Data processing: measuring – calibrating – or testing – Measurement system – Time duration or rate
Reexamination Certificate
2007-09-04
2007-09-04
Ramos-Feliciano, Eliseo (Department: 2857)
Data processing: measuring, calibrating, or testing
Measurement system
Time duration or rate
C340S457400, C701S030000, C073S053050
Reexamination Certificate
active
11305412
ABSTRACT:
A method for determining an oil condition, namely, an oil condition corresponding to the oil age or oil damage, with the following steps: a) measuring a temperature of the oil or of the part through which the oil flows, coordinating each temperature measured with one temperature range defined by an upper limit and/or a lower limit; b) as soon as the measured temperature exceeds or falls below a limit of a temperature range, measuring the period of time during which the measured temperature dwells in this range; c) in addition, integrating an oil flow running during this time over the time period measured in step b); d) from the time period measured in step b) and the integral of the oil flow determined in step c), determining an oil age or oil damage characteristic for the current temperature range.
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Grundler Rainer
Neumann Dieter
Schwemer Christian
Wagner Jens
Barbee Manuel L
Ramos-Feliciano Eliseo
ZF Friedrichshafen AG
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