A fuel injector for an internal combustion engine includes an injector body, a first actuator for controlling movement of a first valve needle for injecting a first fuel into a cylinder of the engine, and a second actuator for controlling movement of a second valve needle for injecting a second fuel into the cylinder. Each of the actuators are axially spaced along a longitudinal axis of the injector body and has a respective conductive element for carrying current to the actuator, the injector further includes an electrical connector module which has first and second electrical connectors for connection with an associated one of the conductive elements for the actuators. The electrical connector module is mounted between the first and second actuators along the longitudinal axis of the injector body.

A flat electrical terminal is produced from a metal plate having a terminal thickness and of which one end is delimited by a first edge at the center of which a slot opens, extending along a main axis and allowing the complementary insertion and electrical connection of another flat terminal electrically connected to a device. The two opposing sides of the slot are provided with protuberances, each extending towards the opposite side such that the other terminal is designed to be in contact with the tops of the protuberances.

A fuel injector (10) comprising a needle (16) that can move between an entirely open position (PO) and a closed position (PF) is provided with a device (82) for identifying the position of the needle, in which an electrical circuit (84) is closed in the two extreme positions (PO, PF), the needle (16) being in electrical contact with the ground (G), the circuit (84) being open in any other intermediate position (Pi) of the needle (16), the needle (16) not being grounded (G).

A fuel injector which includes an actuator having an electrical contact element, a plug, a fuel supply pipe, and an injection-molded housing part. The plug has a base body, an electrical connection element for an electrical connection with the electrical contact element of the actuator, and a rib which projects from the base body, the injection-molded housing part surrounding the electrical connection element of the plug and being injection-molded on the rib of the plug and the fuel supply pipe.

A fuel injector interface device and associated method include an interface device having a plurality of input leads and a plurality of output leads. The input leads are communicatively linked to the fuel pressure sensor on the common rail of a vehicle fuel injection system. The output leads are communicatively linked to a display device such as a diagnostic scope. Circuitry positioned within the interface device detects the rail pressure signals, filters the signals, and outputs data to the display device representing a graphical depiction of the same. A method of using the interface device includes generating the signals, mapping the signals to an individual fuel injector of the vehicle's engine cylinder and determining fluctuations in the strength of the displayed signals to determine anomalies in a particular fuel injector.

A valve is used to meter a fluid. The valve can be fashioned in particular as a fuel injection valve for internal combustion engines. The valve has a housing part that is surrounded on its outer side by an extrusion coating. On the outer side of the housing part there is fashioned at least one recess into which the extrusion coating is at least partly introduced.

An injector for injecting fuel including an injector housing, a movable nozzle needle with a nozzle needle tip arranged in the injector housing, and a nozzle needle seat for receiving the nozzle needle tip. A contact pairing of the nozzle needle and the nozzle needle seat here represents a mechanical switch that adopts a closed state upon contact of the nozzle needle tip with the nozzle needle seat and an open state upon interruption of the contact. Provision is additionally made that the injector has an input line and an output line for controlling movement of the nozzle needle, the switch has a first connector connected to the input line and a second connector connected to the injector housing, and a resistor connected between the first connector of the switch and the input line.

A fuel injector interface device and associated method include an interface device having a plurality of input leads and a plurality of output leads. The input leads are communicatively linked to the fuel pressure sensor on the common rail of a vehicle fuel injection system. The output leads are communicatively linked to a display device such as a diagnostic scope. Circuitry positioned within the interface device detects the rail pressure signals, filters the signals, and outputs data to the display device representing a graphical depiction of the same. A method of using the interface device includes generating the signals, mapping the signals to an individual fuel injector of the vehicle's engine cylinder and determining fluctuations in the strength of the displayed signals to determine anomalies in a particular fuel injector.

A fuel injector interface device and associated method include an interface device having a plurality of input leads and a plurality of output leads. The input leads are communicatively linked to the fuel pressure sensor on the common rail of a vehicle fuel injection system. The output leads are communicatively linked to a display device such as a diagnostic scope. Circuitry positioned within the interface device detects the rail pressure signals, filters the signals, and outputs data to the display device representing a graphical depiction of the same. A method of using the interface device includes generating the signals, mapping the signals to an individual fuel injector of the vehicle's engine cylinder and determining fluctuations in the strength of the displayed signals to determine anomalies in a particular fuel injector.

To provide a fuel injection device capable of improving waterproof performance of the coil portion. A fuel injection device 1 includes a coil bobbin 51 disposed in a housing 70 and having a bobbin outer peripheral surface 51a that holds a coil 50 and a bobbin inner peripheral surface 51b that is a surface on an opposite side of the bobbin outer peripheral surface 51a, and a first outer peripheral surface 46a and a first outer peripheral surface 10b (guide portion) that come into contact with the bobbin inner peripheral surface 51b. A first space S1 and a second space S2 (internal space) are formed by the first outer peripheral surface 46a and the first outer peripheral surface 10b, and the bobbin inner peripheral surface 51b, and the first space S1 and the second space S2 communicate with a space filled with the connecting portion 80.