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    • Wheel Bearing Wheel Bearing
      Wheel Bearing is a set of steel balls or rollers held together by a metal ring called a race. They help wheels spin fast with as little friction as possible. They are used on all kinds of vehicles, fr... View More
    • Wheel Bearing Kits Wheel Bearing Kits
      When you need to change the wheel hub bearing,you also need to replace many other parts at the same time,such as hub nut,bolt,seals,split pin,and so on. If you buy these accessories separately, it wil... View More
    • Clutch Release Bearing Clutch Release Bearing
      Clutch Release Bearing is what presses down on the rotating spring plate or "pressure plate" to release the clutch disk. Levers and springs in the pressure plate release the clutch from the engine's f... View More
    • Belt Tensioner Belt Tensioner
      A Drive Belt Tensioner is a pulley mounted to either a spring mechanism or to an adjustable pivot point that is used to keep constant tension on your serpentine belt. That is the big long belt in the ... View More
    • Fuel Pump Fuel Pump
      AiX provide you with the high quality of electric fuel pump and fuel pump assembly.Fuel pump assembly is one of the vital components of fuel injection system for EFI vehicle. It dispenses fuel from a ... View More
    • Water Pump Water Pump
      Automotive Water Pump is part of the cooling system that is used inside most car engines. A functioning water pump is mandatory for the car to work, as it keeps the engine temperature below a certain ... View More
    • Wheel Brake Cylinder Wheel Brake Cylinder
      When you want your car to slow down or stop, you need to take the brake operation. At this point, you need to step down your brake pedal. In brake systems, the operated devices are cylinders inside of... View More
    • Crankshaft Crankshaft
      Crankshaft is also known as crank.It is the important part of an engine to convert the up and down motion of the pistons into horizontal rotation.It is usually made by cast iron or forged steel.The m... View More
    • VVT PHASER & OCV VVT PHASER & OCV
      VVT is the abbreviation of Variable Valve Timing. VVT PHASER is the vital component for the VVT engines.The variable valve timing technology was first developed by the Fiat in the 1960s, but the techn... View More
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HANGZHOU AIX AUTOPARTS CO.,LTD.
HANGZHOU AIX AUTOPARTS CO.,LTD.
The Working Principle of Car Water Pump
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The Working Principle of Car Water Pump The Working Principle of Car Water Pump

The engine drives the water pump bearing and the impeller through the pulley. The coolant in the water pump is rotated by the impeller, and is deflected by the centrifugal force to the edge of the water pump casing, and generates a certain pressure, and then flows out from the water outlet or the water pipe. The pressure at the center of the impeller is reduced due to the coolant being pumped out, and the coolant in the water tank is sucked into the impeller through the water pipe under the pressure difference between the pump inlet and the impeller center to realize the reciprocating circulation of the coolant.

The bearings that support the water pump shaft are lubricated with grease, so prevent the coolant from leaking into the grease and emulsification of the grease, while also preventing grease leakage. Sealing measures for water pumps to prevent leakage are water seals and gaskets. The water-sealed sealing ring and the shaft are mounted between the impeller and the bearing through an interference fit, and the water-sealed static sealing seat is tightly pressed on the casing of the water pump to achieve the purpose of sealing the coolant.

The pump housing is connected to the engine through a gasket and supports moving parts such as bearings. There is also a drain hole on the water pump housing between the water seal and the bearing. Once coolant has leaked through the water seal, it can escape from the drain hole to prevent coolant from entering the bearing chamber and damaging the bearing lubrication and causing corrosion of the part.

                                                                                  
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