Abstract: Various embodiments of the teachings here include a fixing bracket for fixing a tie wrap at a fuel rail for mounting a wiring harness at the fuel rail, the fixing bracket comprising: a one-piece bracket body extending along a longitudinal direction, the bracket body including a first longitudinal end section, a second longitudinal end section, and an intermediate section. The intermediate section is disposed between the first end section and the second end section. The intermediate section comprises a protrusion including two bows spaced apart from one other by a slot disposed between the bows.

Abstract: Various embodiments include a fuel injection assembly comprising: a fuel injector; an injector cup comprising a cylindrical body with a cavity at the lower end to receive a fuel inlet port of the injector; a holding element for securing the injector to the cup; a spring clip; and a first opening formed in a peripheral wall of the cup for receiving the holding element. The holding element comprises a U-shaped body with two parallel arms engaging opposite sides of an annular groove in the injector to secure the injector in the cup. When inserted in the cup, the free ends of the two arms project from the cup, and include adjacent the free ends a retention arrangement engageable by the spring clip. The spring clip comprises a depending leg engageable in a corresponding receiving part on the injector to locate the angular position of the injector relative to the cup.

Abstract: Various embodiments include a fuel injection assembly comprising: a fuel injector; an injector cup comprising a cylindrical body with a cavity at the lower end to receive a fuel inlet port of the injector; a holding element for securing the injector to the cup; a spring clip; and a first opening formed in a peripheral wall of the cup for receiving the holding element. The holding element comprises a U-shaped body with two parallel arms engaging opposite sides of an annular groove in the injector to secure the injector in the cup. When inserted in the cup, the free ends of the two arms project from the cup, and include adjacent the free ends a retention arrangement engageable by the spring clip. The spring clip comprises a depending leg engageable in a corresponding receiving part on the injector to locate the angular position of the injector relative to the cup.

Abstract: Various embodiments of the teachings here include a fixing bracket for fixing a tie wrap at a fuel rail for mounting a wiring harness at the fuel rail, the fixing bracket comprising: a one-piece bracket body extending along a longitudinal direction, the bracket body including a first longitudinal end section, a second longitudinal end section, and an intermediate section. The intermediate section is disposed between the first end section and the second end section. The intermediate section comprises a protrusion including two bows spaced apart from one other by a slot disposed between the bows.

Abstract: Various embodiments include a holding component for securing a fuel injector to an injector cup comprising: a U-shaped holding element with two parallel supporting arms for engaging opposite sides of an annular groove in the fuel injector to secure the fuel injector in the injector cup; a base part; two resilient arms extending from the base part for engaging the outer surface of the injector cup; and a depending leg engageable in a corresponding receiving part on the fuel injector to accurately position the fuel injector angularly relative to the injector cup.

Abstract: Various embodiments may include a fuel injector cup assembly comprising: a fuel injector cup; a fastening bracket for securing a fuel injector to the cup; and a clamping arm for fastening the cup to an engine. The cup has a main body part with an internal volume. The cup comprises a one-piece body defining the main body part and an inlet stub containing a fuel inlet port hydraulically connectable to the fuel source. The stub has a first external dimension. The main body part has a second external dimension larger than the first external dimension to provide a shoulder supporting the clamping arm. An end of the cup remote from the stub has an outwardly extending flange supporting the fastening bracket.

Abstract: An assembly (1) for a combustion engine is disclosed. It comprises a coupling element (5) with a penetrating opening (17), a retaining element (13), and a bolt (3). The bolt (3) extends through the penetrating opening (17) which is shaped by a circumferential surface (18) extending between a first axial end (7) and a second axial end (9) of the penetrating opening (17) through the coupling dement (5). A coupling between the retaining element (13) and the bolt (3) is established in a region subsequent to the first axial end (7) in direction from the second axial end (9) to the first axial end (7) and the retaining element (13) and the coupling element (5) interact mechanically to restrict an axial displacability of the retaining element (13) relative to the coupling element (5). The bolt (3) is locked with respect to axial displacement relative to the coupling element (5).

Abstract: A fuel injection assembly for an internal combustion engine has a fuel injector, an injector cup and a holding element for securing the fuel injector in the injector cup, wherein the fuel injector has an annular groove defined in part by an annular flange having a profiled peripheral surface engageable by a profiled surface on the arms of a holding element when the fuel injector is secured to the injector cup, to provide a line or point contact between the fuel injector and the holding element.

Abstract: A coupling device is provided for hydraulically and mechanically coupling a fuel injector to a fuel rail of a combustion engine, the coupling device including a fuel injector cup configured to be coupled to the fuel rail and to engage a fuel inlet portion of the fuel injector, the fuel injector cup including a first part including a recess and a second part configured to be received in the recess of the first part and configured to engage the fuel inlet portion of the fuel injector.

Abstract: The coupling device comprises a holding fixture being designed to be mechanically coupled to the fuel rail and comprising a through hole extending between a first surface and a second surface, the second surface opposing the first surface and being arranged and designed to face the cylinder head. Furthermore the coupling device comprises a fastening element being designed to be fixedly coupled to the cylinder head. The fastening element comprises a head portion and a shank portion. The head portion faces the first surface of the holding fixture and the shank portion is being partially arranged in the through hole and is designed to be in engagement with the cylinder head. In addition the coupling device comprises a retaining element being arranged inside the through hole, being coupled with the holding fixture, comprising in a given latch area a cross-section restriction and being in engagement with the shank portion at least in this latch area. The retaining element is formed as a one-piece unit.

Abstract: Various embodiments include a holding component for securing a fuel injector to an injector cup comprising: a U-shaped holding element with two parallel supporting arms for engaging opposite sides of an annular groove in the fuel injector to secure the fuel injector in the injector cup; a base part; two resilient arms extending from the base part for engaging the outer surface of the injector cup; and a depending leg engageable in a corresponding receiving part on the fuel injector to accurately position the fuel injector angularly relative to the injector cup.

Abstract: A fuel delivery assembly for an internal combustion engine, including an injector cup, a fuel injector received therein, and a spring clip is disclosed. The injector cup has a circumferential wall with an external shoulder. The fuel injector has a shoulder which is axially spaced apart from the injector cup. The spring clip has a base portion with two radially compliant webs bearing against the shoulder of the circumferential wall and being in force-fit engagement with the circumferential wall. The spring clip has an axially compliant portion bearing against the shoulder of the fuel injector and being elastically deformable to bias the fuel injector in axial direction from the upper end towards the lower end.

Abstract: The present disclosure relates to a fuel rail assembly for an internal combustion engine. In some embodiments, a fuel rail assembly for an internal combustion engine may include an elongated tubular fuel rail and a plurality of fuel delivery lines branching off from the fuel rail for hydraulically coupling the fuel rail to fuel injectors operable to inject fuel into the combustion engine. Also, an injector cup for receiving a fuel inlet portion of a respective one of the fuel injectors, a pipe arranged between the fuel rail and the injector cup for hydraulically coupling the injector cup to the fuel rail, and a fixation bracket configured for positionally fixing the fuel delivery line with respect to the engine. The injector cup, the pipe, and the fixation bracket are individual parts. A rigid connection is established between the fixation bracket and a portion of the pipe, said portion spaced apart from each of the fuel rail and from the injector cup.

Abstract: A fuel injector cup assembly has an injector cup, at least one bolt and an elastic element which mechanically couples the injector cup to a cylinder head. The bolt (7) is arrangeable through a penetrating first opening of the injector cup and in an opening of the cylinder head to fasten the injector cup to the cylinder head. The elastic element is configured to be mechanically coupled to the injector cup at a given position to act against a tilt of the injector cup relative to the cylinder head.

Abstract: A fuel cup including a central longitudinal axis and being fixable to an injector via a holder comprises a fuel cup body and a fixing element. This fuel cup is wherein said fixing element is a stamped tab affixed to said fuel cup body, and in that said stamped tab is designed to be engaged to said holder.

Abstract: A fluid injection assembly for a combustion engine includes an injector body having a notch, an injector cup, which radially encloses an axial end of the injector body and has a projecting part, and a spring clip arranged between the injector body and the injector cup. The spring clip includes a ground plate, at least one spring element, and at least one holding element engaging behind the projecting part of the injector cup. The ground plate is arranged in the notch of the injector body. The injector body and the injector cup are coupled together by the spring clip by mechanical interaction via the projecting part and the notch, respectively.

Abstract: A fuel injection assembly for an internal combustion engine has a fuel injector, an injector cup and a holding element for securing the fuel injector in the injector cup, wherein the fuel injector has an annular groove defined in part by an annular flange having a profiled peripheral surface engageable by a profiled surface on the arms of a holding element when the fuel injector is secured to the injector cup, to provide a line or point contact between the fuel injector and the holding element.

Abstract: A fuel delivery assembly for an internal combustion engine, including an injector cup, a fuel injector received therein, and a spring clip is disclosed. The injector cup has a circumferential wall with an external shoulder. The fuel injector has a shoulder which is axially spaced apart from the injector cup. The spring clip has a base portion with two radially compliant webs bearing against the shoulder of the circumferential wall and being in force-fit engagement with the circumferential wall. The spring clip has an axially compliant portion bearing against the shoulder of the fuel injector and being elastically deformable to bias the fuel injector in axial direction from the upper end towards the lower end.

Abstract: The present disclosure relates to a fuel rail assembly for an internal combustion engine. In some embodiments, a fuel rail assembly for an internal combustion engine may include an elongated tubular fuel rail and a plurality of fuel delivery lines branching off from the fuel rail for hydraulically coupling the fuel rail to fuel injectors operable to inject fuel into the combustion engine. Also, an injector cup for receiving a fuel inlet portion of a respective one of the fuel injectors, a pipe arranged between the fuel rail and the injector cup for hydraulically coupling the injector cup to the fuel rail, and a fixation bracket configured for positionally fixing the fuel delivery line with respect to the engine. The injector cup, the pipe, and the fixation bracket are individual parts. A rigid connection is established between the fixation bracket and a portion of the pipe, said portion spaced apart from each of the fuel rail and from the injector cup.

Abstract: A fluid injection assembly for a combustion engine includes an injector body having a notch, an injector cup, which radially encloses an axial end of the injector body and has a projecting part, and a spring clip arranged between the injector body and the injector cup. The spring clip includes a ground plate, at least one spring element, and at least one holding element engaging behind the projecting part of the injector cup. The ground plate is arranged in the notch of the injector body. The injector body and the injector cup are coupled together by the spring clip by mechanical interaction via the projecting part and the notch, respectively.