HigH EfficiEncy SinglE VanE Vacuum PumP

Car Vacuum Pump

The WABCO difference

• Over50yearsofexperienceindesigningvacuumpumps

• Company-widecommitmenttoenvironment&safety

• Globalproductionandengineeringsupportbase

Introducing WABCO’s 2nd Generation Single Vane Vacuum Pump

Value to customers

• Powerconsumption&noiseemission-lowestincategory

• Reliableproduct-millionsofpumpsfittedonvehicles

• Provenbenefits-innovativetechnology

www.wabco-auto.com

Single vane vacuum pump performance

Offersimprovedperformanceandvolumetricefficiency.

Time(s)

VacuumLevel(kPa)

PerformanceComparisonof190ccPumps

WABCO2ndgenerationpump

WABCO1stgenerationpump

Power consumption

OffersimprovedpowerconsumptionefficiencyandreducedCO2emissions.

Pow

erConsumption(W

)PumpSpeed(rpm)

g-CO2/km(NEDC*)

EfficiencyComparisonofWABCOVacuumPumps

*NewEuropeanDriveCycle

WABCO2ndgenerationpump

WABCO1stgenerationpump

Generated NVH signal

LowerNVH*levelsforimproveddriverandpassengerexperience.

Acceleration(m/s

2 )

Generation1StandardPump

Generation2LowNoisePump

Signalsshownbasedonrealtestdata

*NoiseVibrationHarshness

WABCO2ndgenerationpump

WABCO1stgenerationpump

ComparisonofNVH*LevelsofWABCOVacuumPumps

©2017WABCOAllRightsReserved-8200103523EN/8201803523JP

WABCO single vane vacuum pump reference designs

Additionalfuelpumpdrivehousing

Pulleydriven Camdriven Oilpumpdriven(tandemtype)

Remoteoilfeedandexhaust

Secondarycircuitwithbrakecircuit

protection