Adaptation of a wireless oil level sensor to an oil pan drain plug
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United States of America Patent
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May 29, 2018
Issued Date -
N/A
app pub date -
Jan 28, 2016
filing date -
Mar 30, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
An oil drain plug and wireless oil level sensor assembly is provided including an oil drain plug having a shaft and a head, the shaft having external threads and an axial passage extending axially therein in communication with at least one radial passage extending through the shaft from the axial passage to an exterior of the shaft. An oil level sensor includes a housing having an annular mounting portion defining an aperture extending there through for receiving the shaft of the oil drain plug. A pressure transducer is in fluid communication with the aperture and connected to a circuit and a battery disposed within the housing that provide wireless signals representative of the oil level.
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