Method and apparatus for measuring oil viscosity
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United States of America Patent
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Aug 27, 2013
Grant Date -
Jul 7, 2011
app pub date -
Dec 23, 2010
filing date -
Jan 5, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
Embodiments of a probe for measuring an oil viscosity are provided. In one embodiment, the probe includes a housing, a magnetoelastic ribbon, an electromagnetic coil, a temperature sensor and an electrical board. The housing is mounted to an oil containing member. The magnetoelastic ribbon is fixed to an inside of the housing through a first insert member at one end and is at least partially immersed in the oil at an opposite end. The electromagnetic coil is disposed in the housing to surround the magnetoelastic ribbon. The temperature sensor is mounted to the housing for measuring a temperature of the oil. The electrical board is electrically connected to the electromagnetic coil and the temperature sensor.
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