The role of electric brake vacuum pump When the brake pedal is pressed, the vacuum booster is pushed by the lever, and then the brake master pump is output hydraulic oil to the sub-pump of each wheel, so that the wheel brake has a braking effect.

The output of the vacuum pump is mainly the pressure generated by the power servo system, but when it cannot work normally, the hydraulic system can still be driven by manpower to play a role in helping. The vacuum braking power system can also be called a vacuum servo system.

The braking system of the family car used in ordinary times mainly relies on hydraulic pressure as the transmission medium, and then compared with the pneumatic braking system that can provide power, it needs an assistant system to assist the driver's braking.

And it is the first use of human hydraulic braking, and then coupled with a other braking capacity source to help its power, so that the two brake systems can be used together, that is, they are two together as a brake, in order to provide energy to a system.

The working principle of automotive vacuum pump: About its source, it can mainly be said from the following, the first car with a gasoline engine, the general engine is the use of ignition, so when the intake pipe can produce a relatively large vacuum pressure.

This can provide a sufficient vacuum source for the vacuum assisted braking system, but for the diesel engine driven vehicle, because its engine is the use of compression combustion.

Therefore, the branch pipe of the intake is not able to provide the same level of vacuum pressure, which requires the use of vacuum pumps that can provide vacuum sources, and the engine designed by the vehicle to meet certain automotive emissions environmental protection requirements is also needed to provide sufficient vacuum sources to ensure the normal operation of the car.