Author : Ajay Sonule, Aditya Pannase, Akarshit Prasad and Manish Moroliya

The project is about installation off-delay timer unit in earthmoving turbocharger machine. In this type of live project we use off-delay timer as medium to increasing the efficiency of engine as well as turbocharger. Basically, our project had been done on excavator XYZ 450 Z-AXIS. As we had find out the problem in excavator that when the operator start the machine for performing some kind of work as the excavator as widely used to perform for heavy digging jobs in mining industries so it consist of turbocharger as a main mechanical component because of it the high torque as well as large amount of power output is generated. So, after the work done the operator turn off the machine immediately without keeping the engine idle running for certain minute (2 to 3 min) as engine get shut down but still the turbocharger get rotating at high rpm approx.. 2,50,000 rpm and due to that the highly back pressure of turbocharger get strike on engine and thus the efficiency and life span of the same get hampered. Thus by introducing off-delay timer unit in earthmoving machine i.e. excavator we decreasing the maintenance cost as well as increasing the efficiency of engine and turbocharger. According to the industry calculation the cost for maintenance without timer is going to be very high which is around 1,50000 and it going to decrease by introducing this timer in excavator.

Keywords: Gasoline Engine, Exhaust Manifold, Intake Manifold, Turbocharger, Volumetric Efficiency

Article published in International Journal of Current Engineering and Technology, Vol.7, No.2 (April-2017)