Back Blow-off ventil Czech Turbolader#Umluftventil German Válvula de descarga Spanish Soupape de décharge French Pop-off (meccanica) Italian ブローオフバルブ Japanese 블로오프 밸브 Korean Dumpventil NN Dumpventil NB Zawór upustowy Polish
Throttle open, therefore the blowoff valve is shut
Throttle closed, air pushes the blowoff valve open (upwards)
A blowoff valve (also called dump valve or compressor bypass valve) is a pressure release system present in most petrol turbocharged engines. Blowoff valves are used to reduce pressure in the intake system as the throttle is closed, thus preventing compressor surge.[1]
- ^ "All you ever needed to know about blow-off valves". www.gfb.com.au. Retrieved 1 September 2018.