Abstract: A dual fuel connector separately supplies two different fuels to fluidly isolated fuel passages within a fuel injection valve of an internal combustion engine. The dual fuel connector comprises a body with separate fluid connections to the first fuel inlet, the second fuel inlet, a first fuel rail and a second fuel rail. A first fuel passage within the body is in fluid communication with the first fuel rail and the first fuel inlet. A second fuel passage within the body is in fluid communication with the second fuel rail and the second fuel inlet, and wherein the first fuel passage is fluidly isolated from the second fuel passage. The dual fuel connector supplies two different fuels to a fuel injection valve, for engines that are not designed with a cylinder head that has internal bores that can serve as fuel rails.

Abstract: A pressure pipe fitting for feeding high-pressure fuel to, and discharging fuel from, an injector of a common-rail injection system of an internal combustion engine includes at least one inner pipe and an outer pipe coaxially arranged with the inner pipe, with an annular space formed between the outer and inner pipes, and an intermediate piece arranged in the annular space for coaxially positioning the inner pipe and the outer pipe. The inner pipe preferably has conical seat surface on its end face. A threaded connection is provided to position the intermediate piece at a defined axial distance from the seat surface on the inner pipe. The inner pipe comprises a stop acting in the axial direction and cooperating with a counter-stop of the intermediate piece.

Abstract: A fuel injector assembly for use with an engine block of a direct injection engine. The fuel injector assembly includes an elongated tubular fuel rail which is fluidly connected to a high pressure fuel source. At least two fuel cups are attached to and extend downwardly from the fuel rail and each fuel cup is adapted to receive one fuel injector. First fasteners attach a bracket to the engine block while second fasteners attach the bracket to the fuel rail. These second fasteners, furthermore, are positioned so that the second fasteners are coplanar with a plane extending through a longitudinal axis of each fuel injector.

Abstract: A nozzle (10) for a fuel injector of an engine includes a generally cylindrical housing (16) having a valve passage (28) disposed generally longitudinally along the centerline C of the housing and extending from a top surface (12) of the housing. An annular groove (40) is disposed in the top surface (12) of the housing (16) and is concentrically disposed about the valve passage (28). A plurality of high pressure passages (44) are disposed in the annular groove (40). The high pressure passages (44) fluidly communicate with the valve passage at a junction chamber (34). A nozzle tip (24) is in fluid communication with the junction chamber (34).

Abstract: A fluid injector assembly has a fluid injector (14) with a fluid inlet portion (16), a fluid injector cup (18) with an inner surface (30), an outer surface (28) and a heating device (32). The fluid inlet portion (16) of the fluid injector (14) has a sealing ring (26) being arranged and designed to sealingly engage the inner surface (30) of the fluid injector cup (18). The fluid injector cup (18) is designed to couple the heating device (32) thermally to the sealing ring (26) of the inlet portion (16) and to couple the fluid inlet portion (16) mechanically.

Abstract: The present invention relates to a mounting structure for a direct injection fuel rail. Specifically, a mounting structure 120 for a direct injection fuel rail comprises a mount unit 124 and an injector cup 122 combined with a main pipe 110, wherein the injector cup 122 and the mount unit 124 are connected to and integrated with each other via a bridge 126, wherein the injector cup 122 is bonded to the main pipe 110, and wherein the mount unit 124 is separated from the main pipe 110. As such, concentration of stress due to displacement may be prevented, resistance against fatigue fracture may be increased, thermal deformation and additional concentration of stress may be prevented, manufacturability may be improved, and precise assembling positions may be easily ensured.

Abstract: A fuel distribution pipe for a motor vehicle includes a tubular body having an end face, and a closure part which is arranged on the end face for sealing the tubular body against fuel leakage. The closure part is constructed as a retaining member for securing the fuel distribution pipe on a component of the motor vehicle.

Abstract: This disclosure provides a fuel line assembly for use with an internal combustion engine, an internal combustion engine including such as fuel line assembly, and a method for providing leak containment and detection in a fuel system, each of which include a double-walled fuel line including a high pressure fuel line component. The double-walled fuel line includes a high pressure fuel line, a jacket surrounding the high pressure fuel line, and a low pressure passage between the high pressure fuel line and the jacket. A fuel line nut includes a main body that houses a portion of the high pressure fuel line, and a first end portion supporting an enlarged end portion of the high pressure fuel line protruding from the first end portion. A second end portion of the fuel line nut sealingly connects to the jacket to extend the low pressure passage into an area between the main body and the housed high pressure fuel line.

Abstract: A fuel line may include a hollow elongate body having a first end and a second end. A first sealing member located on the first end of the hollow elongate body may have a monolithic construction and include a base region and a sealing region. The base region may have a first material hardness and the sealing region may have a second material hardness, the second material hardness being less than the first material hardness. A first connector may be coupled with the elongate body and the first connector and the first sealing member may be configured to sealingly connect to a fuel injector.

Abstract: A robust, combined fuel rail and wiring harness shield assembly, for each bank of cylinders of an IC engine, comprising a rectangular multi-planar plate having an integral longitud-inal mid-rib on one side, longitudinally bored as a fuel distribution manifold to EFI injectors mounted in generally angled bores spaced along the rib. In cross-section the assembly is generally T-shaped, and is preferably constructed of extruded aluminum. Flanking each side of the mid-rib are wings, one of which includes an angled flange. The mid-rib, wing and associated flange form a wiring management channel. The flange is angled down at approximately 135° on the outboard side of the cylinder bank so that it points vertically downwardly. In operation, assembly pairs are connected to a flexible fuel inlet line in series or parallel, with one (series plumbed) or both (in parallel plumbed systems) assembly longitudinal bores having a threaded plug at the distal end.

Abstract: An engine unit with a decreased height dimension and longitudinal length comprises an engine and a throttle body assembly. The throttle body assembly includes front and rear throttle bodies formed with front and rear air cylinders and throttle valves. A fuel supply pipe is arranged between central axes of the air cylinders in a longitudinal direction to extend widthwise in a lower position than upper ends of the throttle bodies. A motor for driving throttle valves is arranged between the central axes of the air cylinders in the longitudinal direction. An axis of a rotating shaft of the motor is positioned forwardly or rearwardly of a central axis of the fuel supply pipe.

Abstract: A fuel distribution apparatus for a V-type engine wherein first and second throttle bodies connected to first and second banks disposed in a V shape, respectively, are disposed therebetween and a main fuel distribution pipe for distributing fuel from a common fuel supply system is connected to first and second fuel injection valves provided in the first and second throttle bodies, respectively, is configured such that the fuel distribution pipe is formed from first and second distribution pipes separate from each other and connected to the first and second fuel injection valves and besides fastened to the first and second throttle bodies, respectively, a joint pipe connects the fuel supply to the first or second distribution pipes. Communication conduit connects the first and second distribution pipes.

Abstract: A fuel pipe assembly for supplying fuel to a fuel injector located within a bore of an engine cylinder head comprises a tube nut for connecting the fuel pipe to the fuel injector and a securing arrangement comprising a locking nut and a deformable clamp member for securing the fuel pipe within the tube nut. The tube nut comprises a tubular member defining an axial bore to receive the fuel pipe, a distal end shaped for cooperation with the head of the fuel pipe, and a proximal end having an attachment mechanism for engaging a compatible attachment mechanism of the locking nut. The locking nut has an axial bore to receive the fuel pipe, and an attachment mechanism for engaging a compatible attachment mechanism of the tube nut. The clamp member defines a bore to receive the fuel pipe and is deformable under compression.

Abstract: A fuel delivery system for a direct injection internal combustion engine which reduces mechanical stress on the fuel system components. The system includes a first and a second fuel rail mounted to the engine block for the internal combustion engine. A device is attached to the fuel rails which reduces movement of the fuel rails relative to the engine block and mechanical stress that would otherwise result from such movement.

Abstract: A fuel rail for high-pressure direct-injection internal combustion engines has an injector holder and a fastening bracket directly attached to a main body of the fuel rail. Thermal deformation may occur at the time of temporary fitting or brazing when assembling the rail. However, positional accuracy of the injector holder can be assured, which results in having an excellent sealing property. Components of the fuel rail for direct-injection internal combustion engines are made of steel or stainless steel, and the components are joined reciprocally by brazing. The components joined by brazing are finished by cutting work and/or burnishing processing after the brazing step.

Abstract: A fuel supply system for a boat minimizes and prevents deterioration in combustion efficiency of the engine. The fuel supply system includes a throttle body that is connected to an engine and that supplies air to the engine, and an injector that injects fuel to the throttle body. The injector is configured to inject fuel to a direction opposite to an airflow direction in the throttle body.

Abstract: A fuel injector (10) for injecting fuel into an internal combustion engine has a backflow outlet (18) for taking away the un-injected fuel from the fuel injector (10). A backflow connector (20) is attached to the backflow outlet (18) using a connection component (24), where the connection component (24) is designed so that it can be attached to the backflow nipple (20) in two assembly positions. In the first assembly position the connection component (24) can be pre-assembled on the backflow nipple (20). By moving the connection component (24) into the second assembly position, the backflow nipple (20) can be attached to the fuel injector (10).

Abstract: In a fuel distributor assembly having a manifold (10) and at least one connecting nipple (12), which is welded to the manifold, for connecting a branch pipe to a transverse bore (16) leading through the wall of the manifold (10), an outer side of the connecting nipple transitions into the outer side of the manifold via an annular groove (26) that at least partially surrounds the outer side of the connecting nipple and is formed into the outer side of the manifold.

Abstract: A fuel delivery system for a direct injection internal combustion engine which reduces mechanical stress on the fuel system components. The system includes a first and a second fuel rail mounted to the engine block for the internal combustion engine. A device is attached to the fuel rails which reduces movement of the fuel rails relative to the engine block and mechanical stress that would otherwise result from such movement.

Abstract: A radial piston pump has a pump housing containing pump elements and whose high-pressure conduits extending in the pump housing are embodied so as to significantly increase the permissible operating pressures.

Abstract: A device for delivering fuel having a delivery unit, a main filter with a filter housing situated downstream of the delivery unit, and a drive line for driving a suction jet pump embodied in the filter housing of the main filter. As a result, the assembly and manufacture costs of the device are reduced.

Abstract: A fuel injection system includes a fuel piping for supplying fuel to plural injectors of a multi-cylinder internal combustion engine, and a connection member for attaching the fuel piping to a vehicle. The fuel piping is divided into plural resin supply pipe members across the longitudinal direction thereof. The fuel piping also includes an introduction pipe member, made of resin, for supplying fuel to the supply pipe members. The connection member includes a plurality of injector engaging portions connected to the injectors, and a plurality clamping parts connected to the fuel piping. The connection member is fixed to a component of the vehicle together with the fuel piping.

Abstract: The invention relates to an internal combustion engine with a fuel injection system. The injection system comprises a source (1) of pressurized fuel positioned outside an oil-wetted space (2) of an engine (4) and a fuel injector (5) positioned within Go said space (2). An engine component (7) that is a part of an engine system other than the fuel injection system is attached to the engine outside the oil-wetted space (2) by means of a fastener (9). The fastener (9) is provided with an internal passage forming part of a hydraulic communication between the source (1) of pressurized fuel and the injector (5).

Abstract: A common rail and injectors are connected by fuel pipes disposed outside a cylinder head cover. The common rail and the plurality of injectors integrated by the fuel pipes can be detached from a cylinder head, so that the plurality of injectors are detached from the cylinder head together with the common rail. In removing the cylinder head cover for inspection work, therefore, release of the connections of the fuel pipes to the injectors and to the common rail can be eliminated to minimize the release of the connection of piping.

Abstract: A fuel distribution tube for a direct injection fuel rail assembly includes an elongate cylindrical conduit, a plurality of first scalloped features that receive fuel injector sockets formed in the conduit, and plurality of second scalloped features that receive mounting bosses formed in the conduit. The scalloped features are designed to closely match the outer radii of the injector sockets and the mounting bosses. The scalloped features provide necessary dimensional control to injector sockets and mounting bosses and fuel passage from the fuel distribution tube to the fuel injector sockets. The scalloped features enable a leak test of the braze joints of the fuel rail assembly. By providing a direct injection fuel rail assembly that includes the fuel distribution tube having scalloped features formed in the conduit, optimization of true position location of fuel injector sockets and improved braze joints are enabled.

Abstract: The fuel injection system has at least two electrically actuated control valves for controlling the fuel injection; the control valves are each connected via electric lines to an electric control unit. In the fuel injection system, terminal elements for connection of the electric lines are provided. For a first of the control valves, a structural element is provided, on which the terminal elements for all the control valves are disposed, and which can be secured to a housing part of the fuel injection system. At least one electric connecting line from the terminal elements to the second control valve disposed inside a housing part of the fuel injection system is integrated with the structural element.

Abstract: A fuel system is disclosed. The fuel system has a first pump supplying fuel at a first pressure. The fuel system also has a fuel filter fluidly connected downstream of the first pump. The fuel system further has a second pump receiving fuel at a second pressure and fluidly connected downstream of the fuel filter. The fuel system additionally has a first passage fluidly connecting an outlet of the first pump to an inlet of the first pump. The fuel system also has a valve located within the first passage and configured to selectively allow fuel flow through the first passage. The fuel system further has a second passage fluidly connecting an inlet of the second pump to the valve, wherein the second pressure acts on the valve to affect fuel at the first pressure to flow to the inlet of the first pump via the first passage when the second pressure is greater than a predetermined pressure.

Abstract: An isolated fuel delivery system for an internal combustion engine includes a fuel rail with a clamping method operable to retain an isolating member with respect to the fuel rail. The isolating member operates to isolate the vibratory motion of the fuel delivery system form the attachment point or points. The attachment point is typically a cylinder head of the internal combustion engine. Additionally, an isolating ring assembly is provided having a first and second stiffening member with an isolating ring member disposed therebetween. The isolating ring assembly is disposed between a fuel injector of the isolated fuel delivery system and the cylinder head. The isolating ring member operates to isolate the vibratory motion of the fuel injector from the internal combustion engine.

Abstract: A sensor is used to sense a property relating to each one of a plurality of different elevational locations within a vertical plane that is normal to a length of an aircraft. The vertical plane passes through the doorway of the aircraft, and at least some of the plurality of different elevational locations are disposed outside a known surface boundary of the aircraft. A variation in the sensed property between two elevational locations is detected, the variation indicative of an elevational position of the known surface boundary. An elevational position of the doorway of the aircraft is determined based upon a known relationship between the known surface boundary and the doorway, and based upon the indicated elevational position of the known surface boundary. The determined elevational position of the doorway is used to guide an aircraft engaging portion of the movable bridge into elevational alignment with the said doorway.

Abstract: A fuel injector, in particular a fuel injector for fuel-injection systems of internal combustion engines, having an inflow nipple for the connection to a fuel-distributor line, a nozzle body disposed downstream from the inflow nipple, a magnetic circuit element, which includes a solenoid coil an inner pole, and an outer pole, as well as an armature, which is in force-locking connection with a valve needle such that a valve-closure element disposed at the valve needle lifts off from a valve-seat surface when solenoid coil is energized, the inflow nipple and the nozzle body being produced as deep-drawn components, and the inflow nipple and the nozzle body being fixed in place on the magnetic circuit element.

Abstract: To improve maintenance workability of fuel injection valves in multiple throttle bodies, a distribution member (D) is provided with a fuel distribution path (3) communicating with a fuel inflow path (8), throttle body mounting holes (7, 7) and injection valve support member mounting holes (6, 6), injection valve support members (S, S) are provided with injection valve support bosses (12, 12), the distribution member (D) is screwed to the one and other side throttle bodies (T1, T2) via the throttle body mounting holes (7, 7), the other side end surfaces (11, 11) of the injection valve support members (S, S) are screwed on one and the other side end surfaces (1, 2) of the distribution member (D), and the other and one side fuel injection valves (Ja, Jb) are held by the injection valve support members (S, S) and the other and one side throttle body (T2, T1) respectively.

Abstract: A fuel distribution tube for a direct injection fuel rail assembly includes an elongate cylindrical conduit, a plurality of first scalloped features that receive fuel injector sockets formed in the conduit, and plurality of second scalloped features that receive mounting bosses formed in the conduit. The scalloped features are designed to closely match the outer radii of the injector sockets and the mounting bosses. The scalloped features provide necessary dimensional control to injector sockets and mounting bosses and fuel passage from the fuel distribution tube to the fuel injector sockets. The scalloped features enable a leak test of the braze joints of the fuel rail assembly. By providing a direct injection fuel rail assembly that includes the fuel distribution tube having scalloped features formed in the conduit, optimization of true position location of fuel injector sockets and improved braze joints are enabled.

Abstract: The invention provides a fuel supply device, which is possible to prevent undesired water entered into a fuel path from remaining therein with a simple arrangement. A fuel supply pipe for supplying fuel to each of the fuel injection valves of an engine disposed with a plurality of cylinders in a vertical direction includes a fuel path in longitudinal direction, a smaller diameter portion formed perpendicular to the fuel path and continuous with a fuel injection valve mounting hole, and a cap attached to a lower end of the fuel path. The cap is arranged so that the upper end of its protruding portion is positioned at the same or nearly same level as that in height of the smaller diameter portion. Thus, the water entered in the fuel supply pipe is exhausted through the smaller diameter portion without delay.

Abstract: A fuel distributor (10) and mounting arrangement that helps support the weight of the fuel distributor (10) during removal and replacement for improved maintainability. The mounting arrangement includes a hanger (60) mountable on a first support which hanger (60) includes a slot (70), and a manifold (40) separate from the hanger (60) that has a first side (43) with a plurality of ports (54) arranged in a first configuration. The manifold (40) is connectable to a plurality of fluid lines on an engine (80). A fuel distributor body (12) has a first surface, a second surface spaced from the first surface and a third surface between the first surface and the second surface with a hanging cleat (36) projecting from the first surface that is configured to be received within the slot (70). The third surface has a main fuel inlet (16) and a plurality of additional fluid ports (18) arranged in the same configuration as the ports on the manifold (40). A mounting pin (26) projects from the third surface.

Abstract: A fuel delivery system comprises a fuel rail having an inlet, an outlet and a receptor associated with the outlet. The system further comprises a fuel injector. The inlet of the injector is configured for communication with the outlet of the fuel rail, and the injector outlet is configured for communication with a combustion chamber of an engine. The system still further includes a first feature associated with on one of the fuel rail and the injector, and a second feature associated with the other of the fuel rail and injector. The first and second features cooperate to form a seal between the injector and the fuel rail, and to maintain the axial alignment of the components.

Abstract: A flow damper includes a valve body, a piston, a spring, and a cap. The valve body is fastened to the rail main body and has a fuel passage therein. The fuel passage communicates between a fuel hole of the rail main body and the injector. The fuel passage includes a piston sliding hole on its rail main body-side. The piston is slidably held on an inner circumferential surface of the piston sliding hole. The spring urges the piston in an opposite direction from a direction of fuel flowing through the fuel passage. The cap includes a small diameter portion and a large diameter portion. The small diameter portion is fitted into the inner circumferential surface of the piston sliding hole with a gap between the small diameter portion and the piston sliding hole. The large diameter portion is located between the valve body and the rail main body.

Abstract: The invention relates to a leakage connection for an injector, which inject fuel into a combustion chamber of an internal combustion engine. The leakage connection is configured as one piece with an injector component. In addition, a leakage nipple is integrated into the leakage connection, for attaching a leakage return line.

Abstract: A fluid system for an engine is disclosed. The fluid system has a manifold with a plurality ports, and a retention device configured to constrain the manifold relative to the engine in only a single translational direction. The fluid system also has a plurality of tubes configured to communicate fluid from the ports with the engine and to constrain the manifold in the remaining translational directions.

Abstract: The present invention has an object to provide a vertical multi-cylinder diesel engine capable of conveniently protecting a common rail and its parts. On the assumption that a width direction of a cylinder block (2) is taken as a horizontal direction, when arranging the common rail (3) horizontally lateral of the cylinder block (2), there is disposed above the common rail (3) a passage forming means (23) which is the alternative of an intake air distributing means (5) and an exhaust air converging means (22). The passage forming means (23) above the common rail (3) may be formed into a box-shaped structure with no branch pipe. Further, an engine cooling fan (4) may be arranged in front of the common rail (3) so as to pass cooling air below the passage forming means (23) above the common rail (3).

Abstract: A fuel supply apparatus particularly for the outboard motor is capable of decreasing the need to change the layout, etc., according to the specification of an engine to reduce the cost of production by preventing vapor from being discharged into an intake pipe. A low pressure fuel pump has its discharge flow rate adjusted to be greater than that of a high pressure fuel pump, and surplus fuel accumulating in a volumetric chamber is caused to circulate through the volumetric chamber, a first return passage, fuel piping, and an inflow passage under the action of the low pressure fuel pump, a check valve and a relief valve, whereby fuel remaining in the volumetric chamber is prevented from being locally warmed.

Abstract: A fuel injection system includes a fuel piping for supplying fuel to plural injectors of a multi-cylinder internal combustion engine, and a connection member for attaching the fuel piping to a vehicle. The fuel piping is divided into plural resin supply pipe members across the longitudinal direction thereof. The fuel piping also includes an introduction pipe member, made of resin, for supplying fuel to the supply pipe members. The connection member includes a plurality of injector engaging portions connected to the injectors, and a plurality clamping parts connected to the fuel piping. The connection member is fixed to a component of the vehicle together with the fuel piping.

Abstract: A fuel rail mounting bracket for use in a fuel charging assembly of a vehicle engine is disclosed. The fuel rail mounting bracket may include a bolt support portion mounted to the vehicle engine; a transition zone extending from the bolt support portion; and a support hoop portion extending from the transition zone and supportably mounted around the fuel rail, the support hoop portion having a main wall thickness and including an upper fracture recess adjacent to the transition zone that has an upper fracture wall thickness that is less than the main wall thickness, and a lower fracture recess, adjacent to the transition zone and spaced from the upper fracture recess, having a lower fracture wall thickness that is less than the main wall thickness.

Abstract: An engine includes a fuel rail and fuel delivery devices, such as fuel injectors, that deliver fuel to corresponding cylinder assemblies. The use of the fuel rail and fuel injectors allows unused fuel to be purged from the engine at the end of the engine's operating cycle, thereby minimizing the creation of fuel vapor within the engine. The fuel rail is assembled from modular fluid conduit adaptors and fluid conduits. With such modularity, a custom fuel rail can be assembled for any size engine. The use of the fluid conduit adaptors and fluid conduits allows motion of the cylinder assemblies relative to the fuel rail during operation to minimize the application of potentially damaging forces on the fuel rail.

Abstract: A fuel delivery system in accordance with the present invention comprises a fuel rail having an outlet opening and an outlet cup that is insertable into the outlet opening. The cup includes a flange. The flange includes at least one tab extending therefrom. The cup further defines a vertical axis extending therethrough. The system further includes a fuel injector with an inlet insertable within the cup. The system still further includes a retention clip. The clip includes an inner peripheral surface, at least a portion of which is configured for engagement with the injector when the clip and injector are assembled together. The clip further includes at least one arm, the arm further including a finger configured for spring engagement with the tab of the cup. The clip is operative to limit the movement of the fuel injector when it is assembled with the clip and inserted in the cup.

Abstract: The invention relates to a fuel reservoir of a fuel injection system of a motor vehicle, having at least one fastening portion and one connecting element for fastening to an internal combustion engine, in which the connecting element has at least one first bearing face, which in the installed position points essentially toward the engine, and at least one second bearing face, which in the installed position points essentially away from the engine; and that the fastening portion is received in at least some portions between the bearing faces.

Abstract: A fuel distributor for a fuel injection system for internal combustion engines which has a two-shell housing with receptacles for mounting injection devices, which housing is put together from a rigid first housing shell and an elastic second housing shell covering the first. To reduce production costs and shorten the assembly time, the two housing shells are deep-drawn from a preferably stainless metal sheet, and the receptacles are formed integrally in one piece with the first housing shell, and a connection stub for a fuel line is formed integrally in one piece with the second housing shell.

Abstract: A fuel-injection system for an engine has a plurality of fuel-system components, including a pump, a fuel injector, and a plurality of fuel-system components connecting the pump to the fuel injector. A portion of the fuel-injection system from the pump to the fuel injector may include a first joint mating a first pair of the fuel-system components, a second joint mating a second pair of the fuel-system components, and a third joint mating a third pair of the fuel-system components. Each of the first joint, the second joint, and the third joint may include a curved surface and a corresponding seat that are mated to one another and that provide a substantially fluid-tight seal and allow variation in the angular relationship between the associated pair of fuel-system components.

Abstract: A fuel delivery system in accordance with the present invention comprises a fuel rail having an outlet opening and an outlet cup that is insertable into the outlet opening. The cup includes a flange. The flange includes at least one tab extending therefrom. The cup further defines a vertical axis extending therethrough. The system further includes a fuel injector with an inlet insertable within the cup. The system still further includes a retention clip. The clip includes an inner peripheral surface, at least a portion of which is configured for engagement with the injector when the clip and injector are assembled together. The clip further includes at least one arm, the arm further including a finger configured for spring engagement with the tab of the cup. The clip is operative to limit the movement of the fuel injector when it is assembled with the clip and inserted in the cup.

Abstract: It is described an internal combustion engine, preferably an engine that operates according to the Diesel cycle, comprising at least one engine head (1) with a valve cover (2) and at least one fuel distribution line (4), associated with the engine head (1) through at least one through aperture (8) located in the valve cover (2). The present invention further relates to an engine head (1), particularly for use in an internal combustion engine, and to a fuel distribution line (4).

Abstract: A system and method for securing a fuel injector in an internal combustion engine include a clamp for securing adjacent injectors to a cylinder head. The clamp includes a central portion with a hole for receiving a fastener to secure the clamp to the cylinder head, and a pair of symmetrical crescent-shaped clamping forks forming a U-shaped opening to facilitate lateral sliding engagement with diametrically opposed flatted portions of corresponding fuel injectors. Each arm includes an arcuate pad that engages a corresponding shoulder of the fuel injector to provide an axial clamping force to the fuel injector. The distance between the distal ends of one fork and the semicircular portion of the opposite fork is selected to allow lateral sliding disengagement of the clamp from one of the adjacent injectors without rotation or removal of the other injector to facilitate servicing of individual injectors.