Lubrication system and its modification method

Lubrication – Lubricators – Constant level

Reexamination Certificate

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Details

C184S006230

Reexamination Certificate

active

06845847

ABSTRACT:
A lubrication system for a bearing of a machine. The system comprises an oil tank, and an oil supply pipe for supplying the lubricant oil from the oil tank to the bearing. The system further comprises an outlet pipe for guiding the lubricant oil from the bearing substantially vertically downward so that an outlet pipe oil level may be formed in the outlet pipe. The system further comprises an oil returning mother pipe for guiding the lubricant oil from the outlet pipe to the tank. The oil returning mother pipe includes a substantially horizontal part and a weir or a flow resistance disposed close to the tank so that substantially all portion of the substantially horizontal part may be maintained full of lubricant oil.

REFERENCES:
patent: 2460814 (1949-02-01), Duerr Jr.
patent: 3502186 (1970-03-01), Hewitt
patent: 3871484 (1975-03-01), Thomas
patent: 3934678 (1976-01-01), Jennings
patent: 61-14796 (1986-05-01), None
patent: 63-34305 (1988-03-01), None

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