What is the function of the engine solenoid valve?

1 Answers
LaEvelyn
07/29/25 8:48am
The function of the engine solenoid valve is: to use the electromagnetic force generated by the electric current flowing through the coil to attract the valve core, which is divided into normally open and normally closed types. It is usually used to cut off the flow of oil, water, gas and other substances, and cooperate with pressure, temperature sensors and other electrical equipment to achieve automatic control. Its characteristic is that it can work normally under vacuum, negative pressure and zero pressure, but the diameter generally does not exceed 25mm. The working principle of the engine solenoid valve is: when energized, the electromagnetic coil generates electromagnetic force to lift the closing member from the valve seat, and the valve opens; when the power is off, the electromagnetic force disappears, and the spring presses the closing member on the valve seat, and the valve closes. Automotive solenoid valves also include distributed direct-acting solenoid valves, direct-acting solenoid valves, and pilot-operated solenoid valves.
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