Vacuum servo
Template:Short description Template:Refimprove
A vacuum servo (also called a brake booster, power booster, or power brake unit) is a component used on motor vehicles in their braking system, to provide assistance to the driver by decreasing the braking effort. It uses a vacuum, usually supplied by the engine, to multiply the driver's pedal effort and apply that effort to the master cylinder.[1]
Because the servo depends on the vacuum supplied by a running engine, a check valve is typically used in the vacuum line to maintain residual vacuum without engine support, allowing limited use even after parking.
The system was invented by Albert Dewandre[2] who, together variously with Bosch and Clayton-Dewandre Ltd. took out further patents as it was refined.[3]
See also
Notes
Page Template:Reflist/styles.css has no content.
- ^ Page Module:Citation/CS1/styles.css has no content."Learn about Hydraulic Brakes - How a vacuum brake servo/booster works". edumech.co.uk. Archived from the original on 2016-04-25. Retrieved 2025-06-25.
- ^ Page Module:Citation/CS1/styles.css has no content."History Bosch servo brakes". Bosch Global. Retrieved 23 October 2025.
- ^ Page Module:Citation/CS1/styles.css has no content."Improvements in or relating to hydraulic braking systems". 30 March 1936. Retrieved 23 October 2025 – via google.
External links
- What is a brake booster? Script error: No such module "webarchive".
- Page Module:Citation/CS1/styles.css has no content.Nice, Karim (22 August 2000). "How Power Brakes Work". HowStuffWorks.com. Retrieved 2025-06-25.
Lua error in package.lua at line 80: module 'Module:Navbox/configuration' not found. Lua error in package.lua at line 80: module 'Module:Navbox/configuration' not found.
