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Prediction of Chain Load in Timing Chain System

Article of Honda R&D Technical Review Vol.14 No.1

Summary

A chain load prediction technique was established to investigate timing chain durability under conditions of a variable valve lift timing mechanism and a continuously variable valve timing mechanism. Modeling a tensioner with a relief valve and valve train made it possible to predict the chain load at different relief pressures and valve timings. Furthermore, telemeter techniques were also developed enabling direct measurement of the chain load at high engine speeds, which was formerly impossible. The validity of the simulation was also verified using an actual engine. These developments made it possible to predict the chain load up to high engine speeds at different relief pressures and valve timings.

Reference

(1) Wang, K. W.: Vibration Analysis of Engine Timing Chain Drives with Camshaft Torsional Excitation, SAE Paper 911063
(2) Reinicke-Murmann, J.: Analysis and Development of Camshaft Drive Systems Using a Computer Simulation, SAE Paper 9400448
(3) Hwang, Shng-Jiaw: Torsional Response of Automotive Timing Chain Systems, SAE Paper 940689
(4) Gregori, H.: Simulation der dynamischen Effekte im Steuerkettentrieb mit Hilfe der FE-Method, Konstruktion 45 p. 358–364 (1993)
(5) Rosse, J.: Simulating the Dynamic Behaviour of Chain Drive Systems by Advanced CAE Programs, SAE Paper 960298
(6) Ishimoto, E., Suzuki, K.: Vibration of Roller Chain Drive System, TSUBAKI TECHNICAL REVIEW Vol. 5, No. 1, p. 41–48 (1995)
(7) Hellinger, W. Priebsch, H. H, Rainer, G.Ph: Auslegung von Ventiltrieben für Hochleistungsmotoren — Rechnerische und Experimentelle Verfahren. 16. Internationales Wiener Motorensymposium 1995
(8) Weber, C.: Experimental Investigation into the Dynamic Engine Timing Chain Behavior, SAE Paper 980840

Author (organization or company)

Hiroshi TAKAGISHI(Tochigi R&D Center)、Hitoshi SUGAWARA(Tochigi R&D Center)

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