车行天下 舱中。先进的气门装置和可变进气系统在带来良好动力性能的同时，拥有出色的节油性能。气门装置在进气方面，装配了可变凸轮正时(Variable Cam Timing, VCT)和凸轮轮廓线变换系统(Cam Profile Switching, CPS)。有了凸轮轮廓线变换系统
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4缸机为16气门DOHC（双凸轮抽）设计，配备丰田VVT-i（智能正时可变气门控制系统），最大功率179hp/6000rpm(131kw/6000rpm),最大扭矩172lb-ft/4000rpm(233Nm/4000rpm).
The 4-cylinder is a 16-valve DOHC design with Toyota’s VVT-i variable cam timing system, and is rated at 179 horsepower at 6000 rpm and 172 lb-ft of torque at 4000 rpm.
介绍了一种基于双凸轮结构的摩托车发动机可变配气正时(VVT)机构自动控制装置。
An automatic control device of motorcycle variable valve timing (VVT) mechanism is introduced based on double CAM structure.
本文简要介绍了可变气门正时(VVT)及可变升程技术，提出了一种简单而实用的新型凸轮结构。
This paper gives a brief introduction on the technology of variable valve timing (VVT) and variable-lift, and brings forward a new CAM structure which is simple and practical.
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