Author Archives: ashishbatra

Variable Valve Timing In internal combustion engines, variable valve timing, often abbreviated to VVT, is a generic term for an automobile piston engine technology. VVT allows the lift, duration or timing (in various combinations) of the intake and/or exhaust valves … Continue reading →

Fuel Energy consumption in a typical Gasoline vehicle As we discussed in last article, in a typical Petrol (Gasoline) vehicle only ~15% of energy is utilized to drive the vehicle. As to understand where we can improve the energy efficiency … Continue reading →

Energy Losses in a typical Gasoline Vehicle Only about 15% of the energy from the fuel you put in your tank is used to move your car down the road or run useful accessories, such as air conditioning. The rest … Continue reading →

So now that we have a basic idea of how gearboxes works there’s a second item in transmissions that one needs to understand – the clutch. The clutch is what enables you to change gears, and keep the car idling … Continue reading →

How does a gearbox work? In the picture below we can see the internals of a normal gearbox. It consists of helical gears meshing with each other. There are two shafts in the gearbox. The lower shaft in this image … Continue reading →

Introduction to Gear/Gearing/Gear box/Gear Ratio Before going to the system we will first understand some basic definitions about the system components. Gear is a toothed wheel that engages another toothed mechanism in order to change the speed or direction of … Continue reading →

Micro vs Mild vs Full Hybrid & Regenerative Braking Micro vs. Mild vs. Full Hybrid As we have already discussed on Micro, Mild and Full Hybrids last week, lets briefly go through the simplest definition of Micro, Mild and Full … Continue reading →

Basics of Start-Stop system and Micro Hybrid Start-Stop System The Start-stop system is based on an intelligent combination of engine, brake, and battery management, which stops the internal-combustion engine when the vehicle is at a standstill in a traffic jam … Continue reading →

Body Control Module Introduction Body Electronics is one of the fastest growing application segments within the automotive environment. In fact, the expansion of ECUs throughout the vehicle has created a need for expanded communications that has led to the “networked … Continue reading →