Abstract: Various embodiments include a fuel rail assembly for an internal combustion engine comprising: an elongate, common fuel rail having a reservoir for a fuel supply; a plurality of adapters spaced along and fixed to a wall of the fuel rail for hydraulically connecting a respective fuel injector to the reservoir in the common rail; and a respective fuel passage associated with each adapter of the plurality of adapters, each fuel passage directing fuel from the reservoir to the associated adapter. Each fuel passage comprises an inlet end open to the reservoir and an upstream end section adjacent to the inlet end having a length and a cross-sectional area forming a smoothing function to smooth pressure fluctuations in the fuel entering the respective passage.

Abstract: A collecting pressure line (1) for a fuel injection system of an internal combustion engine has a flow-traversable interior (9). The collecting pressure line (1) has at least one injector that is flow-traversable with the aid of a throughflow opening (8). Fluid present in the collecting pressure line (1) is injected with the aid of the injector into a combustion chamber of the internal combustion engine. An elastic member (10) is formed in the interior (9) and is designed to be flow-traversable while bearing against a line inner wall (15) and spaced apart from the throughflow opening (8).

Abstract: The present invention relates to a method for producing an internally pressurized component (1), having the steps of: providing a main body (2) with a longitudinal cavity (3) and with an attachment flange (6) for attachment of the internally pressurized component (1), providing a (80), introducing a through-bore (7) that extends longitudinally through the attachment flange (6) and has two opposite openings (70, 71) with respect to the longitudinal axis (L7), inserting the pin (80) into the through-bore (7) such that the pin (80) is arranged flush with the attachment flange (6) on the side of one of the openings (70) and extends from this opening (70) through the through-bore (7) and through the other opening (71) in order to project from the attachment flange (6), materially bonding the pin (80) to the attachment flange (6), and introducing a longitudinal bore (81) into the pin (80) to form an attachment sleeve (8). The invention also relates to a corresponding internally pressurized component (1).

Abstract: A method and system is provided of controlling a pump having a pumping element configured to provide pressurized fuel to a common rail accumulator coupled to a plurality of fuel injectors configured to inject fuel into a corresponding plurality of cylinders of an engine, comprising: receiving rail pressure values indicating a current fuel pressure in the accumulator; and responding to the received at least one rail pressure value by controlling operation of the pumping element during each potential pumping event of the pumping element to generate actual pumping events during at least some of the potential pumping events to cause the rail pressure values to remain within a desired range and to at least one of increase an overall efficiency of the pump, decrease audible noise generated by the pump, increase reliability of the pump and reduce injection pressure variations at the plurality of fuel injectors.

Abstract: An assembly for fuel-injection systems for connecting a fuel injector to a fuel-conveying component includes a retaining part that is used for mechanical fastening, and an attachment part, to which the fuel injector is hydraulically connectable. A connecting part is provided via which the attachment part, that is connectable to the fuel-conveying component, is connectable to the retaining part.

Abstract: Methods and systems are provided for injector balancing without disabling a cam actuated high pressure fuel pump. In one example, one of a plurality of cam lobes of the pump is selectively and sequentially disabled while a group of injectors are concurrently operated to learn a pressure drop across each injector. The selection of the injectors is based on the identity and stroke timing of the disabled cam lobe.

Abstract: A positive crankcase ventilation system for an internal combustion engine routes blowby gases into the intake of the engine. Because the blowby gases have about 12% water vapor, during cold-weather operation, the water vapor may freeze in the PCV valve or in the port that couples the PCV duct with the intake manifold. In situations in which the PCV duct is pointing toward the direction of flow of the intake gases, a hood or cap is placed over the end of the tube according to the present disclosure. It can be as simple as a 90-degree elbow or multiple openings in the cap. A centerline of the openings is perpendicular or at an obtuse angle with respect to the direction of flow in the duct so that the intake gases do not directly access the openings and cause freezing in the openings (or ports).

Abstract: A method for identifying a continuously injecting combustion chamber of an internal combustion engine which has an injection system with a high-pressure accumulator for a fuel, having the following steps: time-dependent sensing of a high pressure in the injection system; starting a continuous-injection detection process at a starting time while the internal combustion engine is operating; identifying a start time of a pressure drop which occurs chronologically before the starting time and at which the high pressure in the injection system begins to drop if continuous injection has been detected; and identifying at least one combustion chamber to which the continuous injection can be assigned, on the basis of the start time of the pressure drop.

Abstract: A fuel pump includes a pump head defining a barrel in which a plunger is slidable to pressurise fuel in a pumping chamber, and a fluid-inlet path through which fuel flows in to the pumping chamber under control of an inlet valve during a plunger return stroke. The plunger causes pressurisation of the fuel in the fluid-inlet path. The fuel pump may also include a fluid-outlet path through which fuel flows out of the pumping chamber, preferably under control of an outlet valve, during a plunger pumping stroke.

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 rail assembly includes a fuel rail having a main conduit with a main fuel passage and a distribution conduit extending away from the main conduit and having a distribution passage extending therethrough which is in fluid communication with the main fuel passage, the distribution conduit having a distribution conduit primary threaded section, a distribution conduit secondary threaded section, and a distribution conduit sealing surface located axially between the distribution conduit primary threaded section and the distribution conduit secondary threaded section. A primary sealing nut threadably engages the distribution conduit secondary threaded section and a secondary sealing nut threadably engages the distribution conduit secondary threaded section.

Abstract: A fuel rail for an engine includes a tubular body having an outer surface and an inner surface, the inner surface defining a longitudinally extending fuel bore. The fuel rail also includes a valve bore extending normal to the fuel bore and extending through the outer surface of the tubular body at a first end and completely through the fuel bore to a second end.

Abstract: A fuel distributor features a pressure accumulator 2 with a longitudinal hollow space 3 to receive pressurized fuel. The pressure accumulator 2 possesses at least one threaded socket 7 which connects with the longitudinal hollow space 3 and which features interior threading 8, and into which a threading cap 11 with exterior threading 13 is inserted. The threading socket 7 features a sealing surface 16, which ends up being pressed onto a sealing seat 18 set up inside the pressure accumulator 2. According to the invention, a leakage channel 27 is formed within the threading cap 11. The configuration of the fuel distributor according to the invention with the leakage channel 27 in the threading socket 7 allows leakage testing under high pressure to be carried out during a short cycle or detection times, and with a high degree of precision.

Abstract: A method for providing a fluid supply conduit configured to pass through a constrained environment, including providing a circular section tube of appropriate dimensions, die stamping the circular section tube so as to obtain an oblong section tube of oval section, providing a plurality of external stiffeners of hollowed out shape adapted to the external dimensions of the oblong section tube, assembling the external stiffeners around a portion of the section of the oblong section tube.

Abstract: A V-type 4-stroke internal combustion engine having 20 cylinders, having a counterclockwise or clockwise direction of rotation, comprising a crankshaft with a torsional vibration damper and a flywheel arranged on the crankshaft, wherein the crankshaft has crank throws forming a crank star, wherein in each case the piston rods of the two cylinders of a V-segment are connected to the same crank throw, wherein the crank throws C1 to C10 have one of the following angular sequences in the direction of rotation of the engine when seen from the side of the flywheel, with the crank throws numbered as C1 to C10 when starting from the side of the flywheel: (i) C1-C9-C4-C6-C3-C10-C2-C7-C5-C8, (ii) C1-C8-C5-C7-C2-C10-C3-C6-C4-C9, (iii) C1-C9-C5-C7-C3-C10-C2-C6-C4-C8, (iv) C1-C9-C7-C3-C6-C10-C2-C4-C8-C5, (v) C1-C7-C5-C8-C2-C10-C4-C6-C3-C9, (vi) C1-C9-C7-C3-C5-C10-C2-C4-C8-C6, (vii) C1-C6-C8-C4-C2-C10-C5-C3-C7-C9, (viii) C1-C5-C8-C4-C2-C10-C6-C3-C7-C9, (ix) C1-C8-C4-C6-C2-C10-C3-C7-C5-C9.

Abstract: A fuel injection system includes a fuel rail, and a damper that is disposed inside the fuel rail. The damper includes outwardly protruding first barbs formed integrally on one end of the damper and outwardly protruding second barbs formed integrally on an opposed end of the damper. The first barbs and the second barbs each engage the fuel rail inner surface, whereby the damper is located and retained within the fuel rail. The first barbs and the second barbs may be generally triangular in profile and each extend at an acute angle relative to the damper longitudinal axis. In addition, the first barbs and the second barbs are each oriented in the same direction relative to the longitudinal direction, whereby the damper is asymmetric when viewed in side view.

Abstract: A MEMS device having a sensor system that is resiliently mounted on a carrier by means of spring elements. The air gap between sensor system and carrier is reduced by a damping structure present on one of facing surfaces of sensor system and carrier. The spring elements are at least partially accommodated within recesses of the damping structure. The height of the air gap is small enough to allow squeeze film damping.

Abstract: To obtain a gasoline direct injection rail that enables plating treatment to be easily and reliably performed on the inside of a rail body and an inlet part, also, that includes an orifice, and that has excellent mechanical properties. In a gasoline direct injection rail comprising a steel rail body 4, an inlet part 6 provided integrally with or separately from a first end 5 of the rail body 4 and comprising therein a communication passage 7 in communication with a fuel passage of the rail body 4, and a plurality of injector holders in communication with the fuel passage, a stainless orifice member 1 formed separately from the rail body 4 is securely disposed in the communication passage 7 of the inlet part 6.

Abstract: A structure for forming a fluid path is provided. The structure for forming a fluid path according to one embodiment of the present disclosure includes a body configured with first and second fluid paths which communicate with each other, and a third fluid path which is provided at a position, at which the first and second fluid paths are connected to each other, and communicates with the first and second fluid paths, and includes one or more among a first ball which is able to be disposed in the first fluid path, a second ball which is able to be disposed in the second fluid path, and a third ball which is able to be disposed in the third fluid path, wherein a diameter of the first fluid path is greater than that of the second fluid path, and the second ball is able to be disposed in the second fluid path by passing the first fluid path.

Abstract: Methods and systems are provided for cleaning one or more valve(s) that regulate an amount of fuel vapor routed to an engine of a vehicle in response to an indication that the one or more valve(s) are exhibiting degraded sealing properties. In one example, a method includes timing opening and closing events of the valve to coincide with higher than a threshold pressure differences across the valve as compared to lower than the threshold pressure differences in terms of pressure oscillations across the valve, the pressure oscillations stemming from an intake of the engine. In this way, the one or more valve(s) may be controlled to open under higher loads and stresses on the valve(s), which may dislodge debris, carbon buildup, etc., thus serving to clean the valve.

Abstract: There is provided an intake manifold of a multicylinder engine capable of facilitating homogenization of concentration distribution of EGR gas in intake air and distribution of EGR gas into respective cylinders.

Abstract: A multi-fuel rail apparatus for an internal combustion engine communicates fuel from 10 a first fuel source and a second fuel source to a plurality of fuel injectors. Each fuel injector receives fuel from the multi-fuel rail apparatus through a branch connection for each fuel. The multi fuel rail apparatus has a first elongate member including a first longitudinal bore spaced apart from a second longitudinal bore and first and second fuel inlets for fluidly communicating first and second fuels into the first and 15 second longitudinal bores respectively. There is a branch connecting structure for each fuel injector along the first elongate member for fluidly connecting the first and second longitudinal bores with respective branch connections from respective fuel injectors.

Abstract: Various methods and systems are provided for a pressure relief valve of a fuel system. In one example, a valve includes a first chamber in fluid communication with a first fuel line, a second chamber in fluid communication with a second fuel line and in fluid communication with a fuel storage tank, a piston separating the first chamber from the second chamber, and a needle coupled to the piston and controlling a flow passage between the second fuel line and the second chamber, where the piston and needle are sized such that a force applied on the piston by the first chamber parallel to an axis of movement of the piston maintains the needle in a closed position when the first fuel line flows fuel at a first pressure and the second fuel line flows fuel at a second pressure, the second pressure greater than the first pressure.

Abstract: The present disclosure relates in general to injectors and, more specifically, to a fuel injection assembly that may be used in an internal combustion engine. In some embodiments, a fuel injection assembly may include: a fuel injector with a fuel inlet port and a fuel outlet end; and an injector cup with a recess receiving the fuel inlet port of the fuel injector through an opening of the recess. The injector cup comprises a collar extending circumferentially around the opening. The injector cup comprises a tab extending longitudinally beyond the opening in a direction towards the fuel outlet end. The tab projects axially beyond the collar in a longitudinal direction towards the fuel outlet end. The fuel injector comprises a pocket receiving the tab.

Abstract: An arrangement for supplying high pressure fuel to a plurality of fuel injectors includes a housing defining a fuel chamber. The chamber is provided with a flow inlet from a high pressure fuel source and forms a first portion of flow path of the fuel, the chamber being fluidly connected to a conduit providing a second portion of flow path. The conduit has a plurality of outlets adapted to provide flow of high pressure fuel from the chamber via the conduit to a corresponding plurality of injectors via respective first outlet flow conduits. The second portion of flow path is substantially narrower than the first flow path, and includes a pressure sensor located in or adjacent to the conduit.

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: The invention relates to a high-pressure connection device (50) for a high-pressure fuel pump (10), having the following: —an outlet device (18) for discharging fuel (14) from the high-pressure fuel pump (10); —a connection device (22) for connecting the outlet device (18) to elements arranged downstream of the outlet device; —a welding seam (30) for connecting the outlet device (18) and the connection device (22); and —a pretensioning device (52) for exerting a pretension force (Fv) onto the welding seam (30) in the direction of the outlet device (18). The invention further relates to a high-pressure fuel pump (10) which has such a high-pressure connection device (50) and to a method for producing such a high-pressure connection device (50).

Abstract: A fuel rail assembly for an internal combustion engine is disclosed. It includes a main gallery and a plurality of fuel delivery outlets. Each fuel delivery outlet has an injector cup and an injector cup mounting connection arranged between the main gallery and the injector cup. A fixing bracket is adapted to fasten the main gallery to the engine. The fixing bracket is spaced apart from the injector cup and secured to the main gallery. A fastening element is provided to secure the fixing bracket to the engine. A rigid connection member is coupled to the fixing bracket extends between the fixing bracket and one of the injector cup and the injector cup mounting connection.

Abstract: The present disclosure is directed to a fuel manifold assembly for a gas turbine engine. The fuel manifold assembly defines a walled conduit through which a fuel flows in a fuel passage. The walled conduit defines a first end and a second end opposite of the first end along a length of the walled conduit. The fuel manifold assembly includes an exit manifold to which a fuel nozzle attaches. The fuel manifold assembly includes a damper assembly coupled to the walled conduit of the fuel manifold assembly. The damper assembly includes a walled tube extended from the walled conduit. The damper assembly further includes a walled enclosure defining a damper cavity therein. The damper cavity is in fluid communication with a damper passage defined within the walled tube, and the damper passage is in fluid communication with the fuel passage.

Abstract: The present disclosure provides a fuel rail for use with an internal combustion engine. The fuel rail includes a plurality of fingers extending away from the fuel rail. The fingers are configured to interface with adjacent engine parts under crash conditions.

Abstract: The damper mechanism used for a high-pressure fuel supply pump is configured so that an outer circumferential surface of a cover in regard to the thickness direction of the base material of the cover engages with the inner circumference of an open end part of a bottomed tubular concave part formed in a damper housing or in a pump housing of the high-pressure fuel supply pump. The total height of the damper as a low-pressure pulsation reducing mechanism can be reduced, and the dimensions of the damper in the radial directions can also be reduced. In cases where the damper mechanism is formed integrally with the high-pressure fuel supply pump, the total height of the high-pressure fuel supply pump can be reduced and the dimensions of the damper part in the radial directions can also be reduced.

Abstract: The present invention is a system and method for adapting and modifying an existing mono-fuel delivery system for an internal combustion engine to run as a bi-fuel system by reusing and repurposing OEM components of the mono-fuel system. The bi-fuel system makes use of an integration plate that may be mounted to the system fuel filter in substantially the same location as the fuel filter is mounted in the mono-fuel configuration. The integration plate also may deliver either fuel types into the existing engine fuel intake port thus the system does not require the creation of a secondary fuel intake port for the secondary fuel. The integration plate may also be situated such that it minimizes the space it must use within the engine compat anent and it may use the preexisting engine mounting points designed for the fuel filter in the mono-fuel system.

Abstract: The present invention relates to a pulsation reducer which includes: an entrance-expanded fuel rail (40) configured such that a section-expanded fuel rail entrance (41) expanded to the size of the section of a high-pressure fuel line (31) is foiled thereon; a spring housing (61) configured such that a fuel storage space (611) and a low-pressure movement space (613) and high-pressure movement space (614) connected to the fuel storage space (611) via chimney holes (612a and 612b) are formed therein; connection parts (62a, 62b and 62c) configured to connect the spring housing 61 with the entrance-expanded fuel rail (40); a low-pressure reduction part (631) disposed in the low-pressure movement space (613), and configured to absorb mixed pulse waves in a low-pressure region; and a high-pressure reduction part (64) disposed in the high-pressure movement space (614), and configured to absorb mixed pulse waves in a high-pressure region.

Abstract: A common-rail fuel injection device for an internal combustion engine, including fuel injection valves each having two fuel supply ports, is known as a fuel injection device for suppressing temporary decrease of a fuel pressure immediately after the end of fuel injection from the fuel injection valve. Even in this fuel injection device, the fuel injection pressure may fluctuate immediately after the end of fuel injection, thereby causing changes of amount and particle diameter of injected fuel. A common rail is connected to one fuel supply port of the fuel injection valve, whereas another fuel injection valve, which is non-contiguous in the order of combustions, is connected to the other fuel supply port by an injection-valve connection pipe.

Abstract: The present disclosure relates to fuel delivery systems for a motor vehicle. Some embodiments include a housing with a wall and a connector opening, a high-pressure connector including a wall circumferentially bordering a recess extending along a longitudinal central axis of the high-pressure connector, a radial indentation formed at the inner side in the wall in the housing connector region adjacent to the transition region, and an axial indentation formed at the outer side in the wall in the transition region adjacent to the intermediate region. The high-pressure connector may have a housing connector region, an intermediate region, and a transition region. An outer diameter of the high-pressure connector is larger in the housing connector region than in the intermediate region and the inner diameter is larger in the housing connector region than in the intermediate region. The wall of the housing delimits a recess around the connector opening.

Abstract: A gasoline fuel supply system includes a feed pump part, an inline pump part, and a high-pressure pump part. The feed pump part includes a non-positive displacement electric pump, and pumps a gasoline fuel from a fuel tank and discharges at a feed pressure. The inline pump part includes a non-positive displacement mechanical pump, and pressurizes the gasoline fuel discharged from the feed pump part and discharges at a middle pressure. The high-pressure pump part includes a positive displacement mechanical pump, and pressurizes the gasoline fuel discharged from the inline pump part and discharges at a supply pressure to a fuel injection valve.

Abstract: Various methods and systems are provided for a pressure relief valve of a fuel system. In one example, a valve includes a first chamber in fluid communication with a first fuel line, a second chamber in fluid communication with a second fuel line and in fluid communication with a fuel storage tank, a piston separating the first chamber from the second chamber, and a needle coupled to the piston and controlling a flow passage between the second fuel line and the second chamber, where the piston and needle are sized such that a force applied on the piston by the first chamber parallel to an axis of movement of the piston maintains the needle in a closed position when the first fuel line flows fuel at a first pressure and the second fuel line flows fuel at a second pressure, the second pressure greater than the first pressure.

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 internal combustion engines and the teachings thereof may be embodied in methods and apparatus for detecting a malfunctioning rail pressure sensor. Some embodiments may include a method for detecting a malfunctioning rail pressure sensor comprising: delivering an analog output signal characterizing the rail pressure to a control unit; generating a differential rail pressure signal as a digital output signal; delivering the differential rail pressure signal of the rail pressure sensor to the control unit; analyzing the analog output signal and the differential rail pressure signal in the control unit; and detecting a malfunctioning rail pressure sensor based on the analysis by the control unit.

Abstract: An outboard motor engine has a cylinder block including vertically stacked cylinders divided into two cylinder banks arranged in a V-shape. Two cylinder heads define intake passages, each intake passage corresponding to a respective cylinder. Air intake manifolds include air intake runners that extend from an opposite end of the engine, around outer sides of the cylinder block, and respectively connect to the intake passages. Two vertically extending fuel rails are respectively located between the first cylinder head and the first air intake manifold and between the second cylinder head and the second air intake manifold. The fuel rails are integral with either the respective cylinder heads, or the respective air intake manifolds. Fuel injectors are coupled to the fuel rails and vertically spaced from one another with respect to each fuel rail such that each fuel injector is associated with a respective cylinder.

Abstract: The purpose of the present invention is to provide an engine control system that is capable of promoting mixing of fuel and air during exhaust gas recirculation, thereby suppressing combustion fluctuation of a gasoline engine, such that efficiency and exhaust gas purification can be simultaneously achieved. The engine control system controls an engine and is equipped with an injection device for injecting fuel directly into a cylinder and a recirculation device for recirculating exhaust gas to the intake side.

Abstract: A fuel rail assembly for gasoline direct injection fuel delivery to an engine. The assembly has a common rail tube. In the tube there are threaded orifices extending laterally. Injector sockets are adapted to mate with the threaded orifices. Each injector socket has a proximal nipple end region connected to the tube and a distal end region through which fuel is delivered to the engine. Screw threads are disposed around the proximal nipple end region. The screw threads include a lead thread that is received by the threaded orifices, thereby forming mechanical connections between the injector sockets and the tube that are adapted to withstand maximum pressures of fuel up to 5000 psi.

Abstract: A holder serves for fastening a component, in particular a fuel distributor, onto an internal combustion engine. A holding element that has a component-side connecting segment is provided. The holding element is connectable at the component-side connecting segment to the component. The holding element furthermore has a fastening-means-side connecting segment at which the holding element is fastenable via a fastening means onto the internal combustion engine. A receiving part and a fastening sleeve are provided. The receiving part serves to connect the fastening sleeve to the fastening-means-side connecting segment of the holding element. The fastening sleeve has a through opening through which the fastening means is guidable. An assemblage having such a holder is also described. A connecting method is furthermore described.

Abstract: A hydraulic connection via which a fuel injector is connectable to a fuel-conducting component and which includes a retaining bridge having a support surface. A connecting piece of a fuel injector is supportable on the support surface of the retaining bridge. A hydraulic connection being formed between the connecting piece of the fuel injector and a connection. A convexly curved bearing surface is provided on the connection, and a support surface is formed on the connecting piece of the fuel injector. A contact between the connecting piece of the fuel injector and the connection is implemented on the convexly curved bearing surface and the support surface for forming the hydraulic connection. The support surface is designed axially symmetrically with respect to a longitudinal axis. The support surface is designed in a widened manner in a direction from the connecting piece toward the connection along the longitudinal axis.

Abstract: A fuel injection system has a fuel distributor and multiple fuel injection valves each disposed on a cup of the fuel distributor. At least one injection valve is mounted on the associated cup by way of at least one holding element. An abutment surface is provided on the outer side of the cup. A support surface is configured on the underside of the cup. The holding element is moreover configured as a holding clamp. An abutment surface is provided on an outer side of the fuel injection valve. The holding clamp engages on the one hand behind the abutment surface of the cup and on the other hand behind the abutment surface of the fuel injection valve. The holding clamp furthermore pushes the fuel injection valve toward the support surface.

Abstract: A suspension mount for fuel-injection systems is used to connect a fuel injector to a fuel distributor. A connecting body having an accommodation space is provided, a fuel connector of the fuel injector being able to be disposed at least partially in the accommodation space. In addition, a joining body is provided that is disposed, at least in sections, partially in at least one recess of the connecting body, the recess being connected to the accommodation space, and on which the fuel connector is able to be supported along a longitudinal axis of the accommodation space. The joining body also has an elastically deformable element, the elastically deformable element being disposed in such a way that the joining body permits elastic support of the fuel connector on the connecting body at least along the longitudinal axis. A fuel-injection system having such a suspension mount is also indicated.

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 control device for a high-pressure pump includes: a determination unit, an acquisition unit, and an electric power setting unit. The determination unit determines whether a movable portion of an electromagnetic valve has been moved to a closed position to close the electromagnetic valve when the electromagnetic valve is energized. The acquisition unit acquires, as an electromagnetic-valve response time, a period of time from a start of the energization of the electromagnetic valve until when it is determined that the electromagnetic valve has been closed. The electric power setting unit sets a supply power to the electromagnetic valve by repeating a process in which the supply power to the electromagnetic valve is reduced so as to be smaller than a previous value until the electromagnetic-valve response time reaches a predefined upper limit value.

Abstract: Methods are provided for controlling a direct injection fuel pump, wherein a solenoid spill valve is energized and de-energized according to certain conditions. A control strategy is needed to operate the direct injection fuel pump outside regions where pump operation may be variable and inaccurate, where the regions may be characterized by smaller pump commands as well as smaller displacement volumes. To maintain a suitable range of pump commands and displacements while operating outside the low accuracy regions, a method is proposed that involves clipping calculated pump commands when the calculated pump commands lie within the low accuracy regions.

Abstract: The present disclosure relates to the field of motor vehicles. The teachings thereof may be embodied in a self-locking internal damper comprising: a damper body with a closed chamber; each of two ends of the closed chamber in the length direction including a straight plate section projecting therefrom, with a center line of the straight plate section passing through a center point of the closed chamber; two connecting portions located at ends of the two straight plate sections, respectively; and at least one of the two connecting portions including a bent structure formed by extending and bending one of the straight plate sections.