At present, there are roughly two types of auxiliary brakes: exhaust brakes and downhill slowwriters.
exhaust braker
The exhaust brake is a type of auxiliary brake. The exhaust brake is actually a valve. It blocks the exhaust system of the engine by it, so that the engine cannot be exhausted normally. Therefore, the engine becomes an air pressure machine to absorb the kinetic energy of the car movement and reduce the driving speed of the car. Vehicles used in some mountains or plateau areas, and heavy cars and large passenger cars in the north are often installed with exhaust brakes.
The use of this exhaust brake in the downhill has the following advantages:
1. It can reduce the burden of driving brakes and not fail due to the high temperature of the brake drum.
2. Extend the service life of the driving brake system.
3. It can be non -slip. In the case of snowy roads, if it is used to brake, it is easy to make the wheels slippery. When using exhaust braking. The speed of the vehicle is slowly reduced, and the braking balance does not cause the wheels to slip. Exhaust braking is a more economical and large -effect auxiliary braking device.
downhill Slower
Use exhaust braking during the long slope. It has the opportunity to recession and extend its life. However, for heavy cars in mountainous areas or mines, the use of exhaust braking effect is limited. These two are also auxiliary braking devices.
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