[Object] To provide the attachment structure of a fuel injection device nozzle plate capable of reducing the manufacturing man-hours and the manufacturing cost of a fuel injection device. [Solution] A fuel injection device nozzle plate (3) includes a cylin...

An object of the present invention is to improve the exhaust emission for a fuel injection valve having a stepped injection hole constructed so that a small diameter portion and a large diameter portion are communicated with each other with a stepped porti...

The invention relates to a valve assembly (2) for a fluid injector (1) for an internal combustion engine. The valve assembly (2) comprises a valve body with a valve recess (5), a central longitudinal axis (7), and a first axial end and a second axial end w...

Valve assembly (24) for an injection valve (18), comprising a valve body (26) with a central longitudinal axis (L), the valve body (26) having a valve body groove (36) extending circumferentially around the valve body (26) and being designed to take in a g...

A pressure-reducing valve (5) with an injector of the present invention includes a shuttle valve body (13), a shuttle valve seat (18)in which the shuttle valve body (13) is capable of coming into contact with and be separated, a back-pressure chamber (25),...

The motion of a control rod in a fuel injector can be detected by an electrical sensor mounted in the fuel injector housing. The sensor includes an electrical probe, insulated from the injector housing, and having a tip located to be contacted by a shoulde...

The nozzle (8) has a conical wall (13) with injection orifices (17); the pin (27) has a tip (38) activated by an axial force to engage the wall (13) and close the orifices (17); the tip (38) has a truncated-cone-shaped portion (41) having an outer surface ...