Abstract
Internal combustion engines are the most commonly used engines in the automotive world. However, these engines lack an overheating prevention system against cooling system failures when they exceed their normal operating temperature. Less experienced drivers (users) usually do not notice overheating until the engine stops, generating economic expenses in engine repairs. As such, this paper describes the design and construction of an electromechanical device to prevent engine overheating. This device is installed in a vehicle and operates independently from the electronic control unit (ECU); it records the coolant temperature and controls air admission to the engine of the vehicle in which it is installed. In addition, a new Arduino-based card will receive signals from a temperature sensor as input and process them according to its programming. Then, it will send signal outputs to the actuators: a servomotor, monitor, LED display, and buzzer. To control the intake flow, a butterfly valve is used with the servomotor. This valve partially or totally restricts the engine airflow, based on the temperature programmed for the Arduino, thus protecting the engine from overheating.
Highlights
This paper describes the design and construction of an electromechanical device to prevent engine overheating
This device is installed in a vehicle and operates independently from the electronic control unit (ECU); it records the coolant temperature and controls air admission to the engine of the vehicle in which it is installed
The overheating of internal combustion engines causes lubrication problems due to lowering oil viscosity levels
Summary
The overheating of internal combustion engines causes lubrication problems due to lowering oil viscosity levels. Some factors that might cause the generation of high temperatures in a water-cooled internal combustion engine are as follows: obstruction of the air circulation holes of the radiator, water pump failures, radiator-fan-belt breakages, radiator water leaks, stuck thermostat, and other cooling system related issues [1]. Because engines may reach impressive internal temperatures of up to 2000 °C, the cooling system is designed to disperse part of the temperature produced by the combustion process of the engine. It must absorb, circulate, control, and dissipate temperature [2]. Water is cooled when it passes through the radiator blades It is important for the engine-cooling liquid to not be ordinary water because combustion engines work
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