Gear case oil sampler

Measuring and testing – Sampler – sample handling – etc. – Withdrawing through conduit or receptacle wall

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Details

7386384, 7386385, 7386462, 7386463, 7386434, G01N 114

Patent

active

045804532

ABSTRACT:
In a gear case oil sampling device for use with a gear case containing a quantity of lubricating oil, an axially bored access plug is connected with the gear case. The plug includes an oil tube immersed in the lubricating oil when the gear system is idle and an air core valve normally closes the plug bore. An oil sample container slidably surrounds a piston for longitudinal movement of the container relative to the piston. An axially bored piston rod projects out of the container open end and is connectable with the access plug in a plug valve opening manner to provide fluid communication between the container and the gear case oil. A one-way clutch connects the open end of the container with the piston rod to permit manual movement of the container relative to the piston rod in one direction and reduction below atmospheric pressure in the container closed end portion.

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