In general, the subject matter described in this disclosure can be embodied in a fuel injector that includes an upper housing portion that defines an inlet passage adapted to receive fuel, and a lower housing portion that is attached to the upper housing portion and that defines an injector outlet…

A fuel injection valve (1) for fuel injection systems of internal combustion engines, in particular for direct injection of fuel into the combustion chamber of an internal combustion engine, comprises a magnetic coil (10), an armature (20) acted upon by the magnetic coil (10) in a closing direction…

A fuel injection valve (1) for fuel injection systems of internal combustion engines, in particular for direct injection of fuel into the combustion chamber of an internal combustion engine, comprises a magnetic coil (10), an armature (20) acted upon by the magnetic coil (10) in a closing direction…

A valve assembly (1) for a fluid injector is disclosed. It comprises a valve body (3) having a longitudinal axis (L), an armature (9), a valve needle (11) having a needle tip (12) and a damping element (13). The armature (9) and the damping element (13) comprise penetrating first openings (15, 17)…

A fluid injection valve (1) for a combustion engine is specified. It has a pole piece (9), a first armature (15) which faces a first axial end (10) of the pole piece (9) and a second armature (17) which faces a second axial end (12) of the pole piece (9) with respect to a longitudinal axis (L). The…

A valve for metering fluid is provided which has an electromagnet (15) for actuating a valve needle (13) controlling a metering opening. The electromagnet (15) has an outer pole (21), a hollow cylindrical inner pole (22), an armature (23) displaceable on the valve needle (13), and a working air gap…

The invention relates to a valve needle (100) for a fluid injector for opening and closing a fluid outlet side of the fluid injector, wherein the valve needle (100) has an elongated needle body (110), and the elongated needle body (110) is rod-shaped and has a multi-legged (114, 114, ...)…

A valve for metering pressurized fluid is provided, which comprises a valve housing (11) with an inlet opening (12) and a metering opening for the fluid, an outwardly opening valve needle (22) which is pressure-balanced by means of an elastic hollow body (23) exposed to fluid pressure, and an…

The invention relates to a valve assembly (11) for an injection valve (10), comprising a valve body (12) including a central longitudinal axis (L), the valve body (12) comprising a cavity (18) with a fluid inlet portion (42) and a fluid outlet portion (40), a valve needle (20) axially movable in…

The invention relates to a valve assembly (11) for an injection valve (10), with a valve body (14) including a central longitudinal axis (L), the valve body (14) comprising a cavity (18) with a fluid inlet portion (42) and a fluid outlet portion (40), a valve needle (20) axially movable in the…

The invention concerns a valve assembly (11) for an injection valve (10), comprising a valve body (12) including a central longitudinal axis (L), the valve body (12) comprising a cavity (18) with a fluid inlet portion (42) and a fluid outlet portion (40), a valve needle (20) axially movable in the…

Seat plate (26) for an injection valve (62) is provided, comprising a fluid outlet portion (44) and a fluid flow directing element (30) being configured as a recess (46) in the seat plate (26), the recess (46) being configured to direct the fluid flow to the fluid outlet portion (44) and being…

The valve has a fluid valve orifice (14) which is surrounded by a valve seat (15). A valve needle (16) is provided on the valve seat which is cooperated with a closing structure (161). The pressure is provided on a restoring structure (18) and an actuator by the valve needle. The rigid connection…

A fuel injection valve 1 includes: a nozzle body 10 having a nozzle hole 11 formed at the tip thereof; a needle 20 that is slidably provided in the nozzle body 10, forms a fuel introduction path 21 between the needle 20 and the nozzle body 10, and is seated on a seat portion 12 in the nozzle body…

The invention relates to a valve assembly (11) for an injection valve (10), with a valve body (12) including a central longitudinal axis (L), the valve body (12) comprising a cavity (18) with a fluid inlet portion (42) and a fluid outlet portion (40), with a valve needle (20) axially movable in the…

An injector for injecting fluid comprises: - a valve needle (6), being axially moveable and being operable to prevent a fluid injection in a closing position and to permit the fluid injection in further positions, - an armature (3) being mechanically coupled to the valve needle (6), - a valve body…

The valve has a needle-like injection valve element (1) releasing or closing an injection opening. A magnet actuator (2) includes an armature (5) i.e. exchange armature, which is movable against resilient force of a spring (6) e.g. helical compression spring, in a direction of an inner pole (4)…

Valve assembly (60) of an injection valve (62), the valve assembly (60) comprising a valve body (4) including a central longitudinal axis (L), the valve body (4) comprising a cavity (8) with a fluid inlet portion (42), a fluid outlet portion (44) and a needle seat (46), a valve needle (10) axially…

The invention relates to a valve assembly (12) for an injection valve (10), comprising a valve body (14) including a central longitudinal axis (L), the valve body (14) comprising a cavity (18) with a fluid inlet portion (26) and a fluid outlet portion (28), a valve needle (20) axially movable in…

The invention relates to a valve assembly (11) for an injection valve (10), comprising a valve body (14) including a central longitudinal axis (A), the valve body (14) comprising a cavity (18) with a fluid inlet portion (42) and a fluid outlet portion (40), and a valve needle (20) axially movable…

A fuel injector (1) provided with an injection jet (3), an injection valve (7), which valve comprises a mobile plunger (15) to control the flow of fuel through the injection jet (3), and an actuator (6), which is capable of displacing the plunger (15) between a closed position and an open position…

The fuel injection valve (1) has an actuator connected to a valve needle (3) having a valve closing body (4) acting with a valve seat surface (6). There is a spray aperture (7) in the valve seat body (5). The fuel flows through a bifurcation (39), in the region of which there is at least one by…

A fluid injector comprises a housing, an actuator unit and a valve body. The valve body has a needle (22) and a cartridge (21) with a recess, which takes in the needle (22) and which comprises on one of its ends a seat plate (213), that comprises a needle seat (2132) for the inward-opening needle…

The invention refers to a valve needle assembly comprising a valve needle (14) and an electro-magnetic armature (16) coupled to the valve needle (14), the valve needle assembly being suited for use in a valve assembly (10) of an injector unit for injecting fuel into an engine of a vehicle, said…

The invention relates to a valve assembly, in particular for use in an injector unit for injecting fuel into a vehicle engine, comprising a valve body (18) with a valve body cavity (20) and a valve orifice (22), in which valve body cavity (20) there is installed a valve needle assembly (14)…

The invention describes an injection valve (1) with a valve closing element (4) that is biased by a spring (10) against a valve seat (5). The spring (10) is preloaded by an adjusting tube (14) that is arranged within an inlet tube (7) and connected to the inlet tube (7). The invention proposes a…

The proposed fuel injector comprises a fuel passage way in which a harmonic damper 25 is arranged. The harmonic damper dampens the noise and vibration of the fuel injector. The harmonic damper is fixed to the inlet tube of the fuel injector. The harmonic damper has a cylindrical shape with a…

A fuel injection valve has an integrated spark plug (1) for direct injection of fuel into a combustion chamber of an IC engine and to ignite the fuel injected into the combustion chamber. There is a valve body (7) which forms a sealing seat together with a valve closing body (10) which at least one…

In an injection hole plate (20) of a fuel injection device, injection holes (21,22,23) are arranged about a circle. Fuel injected from the injection holes (21,22,23) forms a flat sector-shaped spray (24). The intervals between adjacent injection holes are approximately equal to each other, while…

A fuel injector (100) that allows spray targeting and distribution of fuel to be configured using non-angled or straight orifice having an axis parallel to a longitudinal axis of the subassembly. Metering orifices (142) are located about the longitudinal axis and defining a first virtual circle…