A brake chamber is an important component of an air brake system in heavy-duty vehicles such as trucks and buses. It is responsible for converting the compressed air from the brake system into mechanical force that applies the brakes.
The brake chamber contains a diaphragm that separates the compressed air chamber from the pushrod chamber. When the brakes are applied, the air pressure from the brake system moves the diaphragm, which in turn pushes the pushrod. The pushrod then activates the slack adjuster and applies the brake shoes to the wheel.
A wedge brake is a type of brake system that uses a wedge-shaped piece of material to apply pressure to the braking surface. The wedge brake is usually used in applications where a high force is required, such as heavy equipment or trains. When the brake is applied, the wedge is pushed against the braking surface, which creates friction and slows down the vehicle or equipment.
In the context of a heavy-duty vehicle's air brake system, the brake chamber is used to activate the wedge brake. When the compressed air is released into the brake chamber, it pushes the diaphragm, which activates the pushrod. The pushrod then applies pressure to the wedge brake, causing it to slow down the vehicle.
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