2020年3月4日 · CVVD works exactly as it sounds. It's a system within the head that can alter how long valve stays open within the combustion cycle, allowing for more or less air to travel in and out of the...

2019年7月3日 · Hyundai calls the technology Continuously Variable Valve Duration (CVVD) and claims an increase in performance of 4 percent with 5 percent better efficiency, along with a 12 percent improvement...

2020年3月4日 · Hyundai's brilliant engine technology continuously varies valve duration!Variable Valve Timing vs Lift (VVL vs VVT) - https://youtu.be/I5dy2Vnf95wSubscribe f...

This is the world's first production engine to use Continuously Variable Valve Duration (CVVD) technology, allowing it to adjust how long its intake valves remain open independently of timing and lift. Hyundai claims a 4% increase in performance, 5% increase in efficiency, and a 12% decrease in tailpipe emissions due to this technology. [22]

If you just want to know what Hyundai's CVVD system can do and how it drives, see our companion story comparing the tech to Nissan's VCT system. Keep reading for more on how this advanced tech...

2019年7月2日 · Unveiled alongside the new CVVD technology is the new Smartstream G1.6 T-GDi Engine, a V4 gasoline turbo unit with 134kW and 265Nm of torque. The new powertrain is the first to utilise the Group’s new CVVD technology and also features Low-Pressure Exhaust Gas Recirculation (LP EGR) to further optimise fuel efficiency.

2019年7月2日 · Hyundai Motor Group has developed the world’s first Continuously Variable Valve Duration (CVVD) technology to feature in future Hyundai and Kia vehicles. ...more. CVVD optimizes both engine...

2020年7月7日 · 可变气门升程技术 （VVL）最为典型的一个代表，就是 本田VTEC！ 通过在凸轮轴上设计2~3种角度的凸轮，来实现不同的气门升程。 比如在低转速下，采用低角度凸轮实现较低的气门升程，提升经济性，而在高转速时切换到高角度凸轮，使得气门打开的幅度变大，为爆发性能吞进更多的空气。 常说的爆TEC，就是高转速下切换到“高凸”的时候。 本田的VTEC不是线性切换更不是无极可调的，通常是2~3段，难道没有线性、无极可调的？ 有！ 宝马家 …

2022年10月18日 · Similar to a variable valve lift or a variable valve timing, CVVD manages the engine valve timing for opening and closing. Unlike the former technology, CVVD is able to offer adjustments to different types of driving scenarios. The CVVD is located within the head and alters how long the valve will stay open during a combustion cycle.

2019年7月3日 · Hyundai Motor Group has developed the first Continuously Variable Valve Duration (CVVD) technology to feature in future Hyundai and Kia vehicles. The innovation was revealed at Hyundai Motorstudio Goyang on Wednesday alongside the Smartstream G1.6 T-GDi—the first engine to feature the technology.