there were more than 1.4 billion motor vehicles in the world and every vehicle needs fuel to run. Day by day fule consumption is increased and the recourses are limited. Due to the limited resources the fuel price increase, day by day and the demand of fule is also increased. Due to this car companies are forced to make cars that give you the best mileage. If your car does not gives you the best mileage you are out of the market. So the automotive companies give continue efforts to make their best mileage and power output. The automotive companies introduce new technology day by day. One of the most famous technology is CDA or Cylinder deactivation system. In 2012 Volkswagen introduced Active Cylinder Technology (ACT) or Cylinder deactivation system (CDA) the first manufacturer to do so in four-cylinder engines.
- What is CDA:-
A cylinder deactivation system is used to reduce the fuel consumption and emissions of an internal A cylinder deactivation system is used to reduce the fuel consumption and emissions of an internal combustion engine during light-load operation during light-load operation. In typical light-load driving, the driver uses only around 30% of an engine’s maximum power. This technology is used in multi-cylinder engines for example in 4 cylinder engine the 2 cylinders the fuel supply will be cut off and the engine runs only with 2 cylinders By shutting down half of an engine’s cylinders, the amount of fuel being consumed is much less. which increases pressure in each operating cylinder, and decreases the amount of fuel being pumped into the cylinders, fuel consumption can be reduced by 8 to 25 % in highway conditions.
Cylinder deactivation is not just for gasoline engines. In diesel engines, cylinder deactivation is used for the purpose of exhaust heating. By deactivating cylinders at low loads, the remaining active cylinders work harder and produce more heat, which gets the after-treatment system hotter and quicker and reduces emissions. This system was intelligently controlled by ECU. Mercedes Benz, General Motors, Ford, Volkswagen Group, etc manufacture this technology.
The more cylinders you have in your engine, the more fuel you need to use to keep it running the engine. By not using all the cylinders of your engine all the time, less fuel can be used. A cylinder deactivation system has been proven to improve mileage, but it may not always be by a significant amount. Just because you are shutting down half the cylinders in an engine doesn’t mean that you will get the mileage that is twice as good. The actual benefits vary depending on the vehicle type, vehicle weight, and powertrain.
The future of this technology is very bright. In the future, we see that all vehicles have used this CDA technology.
- Benefits of CDA:–
The benefits of cylinder deactivation Technology are
It improves fuel efficiency (10% to 25%)
It helps to reduce emissions
It optimizes airflow in the engine at a low load.
Helps to spend less money on fuel
In diesel, more efficient exhaust after-treatment due to higher exhaust temperatures
- Did you know:–
Supercars also use CDA technology. Lamborghini Huracan and Lamborghini Aventador use this technology and Bugatti also uses this technology.