Method and device for monitoring oil oxidation in real time by measuring fluorescence
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United States of America Patent
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Jun 24, 2008
Grant Date -
Aug 16, 2007
app pub date -
Apr 18, 2006
filing date -
Feb 14, 2006
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Expired
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Abstract
There is provided a method and a device of monitoring oil oxidation in real time. The method of the present invention comprises the steps of: irradiating ultraviolet light into oil to be monitored; measuring fluorescence emission intensity of the oil in red, green and blue wavelength bands; determining one value measured in a relatively long wavelength band and the other value measured in a relatively short wavelength band among the fluorescence emission intensity measured in the red, green and blue wavelength bands; calculating a fluorescence emission ratio which is defined as a ratio of the value measured in the relatively long wavelength band to the value measured in the relatively short wavelength band; and monitoring a change in the fluorescence emission ratio. It is then determined whether the fluorescence emission ratio reaches a predetermined critical magnitude. When the fluorescence emission ratio reaches the critical magnitude, the necessity of replacing the oil with new one is indicated.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Han, Hung Gu | Seoul, KR | 10 | 200 |
Kong, Hosung | Seoul, KR | 7 | 130 |
Makarenko, Vladimir | Gomel, BY | 6 | 89 |
Markova, Lyubov | Gomel, BY | 2 | 84 |
Semenyuk, Mikhail | Gomel, BY | 3 | 99 |
Yoon, Eui Sung | Seoul, KR | 18 | 121 |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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