In-cylinder pressure measurement utilizing a magneto-elastic element for measuring a force exerted on an engine valve assembly
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United States of America Patent
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Jan 2, 2018
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N/A
app pub date -
Sep 2, 2014
filing date -
Sep 4, 2013
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Abstract
A force sensor can include a magnetic field generator, a magnetic flux return, and a magneto-elastic layer. The magnetic flux return can extend along a first portion of at least one pathway of magnetic flux generated by the magnetic field generator. The magneto-elastic layer can be operable to be in contact with a surface subjected to force and thereby strained. The magneto-elastic layer can extend along a second portion of the at least one pathway of magnetic flux distinct from the first portion.
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