A brake system that uses assistance (usually from a vacuum) to augment the force applied by the driver.
Incorrect alternative to Power-Assisted Braking. Power brakes are correctly those in which a steady, high-pressure supply of oil actuates the mechanism. When the driver lightly touches a pedal, the mechanism opens the valve controlling the brakes.
A power booster that utilizes vacuum or hydraulic pressure to boost the braking effort of the driver. Tapered Roller Bearing - A bearing that uses a series of tapered steel rollers held between inner and outer races.
A brake system that uses a power booster to make braking easier.
use a vacuum to add additional force to the brake actuating mechanism. Less effort needed on the brake pedal.