to a selected level below the shaft,
- a first hole and a second hole in the shaft, said holes each at a selected distance from a respective bearing and extending part way into the shaft and having a depth and width adapted to receive and retain a pin, and
- a pin inserted into each hole having a length selected to extend below the oil sump level during a selected portion of rotation of the shaft.
Dependencies are inferred from the claim text.