Camshaft Drive Torque Measuring Device Built in a Chain Sprockt

A device built in a camshaft drive chain sprocket for detecting precise torque fluctuation with minimum change on the valve drive system dynamical characteristics was developed. Strain gages are placed on thin plate areas in the sprocket disc. The signal from the circuit goes through frequency modul...

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Bibliographic Details
Main Authors: Masao Ishihama, Sotaro Kanai, Tomohiko Iida
Format: Article
Language:English
Published: Society of Automotive Engineers of Japan, Inc. 2012-10-01
Series:International Journal of Automotive Engineering
Online Access:https://www.jstage.jst.go.jp/article/jsaeijae/3/4/3_20124036/_article/-char/en
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author Masao Ishihama
Sotaro Kanai
Tomohiko Iida
author_facet Masao Ishihama
Sotaro Kanai
Tomohiko Iida
author_sort Masao Ishihama
collection DOAJ
description A device built in a camshaft drive chain sprocket for detecting precise torque fluctuation with minimum change on the valve drive system dynamical characteristics was developed. Strain gages are placed on thin plate areas in the sprocket disc. The signal from the circuit goes through frequency modulation and is transmitted to demodulation circuit via coil antennas. By this arrangement, almost perfect linearity was observed in the relationship of the output voltage and the applied torque. Torque fluctuation measured with this device on a model cylinder head driven by a variable speed motor showed good correlation with simulation results.
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publisher Society of Automotive Engineers of Japan, Inc.
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spelling doaj.art-34efcb734f50493d8bb920a7ba8888262023-12-28T02:38:35ZengSociety of Automotive Engineers of Japan, Inc.International Journal of Automotive Engineering2185-09922012-10-013410711310.20485/jsaeijae.3.4_107Camshaft Drive Torque Measuring Device Built in a Chain SprocktMasao Ishihama0Sotaro Kanai1Tomohiko Iida2Kanagawa Institute of TechnologyKanagawa Institute of TechnologyKanagawa Institute of TechnologyA device built in a camshaft drive chain sprocket for detecting precise torque fluctuation with minimum change on the valve drive system dynamical characteristics was developed. Strain gages are placed on thin plate areas in the sprocket disc. The signal from the circuit goes through frequency modulation and is transmitted to demodulation circuit via coil antennas. By this arrangement, almost perfect linearity was observed in the relationship of the output voltage and the applied torque. Torque fluctuation measured with this device on a model cylinder head driven by a variable speed motor showed good correlation with simulation results.https://www.jstage.jst.go.jp/article/jsaeijae/3/4/3_20124036/_article/-char/en
spellingShingle Masao Ishihama
Sotaro Kanai
Tomohiko Iida
Camshaft Drive Torque Measuring Device Built in a Chain Sprockt
International Journal of Automotive Engineering
title Camshaft Drive Torque Measuring Device Built in a Chain Sprockt
title_full Camshaft Drive Torque Measuring Device Built in a Chain Sprockt
title_fullStr Camshaft Drive Torque Measuring Device Built in a Chain Sprockt
title_full_unstemmed Camshaft Drive Torque Measuring Device Built in a Chain Sprockt
title_short Camshaft Drive Torque Measuring Device Built in a Chain Sprockt
title_sort camshaft drive torque measuring device built in a chain sprockt
url https://www.jstage.jst.go.jp/article/jsaeijae/3/4/3_20124036/_article/-char/en
work_keys_str_mv AT masaoishihama camshaftdrivetorquemeasuringdevicebuiltinachainsprockt
AT sotarokanai camshaftdrivetorquemeasuringdevicebuiltinachainsprockt
AT tomohikoiida camshaftdrivetorquemeasuringdevicebuiltinachainsprockt