A Study of Engine Exhaust Pressure as an Alternative Usage

Abstract

This study investigated the ability of engine exhaust pressure on a gasoline engine as an alternative usage. The investigation is based on the similar idea in turbocharges system development which exhaust gas drive a turbine to spins an air compressor that push extra air and oxygen into the cylinders. Alternative usage in this study means the exhaust pressure produce by using simple tools act as an emergency pump for under inflation tyre. Implementation of this study is to ease the emergency situation that rarely occurred or may occur, especially for motorist in urgent situation. It will help many drivers either to repair or buy any special tools in market. This study focused on the experimental method by refill the air in the tyre with exhaust gas and discussion on the results. The pressure produces by the backpressure need to achieve required pressure (140kPa to 220kPa) to pump under inflation tyre. However, the major problem is this exhaust pressure will be decrease after the gas flow through the catalytic converter and muffler. The parameters were measured during the engine operation: one is revolution per minutes (rpm) produce by the exhaust stroke engine and the other is pressure increase in under inflation tyre. As a result, exhaust pressure can be used as emergency case but more prefer to refill motorcycle tyre pressure or unloaded tyre for a car. It also acts as an optional to conventional pump for pressurize the under inflation tyre. This study can be continuing by increasing the number of data includes any size of vehicle and redesign a special tool to increase the exhaust pressure after the exhaust manifold.