Importance

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Abstract

A hydraulic system primary fluid reservoir in fluid communication with an auxiliary reservoir having a cartridge and an elastic fluid impervious chamber and apparatus for sealing the elastic fluid impervious chamber with the interior thereof in fluid communication with the inside air of an associated primary fluid reservoir. Said cartridge contains an oxygen absorber that removes oxygen molecules from the reservoir air. The cartridge includes a desiccant to dry the reservoir air. A metallic heat conduction rod is partially exposed to internal air and partly exposed to ambient air. The conduction rod is in close proximity to the oxygen absorber and desiccant in the cartridge. A cool portion on the conduction rod attracts hot humid internal air causing condensation of water near the surface of the conduction rod. The temperature differential between the ends of the conduction rod during system operation and when off may result in a portion of the conduction rod being below the dew point temperature of the humid internal air. The moisture molecules in the internal air are drawn to and condense on the cooler surface of the conduction rod. The oxygen absorber and desiccant, in close proximity to the conduction rod, result in drying the air and removing oxygen molecules and this result in a high concentration of inert nitrogen gas above the oil thereby preventing oxidation of the oil.

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First Claim