Tag Archives: VCT

Car branding strategy

If you have a practice of reading stuffs around you, it’s quite obvious that the branding names used for various cars are intriguing!
So, have you ever wondered what does i-VTEC or VTVT actually means?
Let us analyse the various second names AKA branding names used by automobile giants!
1) I-VTEC
Honda is a Japanese company known for its classy sedans. You might have heard Honda City 1.5L i-VTEC.
i-VTEC stands for inte`e valve timing and lift electronic control
So, what is valve timing and lift?
Basically an engine consists of 2 valves. An inlet and an exhaust valve. Inlet valve should be open while the air is entering the cylinder and exhaust valve must open in order to throw out the burnt gases.
The opening and closing of these valves should be very accurate and takes fraction of a second. The accuracy is achieved by rocker arms and cams. For better economy and power, valve timing is not always constant, it changes with the engine RPM.

vtec-sys

What’s unique in i-VTEC?
i-VTEC consists OHV based 3 CAMs and 3 Rocker arms for a set of valves. Initially, when the engine RPM is low, each rocker arm is actuated by a corresponding CAM. The outer arms are connected to push rods which open the inlet and exhaust valves. So the middle arm is of no use. It simply reciprocates!
But at higher RPMs (approx 3000), A pin connects Continue reading Car branding strategy