Radiator Fan and its History

A radiator fan found in vehicles is known to be heat exchangers being utilized for cooling internal combustion engines. Mainly in car but as well in piston-engine aircrafts stationary generating plants, motorcycles and railway trains and any similar engines. Engine coolant is most of the time water-based. Yet, there are other coolants made of oil. This is most common to utilize a water pump to force the engine coolant to circulate and an axial fan will force the air through the car engine’s radiator.

Internal combustion engines are being cooled by circulating liquid we refer to engine coolant through the engine block where it is being heated. Then through a radiator, it loses heat to the atmosphere and then returned to the car engine.   A car’s radiator will work by passing a liquid coolant through the engine, where it becomes to be extremely hot before it is being returned to the radiator where it can quickly be cooled down. This is a repetitive process, and it keeps the engine running the coolant is repeatedly re-circulated accordingly. Learn more about how does a radiator fan work.

A radiator’s cooling fan helps in the regulation of engine temperature by pulling air through the radiator. Even if a cooling fan can be necessary to prevent the car engine from overheating. These fans are not responsible for most of the cooling performed by the car radiators.

A radiator’s cooling fan helps in the regulation of engine temperature by pulling air through the radiator. Even if a cooling fan can be necessary to prevent the car engine from overheating. These fans are not responsible for the majority of the cooling performed by the car radiators.

Types of Radiator Fan

Two radiator fan types are electric and mechanical radiator fans. The mechanical radiator is driven by the belt to cool the fans. The electric fans us utilizing DC motors that run off the car’s electrical system.

Cooling fan clutches: Two Main Types

The two main types of cooling fan clutches are:

• Viscous-drive clutches are utilizing fluid coupling which allows the fan to engage when a specific engine temperature has been reached. This type of fan clutch may contain bi-metallic sensors which work similarly to what you can find in a thermostat. When the engine is cooler, the clutch is said to be decoupled and the fan freewheels. If the engine heats up, the bi-metallic sensor causes the viscous coupling to engage. The fan will spin along with the pulley to where it is attached.
• The electric fan clutches will work similar to the viscous clutches, yet they can be switched on and off by the car engine control unit.  This will allow the operations of mechanical cooling which can be tightly controlled.

Types of Radiator Fan Metals

Radiators can be made from several types of metals. However, aluminum is mostly used because of its lightweight nature and will allow the heat to dissipate evenly than other metals will.

Milestones for radiator fan

It was during the 1960s when the first clutch radiator was developed. By the early half of circa 1970, it was integrated into the cars. This type of clutch fan came into existence in order to reduce waste, lower car emissions and exhausts as well as save energy. Before the clutch fan was made, a fixed-style radiator fan was directly attached to the car engine.

The radiator cooling fans are said to be a part of a cooling system as performed by radiators. A failed cooling fan is not necessarily indicative of a possible overheating car engine. Once the engine overheats while the car is not moving, yet it overheats when the car is moving, then turning the heat may be useful. This is highly attributed to the fact that the heater core blower motor will facilitate the removal of heat from the cooling system similar to what the radiator fan will usually do.

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