Abstract: A fluid delivery system for delivering a supply of a fluid from a fluid source to at least one fuel injector includes a rail for conveying a fluid and being positionable proximate the fuel injector. The rail has a fluid passageway defined therein, the fluid passageway being in fluid communication with the source of fluid. A connector is in fluid communication with both the rail and with the fuel injector for fluidly connecting the rail to the fuel injector. The connector is universally shiftable in three orthogonal axes for accommodating static tolerances existing between the rail and the fuel injector and for accommodating dynamic relative motion between the rail and the fuel injector.

Abstract: In a structure of mounting a fuel injection valve, an annular connecting groove 12 is defined in an outer peripheral surface of an intermediate portion of a fuel injection valve I which has a fuel inlet portion 6 inserted in a fuel supply port 16 in a fuel distribution pipe D, and a connecting flange 17 is formed in the fuel supply port 16 and aligned axially with the connecting groove 12. A collar portion 22 and a locking groove 21 are engaged with the connecting groove 12 and the connecting flange 17, respectively, and are provided in a connecting member 20 for resiliently clamping the fuel injection valve I and the fuel supply port 16 from opposite outsides. A positioning bore 18 is provided in the connecting flange 17, and a positioning projection 13 is formed on the fuel injection valve I to be brought into engagement in the positioning bore 18 simultaneously with the insertion of the fuel inlet portion 6 into the fuel supply port 16.

Abstract: A plastic tank comprises a line which is connected at least in certain sections to its wall and is formed in one piece with the plastic tank. For its production, the plastic tank is injection-moulded between a hollow mould and an inner mould inserted into the latter, the mould having a recess, in which a sprue body is formed as the starting material for the line. Before this sprue body can solidify completely, material is blown out from it by means of the internal gas pressure or pressure blowing technique via channels provided in the mould, so that the required line is created there. The lines may be arranged on the outside and/or inside and parallel and/or at an angle to the tank walls.

Abstract: A support structure for a fuel supply system of a V-type engine having a mechanical connection to fixedly connect an intermediate portion of a fuel supply conduit portion arranged to straddle between the cylinder heads in two banks of the V-type engine to a water jacket assembly disposed to bridge between and rigidly connected to the cylinder heads to thereby provide a rigid vibration-suppressing support for the fuel supply conduit portion of the fuel supply system whereby generation of the working sound of respective fuel injection valves in every cylinders of the V-type engine is suppressed and reduced.

Abstract: A fuel supply apparatus restrains occurrence of resonance at a connecting portion of a distal end of a low-pressure fuel intake pipe to thereby reduce surges in fuel pressure and control generation of noises.

Abstract: A mounting apparatus of a fuel injection valve by which a fuel injection valve can be securely mounted to a fuel distributing pipe with a significantly simple engaging member so as to improve a performance of mounting to a suction pipe and increase a production efficiency.

Abstract: The invention relates to an injector for injecting fuel, which is under extremely high pressure, into the combustion chambers of an internal combustion engine. A valve body is provided, which opens and closes a valve chamber received in the injector housing, and an inlet leads from the valve body to the injection nozzle. For actuating the valve body, a control chamber of the injector housing is pressure-relieved by means of a control element. The inlet originating at the high-pressure collection chamber (common rail), extends centrally through the valve body, which is received movably in the injector housing.

Abstract: A fuel piping structure for a diesel engine, which is capable of cooling fuel which is flowing through a fuel circuit, especially, through a fuel return circuit, and capable of making the fuel circuit compact in size, is provided. For this purpose, in the fuel piping structure for the diesel engine in which the fuel circuit is provided between a fuel tank (5) and fuel injection nozzles (2) each for each cylinder head (1), a part of the fuel circuit is formed inside an intake manifold (3). Further, the part of the fuel circuit may be a part of a fuel return circuit running from the fuel injection nozzles (2) to the fuel tank (5), and/or a part of a fuel supply circuit running, from the fuel tank (5) to the fuel injection nozzles (2).

Abstract: A holder body for a fuel injection valve for internal combustion engines, having a substantially cylindrical basic shape and a centrally disposed axial blind bore, originating at a first end face, as well as a flow conduit offset laterally from the blind bore, which flow conduit, entering the first end face, emerges from the holder body axially downstream of a closed end of the blind bore, at an incline to the axis of the blind bore. The outlet opening of the flow conduit is disposed on a second end face, remote from the first end face, of the holder body, and a longitudinal axis of the holder body in the region of the second end face is angled by a predetermined angle relative to a longitudinal axis of the holder body in the region of the blind bore.

Abstract: An improved fuel supply arrangement for a direct fuel injected engine. In one feature, the fuel supply arrangement comprises a high pressure fuel pump for developing high pressure in fuel, a fuel injector for directly injecting the fuel into combustion chamber of the engine and a flexible conduit for connecting the high pressure fuel pump and the fuel injector. In another feature that is for a multi-cylinder engine, the fuel supply arrangement comprises a high pressure fuel pump for developing high pressure in fuel, a plurality of fuel injectors for directly injecting the fuel into respective combustion chambers of the engine, a fuel supply rail for supplying the fuel from the high pressure fuel pump to the fuel injectors and a flexible conduit for connecting the high pressure fuel pump and the fuel supply rail.

Abstract: The present invention relates to a pressure damper for a pressure vessel, in particular for a fuel distributor for an internal combustion engine, with a damper bellows that is connected to a sealing cap for closing an opening of the pressure vessel. In order to obtain a pressure damper that can be installed as easily as possible and can be manufactured as inexpensively as possible, the provision is made according to the invention that the sealing cap is embodied of one piece as a deep-draw part made of metal.

Abstract: In a structure of mounting a fuel injection valve, an annular connecting groove 12 is defined in an outer peripheral surface of an intermediate portion of a fuel injection valve I which has a fuel inlet portion 6 inserted in a fuel supply port 16 in a fuel distribution pipe D, and a connecting flange 17 is formed in the fuel supply port 16 and aligned axially with the connecting groove 12. A collar portion 22 and a locking groove 21 are engaged with the connecting groove 12 and the connecting flange 17, respectively, and are provided in a connecting member 20 for resiliently clamping the fuel injection valve I and the fuel supply port 16 from opposite outsides. A positioning bore 18 is provided in the connecting flange 17, and a positioning projection 13 is formed on the fuel injection valve I to be brought into engagement in the positioning bore 18 simultaneously with the insertion of the fuel inlet portion 6 into the fuel supply port 16.

Abstract: A common rail housing for a common rail injection system is composed of a pressure accumulation pipe whose outer circumference is formed in complete round shape in cross section and which is provided inside with a pressure accumulation chamber having oval cross section and a plurality of blanch pipes each of which is provided inside with a fuel conduit bore. Outer circumference of the oval cross section has a specified portion whose curvature is smaller than that of complete round shape having an area equal to that of the oval cross section. Each of the blanch pipe is connected to the pressure accumulation pipe so that the fuel conduit bore and the pressure accumulation chamber intersect nearly perpendicularly to each other at the specified portion. Accordingly, when fuel is supplied to the pressure accumulation chamber, not only the stresses concentrated on the specified portion are limited but also wall strength of the pressure accumulation pipe at the specified portion is reinforced.

Abstract: A fuel injector mounting construction for an engine includes an improved thrust member. The engine is a direct injected, internal combustion engine. A fuel injector is provided for spraying fuel into a combustion chamber and inserted into an opening formed in a cylinder head. The fuel injector has a contact surface for receiving a loading or thrust force. The contact surface extends about the nozzle of the fuel injector. A seal member is provided for sealing a space between the fuel injector and the opening. The thrust member has a fixing section and a thrust section. A fixing member affixes the thrust member onto the cylinder head at the fixing section and thereby loads the thrust section onto the contact surface to exert a upon the contact surface toward the combustion chamber. At least one of the thrust section and the fixing section has a convex surface.

Abstract: A fuel injection valve for internal combustion engines is supplied from a high-pressure fuel reservoir with high-pressure fuel that at the same time also serves to actuate the injection valve needle of the fuel injection valve. The injection valve needle is actuated via a tappet, which defines a control pressure chamber that is supplied with high-pressure fuel via a Z-throttle and can be relieved via an outlet throttle which is controlled by a magnet valve. The control pressure chamber is enclosed in an insert by the tappet guided in a cylindrical bore, and this insert receives not only the cylindrical bore but also a flat armature, a tappet of the flat armature, and a valve member of the magnet valve. The insert is braced on the housing on the injection valve by the magnet valve housing.

Abstract: A connector, for example as shown in FIG. 1, for use in supplying fuel to a fuel injector comprises a tubular member arranged to be received, in use, within an opening provided in an engine cylinder head, the tubular member being shaped, at a first end thereof, for cooperation with part of the fuel injector, a second end of the tubular member being shaped for cooperation with an inlet adapter member. The inlet adaptor member is secured, in use, within the opening, the inlet adapter member and the tubular member defining a flow passage whereby fuel can be supplied, under pressure, to the fuel injector.

Abstract: A pressure reserve for a common rail fuel supply system has outlet connections communicating with injection valves. The outlet connections are disposed in end pieces connected to an elongated hollow body. This disposition of the outlet connections assures that pressure surges that occur in the pressure reservoir have only a very slight influence on the injection events. In addition, economical production of the pressure reservoir is possible.

Abstract: A cylinder head, air intake manifold, fuel injector and fuel rail arrangement for an overhead valve engine that provides a compact assembly. The fuel rail is attached to the cylinder head by fasteners that extend parallel to the fasteners that fix the intake manifold to an adjacent portion of the cylinder head. The layout is such, however, that there is no interference between the various components and thus accessibility is improved while cost is minimized.

Abstract: An apparatus for conveying high pressure actuating fluid such as engine lubricating oil to hydraulically actuated electronically controlled injectors (HEUIs) in an internal combustion engine. The apparatus has a fluid rail with outlet ports to communicate the actuating fluid to the injectors which is adapted to be mountable on an engine so as to be located in use above the actuating fluid inlets of the injectors. A fuel injection system for an internal combustion engine incorporating such apparatus is also described.

Abstract: A delivery pipe of a fuel supply system for injectors mounted on a cylinder head is divided for each injector or a group of injectors. Divided pipe parts are coupled with each other through a flexible member to allow flexing of the delivery pipe. Each injector is connected with the delivery pipe through a flexible coupling member and with the cylinder head through a flexible cushioning member. Alternatively, a fuel passage is formed in the cylinder head in place of the delivery pipe to supply fuel to the injectors after heating in the cylinder head.

Abstract: There is provided a common rail for a diesel engine in which fatigue strength against inner pressure is increased by reducing the difference in hardness or elongation between a steel surface and a nonmetal inclusion on the inner surface of, or in the surface layer of, a rail and lowering the degree of concentration of fatigue stress. The common rail includes a main pipe rail having a circulating passage extending in its inside in the axial direction thereof, branch holes formed in an axial peripheral wall portion of the main pipe rail, and branch connectors connected to the respective branch holes integrally or via separate connecting members, and a Ni-diffused fatigue strength reinforcing layer which is formed by heating a Ni layer plated in advance is formed on at least a portion of an inner circumferential surface of the common rail. The increased strength and the action of the fatigue strength reinforcing layer lowers the degree of fatigue concentration to increase fatigue strength against inner pressure.

Abstract: There is provided a common rail which can effectively restrict a generation of a tensile stress in a lower end inner peripheral edge portion of a branch hole by canceling by means of a compression residual stress and can improve an internal pressure fatigue strength in a branch pipe connecting portion, so that a secure and stable function can be obtained by having an excellent durability and preventing a fluid leakage due to a generation of the crack generation and a method of manufacturing a common rail in which a pressure application process is only added to a normal manufacturing process, no complex equipment is required, and a common rail having a high quality can be manufactured by a low cost without generating problems that an equipment cost is increased by an increase of the process and a productivity is reduced.

Abstract: An intake manifold assembly includes an improved air intake manifold receiving novel side feed fuel injectors. A fuel rail is integrated as a common part defining a common fuel passage integral with the air intake manifold. The common fuel passage supplies the side feed fuel injectors through openings that are spaced away from the injector nozzles toward an opposite connector end of each injector. The injector design concentrates an actuating coil, armature and nozzle valve in a lower or nozzle end of the injector. The fuel is fed from the side feed opening through an axially centered fuel passage that extends through the coil and the associated armature to the injection valve in a manner identical to corresponding top feed injectors. Thus, the performance advantages of top feed injection systems are provided while gaining the reduction in cost attributable to elimination of the separate fuel rail and subassembly. Various arrangements are disclosed for retaining the injectors in the manifold assembly.

Abstract: A fuel delivery system for a boat having an internal combustion engine is provided. The system provides a source of fuel. A fuel supply conduit is connected to the source of fuel to deliver fuel to the engine. A fuel impermeable housing has one end coupled to the source of fuel and defines a passageway that receives the fuel supply conduit interiorly of the boat. The passageway is hermetically sealed relative to the interior of the boat and provides a return path into the fuel source to any fuel that may spill in the passageway.

Abstract: A subsidiary tank 89 provided on a side wall of an engine block on an outboard engine system temporarily stores a fuel supplied from a fuel tank not shown and provided on a hull, and pressurizes the fuel to a high pressure to deliver it to a fuel injection valve 94. An upper space in the subsidiary tank 89 is connected to an inner space of an intake silencer 76 through two air vent pipes L7, L8. Even when a fuel vapor liquefies in the intake silencer 76 at the time of engine suspension, the liquefied fuel is caught at a bottom of the intake silencer 76 having a large volume with no possibility of flowing out.

Abstract: Fuel line arrangement for a liquefied petroleum gas fuel injection system, and method. A fuel supply line provides flow between a fuel tank and a plurality of fuel injectors, and a fuel return line returns a portion of the supply fuel to the tank. The supply line is positioned within the return line so that return fuel substantially surrounds the supply line. Liquefied petroleum gas is vaporized within the return line under certain conditions, thereby cooling supply fuel. A novel Y-connector and bushing are also disclosed.

Abstract: A delivery pipe of a fuel supply system for injectors mounted on a cylinder head is divided for each injector or a group of injectors. Divided pipe parts are coupled with each other through a flexible member to allow flexing of the delivery pipe. Each injector is connected with the delivery pipe through a flexible coupling member and with the cylinder head through a flexible cushioning member. Alternatively, a fuel passage is formed in the cylinder head in place of the delivery pipe to supply fuel to the injectors after heating in the cylinder head.

Abstract: The invention provides an engine fuel rail compact and having highly reliable functions because it is an insert-molded product integral with an electrical wiring, contributing to reduction in the number of fabrication steps and cost of fabrication, and a method of fabricating the same. An oil delivery path and the electrical wiring in parallel therewith are embedded in a base member molded from a synthetic resin, as a main body, so as to be integral with each other, and a plurality of branching blocks for respective cylinders of an engine are provided protuberantly on the right side and the left side of the base member, alternately, the base member having an opening at one end thereof to serve as a socket on an input side for the electrical wiring, while the end face of respective branching blocks has an opening to serve as a fixture mount for respective injectors and an opening to serve as a socket on an output side for connection of the respective injectors with the electrical wiring.

Abstract: A high-pressure fuel reservoir for a fuel injection system for internal combustion engines, which is supplied with high-pressure fuel by a high-pressure fuel pump and which has connections embodied as connection stubs, from each of the connection stubs one connecting bore discharges into the tubular body eccentrically to the axis of the tubular body. The tubular body is produced by forging, with three connecting stubs and fastening elements formed on by forging.

Abstract: The invention relates to a fuel-injection system for an internal combustion engine. The fuel-injection system contains a number of fuel injectors which are supplied with fuel by a high-pressure pump via a common inlet pipe and high-pressure lines leading from said pump to the individual fuel injectors. High-pressure storage devices are provided in each of the high-pressure lines in each of the high-pressure lines, the fuel storage volumes of said high-pressure storage devices being between 80 and 300 times, preferably between 120 and 200 times the maximum injection quantity per injection action. The diameter D2 of the high-pressure lines leading from the common inlet pipe to the high-pressure storage devices is measured to minimize the difference in the quantities of fuel injected by the fuel injectors.

Abstract: A common rail is provided for promoting inner pressure fatigue strength at location in proximity to a branch pipe. The common rail includes a main pipe rail with a main flow path. At least one boss in provided on the peripheral wall and includes a branch hole communicating the main flow path. The branch pipe is provided with a connecting head that has a pressing face at and end of the branch pipe. The pressing face of the branch pipe is urged into a pressure receiving seat of the boss. A compressive residual stress is provided at location in the peripheral wall where the main flow path of the main pipe rail communicates with the branch hole. The compressive residual stress increases the pressure fatigue strength by substantially canceling tensile stress.

Abstract: The invention concerns a fuel dispensing device, in particular for an engine supplied under relatively high pressure. The invention is characterised in that the fuel-dispensing pump comprises a hollow body (12) where are arranged the passages (14) and inside which is provided a substantially spherical cavity (17) part (18) and a plugging arrangement (30) screwed in the hollow body. The plugging arrangement can be mounted in the pump outlet.

Abstract: A fuel line for an internal combustion engine is provided by forming a metallic tube into regions with folds and other regions without folds. As a result, a flexible metallic conduit is formed which can be easily bent during assembly to an internal combustion engine. The fuel line does not require elastomeric seals or other non-metallic elements. As a result, the fuel line is highly flame resistant and abrasion resistant and can be manufactured less expensively than more complicated composite fuel lines known to those skilled in the art.

Abstract: In order to prevent fuel leakage from a high pressure fuel pipe at a low temperature, a sealing capacity of a seal member provided in a fuel transfer portion of a high pressure fuel pipe is estimated in accordance with various conditions and the fuel pressure within the high pressure fuel pipe is controlled on the basis of the estimated sealing capacity so as to secure a sealing property in the fuel transfer portion.

Abstract: A structurally simple common rail is highly sealed and light weight manner. The common rail includes a thick wall pipe having a flow passage for accumulating pressure of high pressure fuel. The high pressure fuel is supplied from a high-pressure pump and distributed to an injection nozzle. The end portion of the thick wall pipe is reduced in diameter by drawing. A thread portion is formed on an outer peripheral surface of the diameter-reduced end portion. A connecting end of a piping component is connected to the end portion of the thick wall pipe by screwing a nut to the thread portion of the thick wall pipe.

Abstract: This invention relates to an internal combustion engine with intake and exhaust valves (6, 7) and one nozzle mount (4) per cylinder (2) for an injection nozzle (5) injecting fuel into a combustion chamber, the nozzle mount being connected to a fuel supply line (14) and a return oil line (19), the nozzle mount (1) being screwed into a first recess (13) in the cylinder head (1), and the cylinder head (1) exhibiting a second recess (17) approximately normal to an engine longitudinal plane (16) containing the cylinder axis (3), which second recess, extending from a first cylinder head longitudinal side wall (15a), intersects the first recess (13) approximately radially. In order to make possible a reliable fuel supply to the nozzle mount (4) with minimal space requirement and short fuel supply lines (14), the second recess (17) continues up to the second cylinder head longitudinal side wall (15b) lying opposite the first cylinder head longitudinal side wall (15a) and forms in this region the return oil drain.

Abstract: A fuel tank for a motor vehicle, comprising a tank body with a smaller reservoir which is arranged therein and which is inserted into the tank body through a closable opening in the wall thereof, and joined thereto. The reservoir is deformable at least in portions of the wall defining same. After the reservoir has been at least partially inserted into the tank body, it undergoes a change in shape resulting in an increase in its volume within the tank body and a change in its cross-section such that the largest cross-section of the reservoir is larger than the cross-section of the opening of the wall in the tank body, that is available for insertion of the reservoir. The reservoir is defined at its ends by rigid components and the deformable wall portion of the reservoir is in the region between those components.

Abstract: A diesel engine fuel jumper line assembly is disclosed which provides both improved performance and ease in manufacturing. The fuel jumper line forms a loop with the fuel injector and the fuel manifold/engine block. There is an improved connection between the injector and the fuel jumper lines with positive sealing which provides for substantially enhanced sealing and more effective maintenance. The novel sealing design eliminates the prior metal-to-metal seal and has chamfer-shaped fittings. A reinforced connection in which the fuel manifold is bolted to the fuel line jumper block is also provided, which prevents fuel leaking and mixing with the lubrication oil as well as preventing lubricating oil leaking outside of the engine through the bolt hole.

Abstract: A fuel rail has a high pressure inlet and a low pressure outlet. The high pressure inlet feeds pressurized fuel to a plurality of injectors along the fuel rail. A fuel return line, which is connected with the low pressure outlet, is positioned substantially centrally of and coaxial with the fuel rail. The fuel return line is non-circular in configuration having a width to height ratio greater than one. The configuration of the return fuel line and the flexibility of the walls thereof provide a damper that reduces the pressure pulsations in the high pressure fuel.

Abstract: A fuel injection system includes a fuel body having a compact fuel chamber connected through individual flexible fuel tubes with separate fuel injectors mounted on the separate cylinder inlet passages of an engine. The system may have an integral fuel pressure regulator or the regulator may be located separately, for example with the fuel pump in a vehicle fuel tank. The pressure regulator may include a unitized diaphragm and valve assembly which may be dropped into a housing with a valve seat in the fuel body and enclosed by cover and spring means to form an integrated system. The unitized assembly can also be used in other applications. Pulsation damping may be provided by a flexible wall of the fuel chamber. The flexible wall may be the pressure regulator diaphragm or a resilient wall designed for the purpose.

Abstract: The present invention relates to a fuel pump assembly for a motor vehicle, the assembly being characterized by the fact that it comprises a damping device (42) formed on the outlet of a pump (20) by a sleeve made of compressible material.

Abstract: A common rail includes a generally cylindrical peripheral wall having a communication passage extending axially therethrough. At least one branch hole extends through the peripheral wall and is aligned perpendicular to the axis of the common rail. The intersection of the branch hole with the outer surface of the main pipe rail defines an outwardly flared pressure receiving seat for receiving the connection head portion of a branch pipe. A sleeve nipple is welded or brazed to the outer surface of the main pipe rail and surrounds the branch hole. Inner surface regions of the peripheral wall surrounding the branch hole have a compression residual stress imparted thereto. The creation of the compression residual stress may cause a portion of the inner surface of the main pipe rail surrounding the branch hole to assume a non-cylindrical configuration.

Abstract: A fuel injection system for internal combustion engines having a high-pressure fuel reservoir supplied from a high-pressure fuel pump. The high-pressure fuel reservoir takes the form of a hollow sphere, which is welded together from two forged hollow hemispheres. Fastening elements formed in a forging operation are used to secure the high-pressure fuel reservoir in a vehicle.

Abstract: A configuration for mounting a fuel line on an engine which reduces the number of parts needed to mount the fuel lines and the fuel cock, reduces the number of assembly and mounting processes, and improves both the handling qualities and the safety of the engine at a low cost. In this fuel line configuration for a single-cylinder multi-purpose engine having a fan cover and a front cover on the front of the engine, a fuel tank on top of the engine is connected to the carburetor by a fuel line with a fuel cock on it. Semicircular grooves are provided in the fan cover and front cover, and the fuel line is engaged in a channel formed by the two grooves and thereby immobilized. The fuel cock, which is attached to the front end of the fuel line, is mounted to the front cover.

Abstract: A mechanical rotation limiting connection, defined between the end of a rigid metal cross-over tube and the adjacent end of a fuel rail, is disclosed. The coupling comprises a fitting that is inserted into, and permanently joined to, an open end of the fuel rail. The fitting includes a body complementary in shape to the fuel rail, with an enlarged flange at its trailing end, a tapered leading section, and an axial bore of stepped configuration. The leading section of the cylindrical cross-over tube is deformed into a polygonal shape that fits into the bore of the fitting; a transition section and a round section extend inboard of the leading section, and an enlarged annular collar encircles the cross-over tube. The leading section of the cross-over tube is inserted into the fitting, and mechanical members on the fitting are deformed or crimped over the annular collar on the cross-over tube to lock the tube within the fitting, and prevent inadvertent disassembly.

Abstract: A fuel injection system for internal combustion engines in which a high pressure fuel reservoir is provided, from which fuel is supplied to injection valves in an electrically controlled manner. In order to reduce damage which occurs when there are leaks from the high pressure reservoir, the high pressure reservoir is enclosed by a sheath that can capture the emerging leakage fuel.

Abstract: In a fuel injection arrangement for a multi-cylinder internal combustion engine including an engine block with a cylinder head defining combustion chambers and a cylinder head cover wherein the cylinder head has cavities receiving fuel injectors which extend downwardly into the combustion chamber for injecting fuel and upwardly into recesses formed in the side wall of the cylinder head, a fuel distribution rail extends over, and is connected to, the fuel injectors, and the cylinder head cover has an extension projecting sidewardly over the fuel injectors and the fuel distribution rail so as to form a protective shield.

Abstract: Deformation of a delivery pipe in which injectors for injecting fuel into the combustion chambers of corresponding cylinders in an internal combustion engine are accommodated, is suppressed, thereby preventing deterioration of the fuel sealing. At least two mounting portions are provided on respective lengths of the delivery pipes that extend outward from opposite ends of a length of the delivery pipe along which injector-inserting portions are disposed for accommodating the injections. This arrangement of the mounting portions prevents deformation of at least the length of the delivery pipe in which the injector-inserting portions are disposed, thereby preventing deterioration of the fuel sealing between the injectors and the injector-inserting portions of the delivery pipe which could otherwise be caused by high-pressure fuel, thermal contractions at very low temperatures, or the like.

Abstract: An arrangement for an injection pump in an internal combustion engine, especially a large diesel engine, in which the injection pump (2) is provided with a pressure medium controlled feed control valve (11), the flow circuit of which includes a pressure medium source (14), from which pressure medium is pumped through a delivery duct (16a) into a feed duct (17, 18, 20, 21, 22, 22a), which is provided with a non-return valve (23) and is connected to a pressure chamber (13) affecting said control valve (11) and to a spill passage (24) to be switched off by means of a solenoid valve (25), whereby closing of the solenoid valve (25) is arranged to provide a pressure increase in the pressure chamber (13) and, thus, a change of the state of the control valve (11).

Abstract: An engine is mounted in an engine compartment of a vehicle, and a cooling fan driven directly by the engine is disposed on the front of the engine. A fuel piping structure is located between an exhaust manifold and the cooling fan so that air from the fan passes over and cools the fuel piping structure, and carries the heat of the exhaust manifold rearwardly away from the fuel piping structure.