Vacuum Brakes

Vacuum Brakes:

In this type of breaking system the medium is vacuum. in this, piston is attached to the brake link by this it is used to move along with piston. When the air enters in to the cylinder due to high pressure piston used to move to and fro motion. In this the air of medium pressure is below the atmospheric pressure. It is applied due to difference between the atmospheric pressure and vacuum. it has different parts like cylinder, piston, atmospheric air valve, it has a brake link attached to piston, vacuum reservoir,breather etc.. In this process vacuum is applied on one side of large piston from a vacuum reservoir.and the other side of the piston is exposed to the atmospheric pressure.

Due to the difference between the atmospheric pressure and the pressure difference between two sides of the piston and it helps to move with in the cylinder.in this atmospheric pressure air escapes through the air breather port. This type of system is used in Ford trucks.

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