Fuel injection system for an internal combustion engine

A fuel injection system for an internal combustion engine, comprising:

• a fuel distributor, wherein a high pressure accumulator is formed by an interior of the fuel distributor which comprises transverse bores opening into the interior, said transverse bores being connected to pressure lines for a fuel feed and discharge,
• a high pressure sensor arranged on a front end of the fuel distributor, said high pressure sensor being connected to the interior by way of a measuring bore, and
• a permanent magnet ring arranged on the front end of the interior assigned to the high pressure sensor,
• wherein the permanent magnet ring is arranged in an annular groove or recess such that a single magnetic surface of the permanent magnet ring is openly exposed to the interior of the fuel distributor, the openly exposed magnetic surface defining a plane that extends generally perpendicular to a direction of fuel flow through the measuring bore and being configured to attract and collect magnetic particles present in the interior of the of the fuel distributor.

A fuel injection device, comprising:

• a fuel distributor including transverse bores opening into an interior of the fuel distributor, said transverse bores being connected to pressure lines for a fuel feed and discharge,
• a high pressure sensor arranged on a front end of the fuel distributor, said high pressure sensor being connected to the interior via a measuring bore, and
• a permanent magnet ring arranged on the front end of the interior assigned to the high pressure sensor,
• wherein the permanent magnet ring is arranged in an annular groove or recess such that an only exposed magnetic surface of the permanent magnet ring defines a plane that extends generally perpendicular to a direction of fuel flow through the measuring bore and being configured to attract and collect magnetic particles present in the interior of the of the fuel distributor.