ROLLER FOR A ROLLER PLUNGER OF A HIGH PRESSURE FUEL PUMP, ROLLER PLUNGER, HIGH PRESSURE FUEL PUMP, AND INTERNAL COMBUSTION ENGINE

摘要

The present invention provides a first material 40 designed to form a first composite roller area 38 and a second material 44 for forming a second composite roller area 42, To the roller 26 for the roller plunger 20 of the high-pressure fuel pump 14, as shown in Fig. The first material 40 and the second material 44 are connected to each other to form a composite roller volume element 46 and the first material 40 is lighter than the second material 44. The present invention relates to an internal combustion engine 10 having a roller plunger 20 having a roller 26, a high-pressure fuel pump 14 having a roller plunger 20 and a high-pressure fuel pump 14 and a crankshaft 12 More.