Cooling fans are used in automotive applications to provide airflow to the vehicle heat exchanger(s). The most common application is the radiator, but some vehicles may require fans for the oil, transmission, or air-to-air, heat exchangers.
How does the electric radiator cooling fan work?
Electric radiator cooling fans are wired to the vehicle’s electrical system and produce a steady airflow even when the vehicle is stationary. This means they provide the best airflow when your engine needs it most. Since they are electrically powered, they do not drain the vehicle’s horsepower or impact its fuel economy.
This type normally attaches directly to the radiator on either the front or the back. Front-mounted models are known as "pusher fans," while rear-mounted units are known as "puller fans." A pusher fan pushes air from the grille area over the radiator to aid in cooling, and a puller fan pulls air from the grille over the radiator from inside the engine compartment. These electric fans work off of the 12 volt system used by the automobile itself. Many of these fans are thermostatically controlled, meaning that they turn on and off at certain, preset temperatures.
Motor Quality is the Best Factor For Electric Fan
The best factor for determining the longevity and performance of the fan is the motor that drives it. When air is hot or heavy with humidity, cheaper motors won’t be able to drive the airflow needed to keep the engine cool. Worse yet, they may even burn up and fail. High performing fans will use high quality motors that can move the air in a variety of environments without fail. Look for fans that have been tested and used in real word and high performance applications, such as racing. These are the fans with a quality motor that will last. The highest quality motors will be sealed to prevent debris and water from entering the motors.
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