Metamaterial based torque and shaft rotational speed sensor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11698311
APP PUB NO 20230131760A1
SERIAL NO

17509724

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A torque measurement system includes an outer rotational shaft and an inner rotational shaft both configured to rotate about a rotational axis. A rotation of the inner rotational shaft causes a rotation of the outer rotational shaft via a coupling structure. At least one torque applied to the inner rotational shaft is translated into a first torque-dependent angular shift between the shafts. A first metamaterial track is coupled to the outer rotational shaft and configured to co-rotate with the outer rotational shaft. A second metamaterial track is coupled to the inner rotational shaft and configured to co-rotate with the inner rotational shaft. The tracks are configured to convert an electro-magnetic transmit signal into a first electro-magnetic receive signal based on the first torque-dependent angular shift and a receiver is configured to receive the electro-magnetic receive signal and measure the at least one torque based on the electro-magnetic receive signal.

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Patent Owner(s)

Patent OwnerAddress
INFINEON TECHNOLOGIES AGGERMAN BERG LAURA IBIZA NAUMBURG SAXONY-ANHALT

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bergmann, Alexander Graz, AT 22 41
Darrer, Franz Michael Graz, AT 29 114
Hammerschmidt, Dirk Finkenstein, AT 279 2741
Michenthaler, Christof Feistritz/Gail, AT 22 51
Schossmann, Alexander Graz, AT 6 2

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