Apparatus for measuring oil oxidation using fluorescent...

Optics: measuring and testing – Oil testing

Reexamination Certificate

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Reexamination Certificate

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07136155

ABSTRACT:
An apparatus for measuring oil oxidation is capable of being mounted to mechanical devices for detecting power of fluorescent light reflected from oil in real time as an indication of the oil oxidation. A plurality of first optical fibers are connected to a light-emitting member for introducing the light into oil at different incidence points. A plurality of light-reflecting mirrors are immersed in the oil and disposed opposite to the incidence points. The light-reflecting mirrors are located at different distances from the incidence points. A plurality of second optical fibers are connected to the incidence points, respectively. A plurality of light-receiving members are connected to the second optical fibers for receiving the light and outputting the signals corresponding to the received light. A control portion calculates a fluorescence quantum yield and a light absorption coefficient of the oil based upon the signals from the light-receiving members and compares them with the reference values pre-stored in the control portion to determine the oil oxidation.

REFERENCES:
patent: 4570069 (1986-02-01), Gager
patent: 4721874 (1988-01-01), Emmert
patent: 5049742 (1991-09-01), Hosonuma et al.
patent: 5200027 (1993-04-01), Lee et al.
patent: 5274335 (1993-12-01), Wang et al.
patent: 5929754 (1999-07-01), Park et al.
ASTM International D92-05a, Standard Test Method for Flash and Fire Points by Cleveland Open Cup Tester, 2005.
ASTM International D446-04, Standard Specifications and Operating Instructions for Glass Capillary Kinematic Viscometers, 2004.
ASTM International D3524-90, Standard Test Method for Diesel Fuel Diluent in Used Diesel Engine Oils by Gas Chromatography, 1990.
ASTM International D2272-02, Standard Test Method for Oxidation Stability of Steam Turbine Oils by Rotating Pressure Vessel, 2002.
ASTM International D664-06, Standard Test Method for Acid Number of Petroleum Products by Potentiometric Titration, 2004.
ASTM International D4739-05, Standard Test Method for Base Number Determination by Potentiometric Titration, 2005.

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