Engineering:Vacuum servo
From HandWiki
Short description: Car part
Brake booster from a Geo Storm.
A vacuum servo is a component used on motor vehicles in their braking system, to provide assistance to the driver by decreasing the braking effort. In the US it is commonly called a brake booster.
A vacuum servo also known as a power booster or power brake unit uses a vacuum to multiply the driver's pedal effort and apply that effort to the master cylinder. [1] It can not be used when the engine is off, mostly after a few attempts.[clarification needed]
See also
Notes
External links
- What is a brake booster?
- "How Power Brakes Work", (a 4-page basic tutorial article, with illustrations & animation) at HowStuffWorks.com
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