in-line injection pump with RQV flyweight governor function of the RQV governor (variable- speed governor) displacement of the piston rod torsion of all pump plungers by turning the camshaft one can see the stroke of all pump plungers function of the pressure valves description ordernumber 1145 see also: Common-rail high pressure pump with fuel-delivery regulation valve and injector common-Rail high-pressure pump with injector air-mass sensor with hot film distributor plunger (on a rack)