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2. Proportioning valve - Wikipedia

   en.wikipedia.org/wiki/Proportioning_valve

   A cross-section of a proportioning safety valve. A proportioning valve is a valve that relies on the laws of fluid pressure to distribute input forces to one or more output lines. Proportioning valves are frequently used in cars and other road vehicles to reduce the brake fluid pressure to the rear brakes. Due to weight distribution during ...

3. Hydraulic brake - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_brake

   The driver's brake pedal simply controls a valve to bleed pressure into the brake units at the wheels, rather than actually creating the pressure in a master cylinder by depressing a piston. This form of brake is analogous to an air brake system but with hydraulic fluid as the working medium rather than air.

4. Combined braking system - Wikipedia

   en.wikipedia.org/wiki/Combined_braking_system

   A combined braking system (CBS), also called linked braking system (LBS), is a system for linking front and rear brakes on a motorcycle or scooter. [1] In this system, the rider's action of depressing one of the brake levers applies both front and rear brakes. The amount of each brake applied may be determined by a proportional control valve ...

5. List of auto parts - Wikipedia

   en.wikipedia.org/wiki/List_of_auto_parts

   Calibrated friction brake; Caliper; Combination valve; Dual circuit brake system; Hold-down springs (retainer springs) Hose. Brake booster hose; Air brake nylon hose; Brake duct hose; Hydraulic booster unit; Load-sensing valve; Master cylinder; Metering valve; Park brake lever/handle ; Pressure differential valve; Proportioning valve; Reservoir ...

6. Railway air brake - Wikipedia

   en.wikipedia.org/wiki/Railway_air_brake

   The train brakes are released by admitting reduced and regulated main reservoir air pressure to the brake pipe through the engineer's automatic brake valve. In America, a fully charged brake pipe typically operates at 90 psi (6.2 bar; 620 kPa) for freight trains and 110 psi (7.6 bar; 760 kPa) for passenger trains. [7]

7. Category:Vehicle braking technologies - Wikipedia

   en.wikipedia.org/wiki/Category:Vehicle_braking...

   Air brake (road vehicle) Anti-lock braking system; Ausco Lambert disc brake; B. Bicycle brake; ... Power brakes; Proportioning valve; R. Retarder (mechanical ...

8. Relay valve - Wikipedia

   en.wikipedia.org/wiki/Relay_valve

   A relay valve is an air-operated valve typically used in air brake systems to remotely control the brakes at the rear of a heavy truck or semi-trailer in a tractor-trailer combination. Relay valves are necessary in heavy trucks in order to speed-up rear-brake application and release, since air takes longer to travel to the rear of the vehicle ...

9. Anti-lock braking system - Wikipedia

   en.wikipedia.org/wiki/Anti-lock_braking_system

   Valves There is a valve in the brake line of each brake controlled by the ABS. On some systems, the valve has three positions: In position one, the valve is open; pressure from the master cylinder is passed right through to the brake. In position two, the valve blocks the line, isolating that brake from the master cylinder.