in-line injection pump with RSV flyweight governor function of the RSV 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 1141 see also: common rail injector with magnetic coil at the bottom Cummins Pump Mercedes-Benz camshaft adjustment rotor pump, PC