Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Reexamination Certificate
2011-08-02
2011-08-02
Nguyen, Vincent Q (Department: 2858)
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Lumped type parameters
C324S459000
Reexamination Certificate
active
07990161
ABSTRACT:
Disclosed herein are an apparatus for measuring the total acid number of oil, an apparatus for measuring the lifetime of oil through the measurement of the total acid number of oil, a method for measuring the total acid number of oil, and a method of making measurements using an oil sensor. According to the disclosed invention, measurement accuracy can be increased through the use of a high-sensitivity conductance measuring sensor, the inventive apparatus can be applied to both lubricant oil and insulating oil, the size of the total acid number-measuring apparatus can be reduced.
REFERENCES:
patent: 2007/0208243 (2007-09-01), Gabriel et al.
patent: 2008/0143351 (2008-06-01), Lee et al.
patent: 6-201649 (1994-07-01), None
patent: 10-2006-0108427 (2006-10-01), None
patent: 10-0648423 (2006-11-01), None
Ju Byeong Kwon
Shin Kyung
Yeo Cheol Ho
Drinker Biddle & Reath LLP
Korea University Industrial & Academic Collaboration Founda
Nguyen Vincent Q
SNS Revolution Co., Ltd.
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