Tunnel boring machine

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United States of America Patent

PATENT NO 9957796
SERIAL NO

15560269

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Abstract

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The tunnel boring machine includes a data processing unit configured to obtain error data (Er) based on a current measurement value (Vp) of the strain sensor obtained at a current angle (θ) of the cutter head and a past corresponding measurement value (Vo) obtained at a corresponding angle corresponding to the current angle, to correct the current measurement data using the error data.

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Patent Owner(s)

Patent OwnerAddress
HITACHI ZOSEN CORPORATIONOSAKA-SHI

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Okada, Toshiyuki Osaka, JP 52 661

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