5610392020039 Automobile Engine Parts Aluminum Water Pump For Car ROHS

Motor Vehicle Engine Parts Electric Diesel Small Petrol Mini Water Pump 5610392020039

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What is a car water pump

In the cylinder block of a car engine, there are multiple water channels for the circulation of cooling water, which are connected to the radiator (commonly known as the water tank) placed at the front of the car through water pipes to form a large water circulation system. There is a water pump, driven by the fan belt, to pump out the hot water in the engine block waterway, and pump in the cold water. There is also a thermostat next to the water pump. When the car is just started (cold car), it is not turned on, so that the cooling water does not pass through the water tank, but only circulates in the engine (commonly known as the small cycle), until the temperature of the engine reaches 95 degrees or more. When it is turned on, the hot water in the engine is pumped into the water tank, and the cold wind when the car moves forward blows through the water tank, taking away the heat.

Water pump drive

It is generally driven by the crankshaft of the engine through a V-belt. The transmission belt is looped between the crankshaft pulley and the water pump pulley. The water pump shaft rotates as soon as the crankshaft rotates, and the water pump shaft drives the impeller to rotate, thereby realizing the conversion of mechanical energy into hydraulic energy.
The impeller is the core of the pump. The movement of the impeller itself is very simple, just rotating with the shaft. However, due to the action of the blades, the movement of the liquid in the impeller is very complicated; on the one hand, it makes implicated motion with the rotation of the impeller, and on the other hand, it is continuously thrown out of the rotating impeller under the drive of the blade, that is, it moves relative to the impeller. Therefore, the outer diameter of the impeller, the height and angle of the impeller blades, and the gap with the water pump casing directly affect the performance of the water pump.

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