A driveshaft assembly (100), for example in an Electronic Unit Injector, Unit Injector or Electronic Unit Pump testing machine, wherein an indexing means (118,152,162), such as complementary external and internal splines, enables a cam (102) to be mounted ...

The pump-nozzle unit for the injection of a medium, especially fuel, includes a pump (2) with a piston (3), and a pressure chamber (5) hydraulically connected to a nozzle chamber (11) via a pressure channel (6,9). The pump interacts with a control valve (7...

A novel injection-pump plunger used in a unit injector for an EMD-type diesel engine has its upper (cut-off) control edge shaped to retard start of injection at full power from what it is with standard plungers, and to provide in a straight-line manner a r...