Classification of throttle valve

What are the classifications of throttle valves? I believe many friends who play with cars don't know. Let's explain it to you by our small series of Pacific Auto.

There are four types of electronic throttles: electro-hydraulic type, linear electromagnet type, stepping motor type and DC servo motor type. However, electro-hydraulic type and stepping motor type are rarely used in automobiles because of their low control accuracy, while linear electromagnetic type consumes a lot of power. DC servo motor type overcomes the above two situations well, so it is widely used in automobiles. In addition, the throttle valve also needs to be replaced regularly, and the length of time mainly depends on factors such as the quality of air filter, the quality of engine oil and the road conditions of vehicles.

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