AUTOMATIC TRANSMISSION GEARBOX WITH CENTRIFUGAL CLUTCHES

Abstract

The various developments in the automobile field are going on increasing; hence we have also tried to modify the transmission system of light weight vehicles such as motorbikes for simplicity in driving the vehicle in an efficient way. The disclosure herein is concerned with an automatic transmission gearbox with centrifugal clutches which operates automatically as engine speed (RPM) goes on increasing. In this work we have designed and manufactured the automatic gearbox model which consists of gear assembly with three different gear ratios and centrifugal clutches of various spring tensions, which driven by electric motor. This gearbox overcomes disadvantages of Continuous variable Transmission (CVT) system by replacing belt and pulleys with centrifugal clutches and gear assembly, which is more compact and avoids loss of power when operating at high speed. Also it is light in weight, efficient, reliable, less time consuming and economical of manufacturing.