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: pump with slide-valve control (electronically controlled) valve timing model case nozzle holder set with 4 injection nozzles Cylinder head of a petrol direct injection engine M 271 Evo Mercedes Benz