Hyundai reveals world’s first CVVD engine expertise

Basically, the brand new Constantly Variable Valve Period (CVVD) expertise is the third-generation of Hyundai’s VVT system.

Hyundai Motor Group (HMG) has taken the idea of Variable Valve Timing (VVT) expertise to the following degree with the appearance of third-gen CVVD engine expertise. To present the readers a little bit of background, Hyundai first launched the S-CVVT (Single Steady Variable Valve Timing) in 2006, adopted by the second-gen D-CVVT (Double Steady Variable Valve Timing) setup in 2010. With the third-gen CVVD although, Hyundai claims it could actually obtain extra efficiency, extra effectivity & decreased emission ranges as in comparison with the previous powertrains.

Customary VVT management expertise works by managing the timing of the valve’s closing & opening within the engine (CVVT), or by controlling the amount of air coming into the combustion chamber and accordingly adjusting the valve’s depth of opening (CVVL). Nevertheless, with CVVD management expertise, the period of the valve’s opening & closing could be regulated. In a method, this provides the engineers extra management over the engine’s mapping & additional fine-tuning could be achieved to be able to optimise effectivity, efficiency & emissions.

Thus, when the engine is working at low speeds, the air consumption valve opens throughout the latter half of the compression stroke to scale back friction. Inversely, when the engine must run at increased speeds, the consumption valve is shut originally of the compression stroke to utilise the utmost quantity of air within the combustion course of, thereby boosting torque and acceleration.

The CVVD expertise will make its debut on HMG’s Smartstream G1.6 T-GDi four-cylinder petrol motor, which has an output of 174bhp & 265Nm of torque. The engine itself will first be seen of the brand new Hyundai Sonata Turbo, on account of arrive within the second half of 2019 and also will energy the Kia Seltos. Nevertheless, the Seltos won’t be supplied with the 1.6-litre motor in India.

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Hyundai CVVD Know-how

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Supply : Autox.com

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