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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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The OCV Oil Control Valve Structure of VVT System
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The OCV Oil Control Valve Structure of VVT System The OCV Oil Control Valve Structure of VVT System

The VVT system's OCV valve is a proportional valve, that is, the movement position of the spool is proportional to the PWM duty ratio provided by the ECU of the engine to the OCV coil. When the duty ratio is gradually increased, the electromagnetic force of the coil is gradually increased, the iron core assembly moves in the solenoid, and the valve core is pushed forward against the spring force. When the duty cycle signal is gradually reduced, the electromagnetic force is gradually reduced. The spool gradually returns to its position under the action of the spring force. During the movement of the spool, the valve sleeve cooperates with the valve sleeve to realize the switching of the oil passage, thereby controlling the direction and flow of the oil into and out of the OCV valve, and controlling the flow of oil flowing into or out of the oil chamber of the phaser.
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