Method and device for the real-time measurement of the consumption of oil from an engine oil separation system, using radioactive tracers
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United States of America Patent
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Jul 27, 2010
Grant Date -
Jul 3, 2008
app pub date -
Mar 11, 2005
filing date -
Mar 11, 2004
priority date (Note) -
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Abstract
The invention relates to a method of determining the consumption of oil from an oil separation system (2) in the blow by gas recycling circuit of an internal combustion engine. The invention is characterised in that it comprises the following steps consisting in: marking the lubrication oil of the engine by inserting at least one radioactive tracer, trapping the oil that has not been separated from the blow by gases exiting the oil separation system (2) in an oil trapping device (4) which is located downstream of the oil separation system (2); using a detector (3), which is positioned close to the oil-trapping device (4) and which is sensitive in the ionising radiation emitted by the radioactive tracer(s), in order to measure the radioactivity of the oil which has not been separated in the oil separation system (2) and which is held back by the oil-trapping device (4); and transmitting the results of said measurements to a computer (5) which can calculate therefrom the consumption of lubricating oil that has not been separated in the separation system (2). The invention also relates to a device for implementing one such method.
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