Fuel pump arrangement for motor vehicle, has valve support with valve opening arranged at free end section of cylinder that extends into pump housing

摘要

The fuel pump arrangement (1) has a pump housing (2) and a pump unit arranged in the pump housing, with which fuel is pumped in the pump housing. The pump unit has a reciprocating piston pump (8) that comprises a cylinder (9) and a piston (10) arranged in axially movable manner in the cylinder. A valve support (16) with a valve opening (20) is arranged at the free end section of the cylinder that extends into the pump housing. The valve support forms the valve seat of the outlet valve and is connected with the free end section of the cylinder in a liquid-tight manner.