Oil condition detecting apparatus
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United States of America Patent
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-
Nov 15, 1988
Grant Date -
N/A
app pub date -
Dec 18, 1987
filing date -
Dec 25, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An instrument for detecting the condition of an oil is provided in which an ultrasonic wave having a predetermined waveform is propagated through the oil and assumes a change in waveform in accordance with the particular condition of the oil. The instrument includes an arrangement in which any change in the waveform of the propagated ultrasonic wave is translated into a change in terms of time involving the waveform, which is used for the detection of the particular condition of the oil.
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