PISTON FUEL PUMP FOR AN INTERNAL COMBUSTION ENGINE
摘要
A piston fuel pump for an internal combustion engine includes a pump cylinder and a pump piston slidably accommodated in the pump cylinder. The piston fuel pump has a supporting and sealing assembly for the pump piston. The supporting and sealing assembly includes a guiding region configured to axially guide the pump piston in the pump cylinder and a sealing region having a sealing lip.