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What are the types of vehicle braking devices classified by braking force source?

1 Answers

LaArianna

07/29/25 10:45am

Vehicle braking devices can be classified into pneumatic and hydraulic types based on the braking force source. Below are detailed introductions to these two types of vehicle braking systems: 1. Pneumatic: Pneumatic braking uses a brake pedal to control an air valve for braking force regulation. During braking, the air pressure from the air reservoir to each brake cylinder is controlled by the pedal travel. The air pressure in the brake lines activates the brake cylinders, which in turn operate the brakes. Pneumatic braking typically employs drum brakes and is more suitable for heavy-duty vehicles. 2. Hydraulic: During braking, the brake pedal directly drives the master cylinder to generate pressure, which is transmitted to each brake cylinder through hydraulic lines. To reduce the required operating force, most systems are equipped with a booster. Hydraulic brakes commonly use disc brakes.

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