Entries |
Document | Title | Date |
20080216798 | COUPLING DEVICE AND FUEL SUPPLY ARRANGEMENT - A coupling device ( | 09-11-2008 |
20080245340 | Combustion Seal - A combustion seal for a fuel injector assembly mountable within a cylinder head of an internal combustion engine is provided. The combustion seal is energized by combustion gases within a combustion chamber to effect sealing of an injector tip portion of the fuel injector assembly with respect to the cylinder head, thereby preventing the leakage or escape of combustion gases from the combustion chamber. A cylinder head assembly including the combustion seal is also disclosed. | 10-09-2008 |
20080264389 | Component geometry and method for blowout resistant welds - In a method for reducing “blow-out” of annular welds for attaching components in a fuel injector, a relief region is formed on radially-facing surfaces of the components. The relief region is adjacent to a press-fit region. The components are then pressed together, and a weld is made in the relief region. A sealed gap is thereby formed in the relief region between the weld and the press-fit region. The sealed gap provides for the expansion of trapped gases that could otherwise “blow out” the liquid weld bead. | 10-30-2008 |
20080264390 | Injection Valve for Injecting Fuel and Cylinder Head - An injection valve ( | 10-30-2008 |
20080271713 | FUEL INJECTOR ASSEMBLY WITH INJECTOR SEAL RETENTION - A fuel injector assembly with injector seal retention includes a fuel injector body including an injector nozzle housing disposed at a distal end of the fuel injector body. The injector body is adapted with a grooved portion to securely capture an injector seal to prevent the loss of the injector seal during installation and/or removal of the fuel injector assembly into an engine cylinder head. | 11-06-2008 |
20080295806 | Heat conducting sleeve for a fuel injector - An engine comprises a block, a piston, a head, a fuel injector, and a sleeve. The block includes at least one bore. The piston is configured to reciprocate within the bore. The head is coupled to the block and defines with the block and the piston a combustion chamber. The fuel injector is coupled to the head and is configured to deliver fuel to the combustion chamber. The fuel injector includes an actuator extending between a first axial position and a second axial position along a longitudinal axis of the fuel injector. The sleeve is coupled between the head and the fuel injector and extends between a third axial position and a fourth axial position along the axis of the fuel injector. The area between the first and second axial positions at least partially overlaps the area between the third and fourth axial positions. | 12-04-2008 |
20080302336 | Fuel Injection Valve - The fuel injection device provides a particularly effective sound-decoupling construction. The fuel injection device has at least one fuel injection valve, a receptacle bore for the fuel injection valve in a cylinder head, and a fuel distributor line having a fitting in which the fuel injection valve is placed in partially overlapping fashion. A connecting element is situated in the receptacle bore such that the fuel injection valve is held in the connecting element such that the fuel injection valve and the connecting element are held so that they do not contact any surfaces or walls of the receptacle bore of the cylinder head that do not run axially parallel to the fuel injection valve. For this purpose, the connecting element is attached immediately on the fitting of the fuel distributor line. | 12-11-2008 |
20080314365 | Gas Direct Injector Tip Seal - A fuel injector tip seal is provided including improved resistance to the heat and pressures of combustion gas. According to one aspect, the tip seal is formed from polytetrafluoroethylene and between 10 and 35 percent carbon fiber. The material offers improved surface finish and deformation resistance as well as improved thermal conduction and keeps thermal expansion low as compared to conventional fuel injector tip seal designs. According to a further aspect, a revised seal groove design is provided that allows for expansion and deformation of the tip seal and creates more pressure to the outside diameter face when pressure is applied at the tip. According to another aspect, the tip seal is formed of a flat disk-shaped seal body that can be assembled on the fuel injector by an assembly cone device that allows the disk-shaped seal body to be flipped to a ring-shaped configuration in its assembled position. | 12-25-2008 |
20080314366 | Damping Device and Damping Element - A damping system arranged in the region of an injector base between a cylinder head and an injector mounted thereon of an internal combustion engine has a multi-part construction. A damping element forming part of the damping system is constructed as a metal cushion. | 12-25-2008 |
20090013968 | Vapor recovery system for a direct injector fuel rail assembly - A fuel rail assembly for injection of fuel includes a fuel injector socket having a fuel injector assembly inserted, a collar surrounding said fuel injector assembly and providing a gap there between; and a seal sealing the gap between the collar and the fuel injector assembly thereby forming a secondary chamber. Fuel vapors that escape the primary seal of the fuel injector installed in the fuel injector socket are captured in the secondary sealed chamber and are directed to an evaporative control system. The collar is designed such that only minimum modifications are required to both current injectors and current injector sockets. By integrating the collar into a DIG fuel rail assembly in accordance with the invention current DIG internal combustion engines may be converted to PZEV DIG engines. | 01-15-2009 |
20090025687 | PRE-LOADED INTERNAL FUEL MANIFOLD SUPPORT - A system for mounting an internal fuel manifold within a gas generator case of a gas turbine engine includes at least one fastener support assembly having a fastener pin and at least one receiving element, respectively engaged to either the internal fuel manifold or the gas generator case. A biasing member is located between the fastener pin and the receiving element to axially preload the joint between the fastener pin and the receiving element, such as to constrain relative movement between the two parts in an axial direction while allowing relative movement in a radial direction. | 01-29-2009 |
20090031992 | FUEL INJECTOR MOUNTING ASSEMBLY FOR AN AIRCRAFT ENGINE FUEL DELIVERY SYSTEM - A fuel injector mounting assembly is configured to limit or constrain movement of a fuel injector relative to a corresponding cylinder assembly. For example, the fuel injector mounting assembly includes a base that is secured to a cylinder assembly's housing and a fuel conduit. The fuel conduit includes a first fuel conduit portion which operates in conjunction with a cylinder assembly's fuel manifold to capture a fuel injector between the fuel injector mounting assembly and the cylinder assembly's fuel manifold. The fuel conduit also includes a second fuel conduit portion which is secured to a compliant fuel line. With such a configuration of the fuel injector mounting assembly, both ends of the fuel injector are secured to the cylinder assembly to minimize any relative motion in the fuel injector's seals relative to either the cylinder assembly's fuel manifold or to the compliant fuel line. | 02-05-2009 |
20090031993 | FUEL INJECTION VALVE ATTACHING STRUCTURE IN ENGINE FOR SMALL-SIZED VEHICLE - A fuel injection valve attaching structure is provided in an engine for a small-sized vehicle. The vehicle includes a vehicle body frame, an engine mounted on the vehicle body frame, a crankshaft extending in a widthwise direction of the vehicle body frame, and a storage compartment positioned above the engine and supported by the vehicle body frame. The vehicle includes an intake device forming an intake path having a U-like shape in side view in cooperation with an intake port provided for a cylinder head as a part of the engine, connected above the cylinder head, and disposed between the engine and the storage compartment so as to extend rearward from the cylinder head. The vehicle includes a fuel injection valve attached to the cylinder head and having an axis tilted forward and outward of the vehicle body frame. | 02-05-2009 |
20090050113 | Intermediate Element for a Fuel Injector - An intermediate element for a fuel injector situated in a cylinder head of an internal combustion engine is disposed between a valve housing of the fuel injector and a wall of a receiving bore of the cylinder head, and/or between the valve housing and a clamping shoe holding the fuel injector down in the cylinder head. The intermediate element is made up of a plurality of layers having different patterning and/or being made of different materials. | 02-26-2009 |
20090056674 | HOLD-DOWN DEVICE FOR A FUEL INJECTION DEVICE, AND FUEL INJECTION DEVICE - The hold-down device for a fuel injection device is distinguished by a particularly simple design that nonetheless permits a very effective holding down of a fuel injection valve. The fuel injection device includes at least one fuel injection valve, a receptacle bore for the fuel injection valve, and a connecting fitting of a fuel distributor line, the hold-down device being clamped between a shoulder of the fuel injection valve and an end surface of the connecting fitting. The hold-down device has a partially annular base element from which there extends, in a bent-away fashion, an axially flexible hold-down clip that has at least two webs, two oblique segments, and two support segments. The fuel injection valve is particularly suitable for use in fuel injection systems of mixture-compressing externally ignited internal combustion engines. | 03-05-2009 |
20090071445 | Damping element for a fuel injection valve - Known damping elements ( | 03-19-2009 |
20090084358 | FUEL INJECTOR MOUNTING SCHEME - A fuel delivery system comprises a fuel rail having an inlet, an outlet opening, and a flow channel therein configured to allow fuel to be communicated between the inlet and outlet opening. The system further comprises a fuel injector having a body that includes a keying feature. The system still further comprises an injector cup configured for receiving a portion of the injector. The system yet still further comprises a mating feature associated with the fuel rail and/or the injector cup. The mating feature includes an aperture in the fuel rail and/or a portion of the injector cup, and is configured for receiving and mating with the keying feature. The mating feature is further configured to allow the injector to be rotated such that the keying feature can be transitioned from an aligned arrangement with the aperture of the mating feature to a misaligned arrangement to retain the injector. | 04-02-2009 |
20090084359 | Diesel fuel injector removal tool - An improved tool for removal of fuel injectors from the cylinder head of a diesel engine includes a male threaded pulling shaft having a milled top, with a female threaded connector at the bottom for releasable connection to the male threads at the top of a typical fuel injector. A sleeve fits over the threaded pulling shaft so that the base of the sleeve rests against the cylinder head, and the top of the pulling shaft extends through the top of the sleeve. A drive nut engages the threads of the pulling shaft and can be threaded down the pulling shaft until the drive nut contacts the top of the sleeve, preferably adjacent an interposed washer. An open end wrench is then used to turn the drive nut against the sleeve, thereby lifting the threaded pulling shaft relative to the sleeve and removing the injector from the cylinder head. The injector can then be unscrewed from the female threaded connector. | 04-02-2009 |
20090145406 | FUEL INJECTION BODY SIZED TO REPLACE CARBURETOR BODY - A fuel injection unit is designed for replacement of existing carburetors. The fuel injection unit can be sized similarly to the existing carburetor. The fuel injection unit can have concealed fuel injectors. End caps can be provided that overlie the fuel injectors and that contain fuel line connections. The end caps provide an appearance of carburetor fuel bowls while generally concealing the fuel injectors and the associated fluid connections. | 06-11-2009 |
20090145407 | COUPLING ARRANGEMENT AND CONNECTION ASSEMBLY - A coupling arrangement ( | 06-11-2009 |
20090151701 | Connection Head Structure of High Pressure Fuel Injection Tube - A connection head structure of a high pressure fuel injection tube is provided to avoid an interference between an annular flange and an opposing part by sufficiently maintaining an tube axial direction length of the connection head and to obtain a good sealability to prevent leaking during autofrettage processing with a high pressure of not less than 300 MPa. A connection head structure of a high pressure fuel injection tube includes, on a connection end portion of a thick walled fine steel tube, a spherical seat face, an annular flange, and a circular conic face that continuously extends from the seat face, wherein a washer and a fastening nut are assembled, characterized in that when a thick walled fine steel tube has t (wall thickness)/D (outer diameter)<0.3, an tube axial direction distance L | 06-18-2009 |
20090173317 | ATTACHMENT FOR FUEL INJECTORS IN DIRECT INJECTION FUEL SYSTEMS - A fuel delivery system comprising a fuel rail having an outlet and a receptor cup associated therewith. The system further including a fuel injector having an inlet, an outlet and a body therebetween. The inlet is configured for insertion into the cup of the fuel rail and for fluid communication with the outlet thereof. The system still further including a retention clip configured for engagement with the fuel injector and the cup in order to couple the fuel injector with the fuel rail. In the inventive system, the fuel injector further includes a load distribution feature. This feature is configured to engage a portion of the retention clip and to assist with the distribution about the clip of a load applied to the injector. | 07-09-2009 |
20090188470 | Hold-down device - A hold-down device for elastically fastening multiple fuel injectors, which are held down in a cylinder head of the internal combustion engine via spring elements for directly injecting fuel into the combustion chamber of an internal combustion engine, has a rail-shaped design having recesses for receiving the multiple fuel injectors. | 07-30-2009 |
20090194073 | FUEL DELIVERY DEVICE AND METHODS THEREFOR - A fuel delivery device including a fuel injector adapter and a side-port fuel injector. The fuel injector adapter includes a body portion with first and second connector portions extending therefrom. An injector port is formed in the body portion and configured to receive a side-port injector, wherein the injector port includes a plurality of concentric bores and at least one annular region adapted for receiving a fuel flow associated with the injector. A first passageway is formed in the first connector portion and extends along a first longitudinal axis and intersects the port. A second passageway is formed in the second connector portion and extends along a second longitudinal axis. The second passageway is in fluid communication with the annular region. | 08-06-2009 |
20090217913 | Engine head structure - An injector, a spark plug and a pressure sensor are assembled integrally in a common housing. The common housing is fixed in a mounting hole provided in a cylinder head of an engine so that tip end portions of the injector, the spark plug and the pressure sensor face inside of the cylinder room. For example, a gasket having heat resistance can be provided between a lower end portion of an outer wall of the common housing and an inner wall of the mounting hole for the air-tight sealing. Furthermore, a concave portion may be provided at an outer portion of the common housing so as to form a coolant passage. | 09-03-2009 |
20090235898 | Fuel injector isolator - A compression resistant isolator disposed between a direct fuel injector and a cylinder head of an internal combustion engine provides thermal, or thermal and vibrational isolation therebetween. A plurality of radially spaced rigid axial support members provide axial load support to maintain proper direct fuel injector positioning within the cylinder head bore. Spaces formed between the rigid axial support members may have isolation materials positioned therein. The implementation of the isolator may reduce the operating temperature of a fuel injector for direct injection, which is critical to avoid injector tip plugging. | 09-24-2009 |
20090235899 | Coupling Arrangement - A coupling arrangement has a fuel injector cup with a central longitudinal axis coupled to a fuel rail at a first axial end area and to a ring element at a second axial end area by a circlip. The cup has at least two slots arranged at the second end area and at least two grooves arranged at least partly circumferentially the cup and axially overlapping with the slots. The ring element is arranged at the central longitudinal axis facing the second end area and coupled to a housing. The ring element has at least two protrusions facing the cup having at least two grooves arranged at least partly circumferentially the ring element in a common plane with the grooves. The circlip is arranged at least partly circumferentially the cup at least partly in the grooves and arranged at least partly circumferentially the ring element at least partly in the grooves. | 09-24-2009 |
20090241905 | MOUNT STRUCTURE OF FUEL INJECTION VALVE AND FUEL INJECTION SYSTEM - A combustion chamber side end portion of a fuel injection valve is placed at a location that overlaps with an imaginary plane, which is perpendicular to a center axis of a cylinder and extends along a portion of a wall surface of an intake port where an intake valve protrudes, or is projected out from the imaginary plane toward a combustion chamber. Alternatively, a center of a fuel injecting side end port of the fuel injection valve, which injects fuel into intake air that flows in a branch port branched from the intake port, may be placed on the center axis side of the intake valve in a radial direction of the cylinder. Further alternatively, an upstream side fuel injection valve may inject fuel into intake air that flows in the intake port, and a downstream side fuel injection valve may inject fuel into intake air that flows in the branch port branched from the intake port. Alternatively, an injection quantity of fuel may be controlled for each of fuel injection valves, which injects fuel into intake air that flows in the corresponding branch port branched from the intake port. | 10-01-2009 |
20090241906 | MOUNTING DEVICE FOR AN INJECTOR IN AN EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE - A mounting device for an injector in an exhaust system of an internal combustion engine; the mounting device is provided with a tubular support body, which is made of a thermally conductive material, houses the injector therein, and is adapted to be coupled to a connection tube laterally extending outwards from an exhaust conduit of the exhaust system at a lower end thereof; an upper portion of the support body is thermally coupled to an upper portion of a nose of the injector so that a high thermal exchange occurs by conduction between the upper portion of the nose of the injector and the upper portion of the support body; and a lower portion of the support body is thermally insulated from a lower portion of the nose of the injector so that a reduced thermal exchange occurs by conduction between the upper portion of the nose of the injector and the upper portion of the support body. | 10-01-2009 |
20090241907 | FUEL PRESSURE SENSOR/SENSOR MOUNT ASSEMBLY - A fuel pressure sensor/sensor mount assembly for use in a fuel injection system equipped with fuel injectors which inject fuel, as supplied from an accumulator through fuel pipes, into a multi-cylinder internal combustion engine mounted in an engine compartment of a vehicle. The assembly includes a connector unit and fuel pressure sensors. The connector unit has formed therein a plurality of communication paths each of which is to establish a connection between one of the fuel injectors and the accumulator through one of the fuel pipes. The connector unit also has formed therein sensor mounts exposed to the communication paths. Each of the fuel pressure sensors is disposed in the sensor mount to measure the pressure of the fuel in the communication path. This structure permits steps of installing the fuel pressure sensors within the engine compartment to be decreased and ensures desired measurement accuracy of the fuel pressure sensors. | 10-01-2009 |
20090260597 | FUEL INJECTOR AND FUEL-INJECTION SYSTEM - A fuel injector, especially for the direct injection of fuel into a combustion chamber of an internal combustion engine, includes a nozzle body able to be inserted into a recess of a cylinder head, a valve housing, a plug abutting the valve housing, and at least one fixation element, which fixes the nozzle body in its position in the recess, the fixation element extending from a connection region ( | 10-22-2009 |
20090283072 | SEALING ARRANGEMENT OF A PIEZOACTUATOR FOR A FUEL INJECTION VALVE OF AN INTERNAL COMBUSTION ENGINE - A sealing arrangement of a piezoactuator ( | 11-19-2009 |
20090314258 | COMBUSTION ENGINE INJECTOR HOLDER RETAINING FORK - The invention relates to a retaining fork for holding an element such as an injector holder onto a support such as a cylinder head of a combustion engine. The fork ( | 12-24-2009 |
20100012093 | High-pressure fuel injector to fuel rail connection - A coupling for suspending a fuel injector from a fuel rail assembly of an internal combustion engine includes a collar that mates with the fuel injector and a retainer clip that engages with the collar and with an annular flange of an injector socket thereby mechanically connecting the fuel injector to the fuel rail assembly. The retainer clip includes windows having a convex profile to enable even load distribution upon the socket flange when assembled. Coincident keyed features are integrated in the flange of the injector socket and in the collar to facilitate correct alignment of the injector relative to the fuel rail. Paired together, the retainer clip and the collar enable a secure, and coincident keyed fuel injector-to-fuel rail connection that is able to withstand high pressure separating loads. | 01-21-2010 |
20100018502 | COUPLING ARRANGEMENT FOR AN INJECTION VALVE AND INJECTION VALVE - A coupling arrangement for coupling an injection valve to a cylinder head of a combustion engine has a housing with a central longitudinal axis coupled to a fuel rail at a first axial end area and to a valve body at a second axial end area of the housing, and the valve body being arranged at the central longitudinal axis having at least one first protrusion arranged facing a second axial end area of a first ring element. Furthermore, the the first ring element is arranged at least partly circumferentially the valve body at the first protrusion, wherein at a first axial end area of the first ring element the first ring element is in contact with the housing at the second axial end area and at the second axial end area the first ring element rests on the cylinder head. The first ring element has a plastic. | 01-28-2010 |
20100024775 | Fuel supply apparatus - A fuel supply apparatus having a fuel tank, throttle body, and fuel injection device configured integrally. The fuel injection device is positioned between the fuel tank and throttle body. The fuel injection device is a pressure-type fuel injection device that injects the fuel by pumping the fuel by reciprocative movement of a plunger. The fuel injection device injects the fuel located in the fuel tank into the intake passage of the throttle body on the basis of a signal from an Electronic Control Unit (ECU). | 02-04-2010 |
20100031927 | Top mounting fuel injector clip - A coupling for suspending a fuel injector from a fuel rail assembly of an internal combustion engine includes a collar that mates with the fuel injector and a retainer clip that engages with the collar thereby mechanically connecting the fuel injector to the fuel rail assembly. The retainer clip includes windows to enable even load distribution upon the socket flange when assembled. Features are integrated in the collar to facilitate correct alignment of the injector relative to the fuel rail. Paired together, the retainer clip and the collar enable a secure, and a keyed fuel injector-to-fuel rail connection that is able to withstand high pressure separating loads. | 02-11-2010 |
20100031928 | FLUID INJECTOR ASSEMBLY - A fluid injector assembly has a fluid injector ( | 02-11-2010 |
20100043756 | FIXING ELEMENT FOR AN EXPANSION SLEEVE - The invention relates to a fuel injector which has a retaining body and an injection nozzle nut. An expansion sleeve, which can be supplied with hydraulic fluid, is provided around the periphery of the fuel injector, in particular around the periphery of the retaining body. The expansion sleeve includes at least one pocket-type recess, which can be supplied with hydraulic fluid. | 02-25-2010 |
20100050991 | Fuel Injector - A fuel injector comprising an injector body, a capnut, and a pressure sensor exposed to pressure changes in a combustion chamber in use, wherein the pressure sensor is accommodated within the capnut. Optionally, the fuel injector further comprises a signal cable external to the injector body to connect with the pressure sensor. | 03-04-2010 |
20100071666 | Thermal Protection For Fuel Injectors - A fuel injector is provided. The fuel injector includes an injector support and a heat shield coupled to the injector support. The heat shield only interacts with the injector support by way of contacts such as point contacts, line contacts or surface contacts. Further, the heat shield includes a body portion, a radially extending flared end portion and a radially directed shoulder interposed between the body portion and the flared end portion. The shoulder portion acts as a flexure point that flexes and absorbs thermal expansion of the heat shield. | 03-25-2010 |
20100071667 | Active Thermal Protection For Fuel Injectors - A fuel injector and turbine engine incorporating the fuel injector are provided. The fuel injector includes an active cooling system that insulates fuel flowing through the fuel injector from heat energy within the turbine engine. The cooling system includes a cooling air passage that includes an inlet and an outlet. The inlet and outlet are in fluid communication with the interior of an engine case of the turbine engine. The inlet is at a higher air pressure location than the outlet such that air is siphoned through the cooling air passage. A portion of the cooling air passage includes a heat exchanger for extracting heat energy from the cooling air. The cooling air passes through the fuel injector after it has passed through the heat exchanger. The heat exchanger is positioned external to the engine case and in thermal communication with the ambient. | 03-25-2010 |
20100071668 | COUPLING DEVICE - Coupling device for hydraulically and mechanically coupling a fuel injector to a fuel rail of a combustion engine, the coupling device having a fuel injector cup having a central longitudinal axis and being designed to be hydraulically coupled to the rail and to engage a fuel inlet portion of the injector, a first ring element being fixedly coupled to the cup, a second ring element being fixedly coupled to the injector, and a shell element with a first and second shell part. The first shell part is fixedly coupled to the second shell part. The first and second ring elements are axially arranged between the first and second shell part. The shell element is designed and arranged in a way that the first and second ring element are in engagement with the shell element to retain the injector in the cup in direction of the central longitudinal axis. | 03-25-2010 |
20100089367 | FUEL NOZZLE ASSEMBLY - A fuel nozzle assembly is provided. The assembly includes an outer nozzle body having a first end and a second end and at least one inner nozzle tube having a first end and a second end. One of the nozzle body or nozzle tube includes a fuel plenum and a fuel passage extending therefrom, while the other of the nozzle body or nozzle tube includes a fuel injection hole slidably aligned with the fuel passage to form a fuel flow path therebetween at an interface between the body and the tube. The nozzle body and the nozzle tube are fixed against relative movement at the first ends of the nozzle body and nozzle tube, enabling the fuel flow path to close at the interface due to thermal growth after a flame enters the nozzle tube. | 04-15-2010 |
20100116251 | AREA OF INTERSECTION BETWEEN A HIGH-PRESSURE CHAMBER AND A HIGH-PRESSURE DUCT - The invention relates to an area of intersection between a high-pressure chamber and a high-pressure duct. To increase the strength in the area of intersection, it is possible to round the area of intersection. The area of intersection includes at least one planar area or an area that is curved markedly less than the remaining area of intersection. The planar area may also be embodied as only nearly planar. The high-pressure chamber and the high-pressure duct are also called functional chambers. By means of the planar or nearly planar area, an intersection geometry is created, in which tensile stresses of the functional chambers that occur upon subjection to pressure are not superimposed directly and add up as they do in conventional intersection geometries. By means of the planar area in the area of intersection, it is attained that in the intersection geometry of the invention, under pressure, local pressure stresses or markedly reduced tensile stresses occur in an inner wall of the high-pressure chamber and are then superimposed with the tensile stresses in an inner wall of the high-pressure duct. Since with the intersection geometry of the invention, a tensile stress has only a reduced tensile stress or in the best case a pressure stress superimposed on it, the total is less and hence the maximum stress that occurs is reduced markedly. | 05-13-2010 |
20100170477 | Coupling Device - Coupling device for hydraulically and mechanically coupling a fuel injector to a fuel rail of a combustion engine. The fuel injector has a central longitudinal axis. The coupling device has a fuel injector cup being designed to be hydraulically coupled to the fuel rail and to engage a fuel inlet portion of the fuel injector, a first plate element being fixedly coupled to the fuel injector cup, the first plate element comprising a recess, and a second plate element being fixedly coupled to the fuel injector and being arranged in the recess and being fixedly coupled to the first plate element to retain the fuel injector in the fuel injector cup in direction of the central longitudinal axis. The fuel injector comprises a groove. A snap ring is arranged in the groove of the fuel injector and is designed to fixedly couple the second plate element to the fuel injector. | 07-08-2010 |
20100175667 | FUEL INJECTION SYSTEM FOR INTERNAL COMBUSTION ENGINE WITH INJECTOR ISOLATOR RING - A fuel injection system for internal combustion engine includes an injector mounted within a pocket formed in the cylinder head, and an isolator which defines a radial clearance gap with the injector pocket. The isolator expands radially outwardly into a clearance gap in response to axially directed force imposed upon the isolator by the injector, so that a dual rate force/displacement effect is achieved by the isolator. | 07-15-2010 |
20100175668 | FUEL INJECTION SYSTEM FOR INTERNAL COMBUSTION ENGINE WITH INJECTOR ISOLATOR - A fuel injection system for an internal combustion engine includes a fuel injector pocket, formed within a cylinder head, for housing an injector which sprays fuel into a combustion chamber defined by the cylinder head and a piston crown. The injector is mounted with an isolator which is loaded at a lower, elastic rate during lower power operation, with the elastic load element being stacked solid and subject to higher rate column loading during high power operation of the engine and injection system. The isolator controls unwanted injector ticking noise, while protecting the integrity of the injector's tip seal. | 07-15-2010 |
20100186717 | FUEL INJECTION SYSTEM WITH COMPENSATION ELEMENT - The present invention relates to a fuel injection system for the direct injection of fuel into a combustion chamber of an internal combustion engine. At least one fuel injection valve is arranged on a cylinder head in a receiving bore in order to inject fuel into the combustion chamber. A fuel distribution line is provided for feeding the fuel to the fuel injection valve. A compensation element for a position compensation and/or tolerance compensation, is arranged in the radial direction between the fuel injection valve and the cylinder head and is arranged in the axial direction of the fuel injection valve between a first sealing element, sealing between the fuel injection valve and the cylinder head on a side facing the combustion chamber of the fuel injection valve, and a second sealing element, sealing between the fuel injection valve and the fuel distribution line. Further provided is a support ring, which is arranged between the fuel injection valve and the cylinder head and which provides support for the fuel injection valve in the axial direction on a step of the receiving bore and which has a clearance in the radial direction. | 07-29-2010 |
20100192913 | Injector Mounting System - An injector mount system ( | 08-05-2010 |
20100218743 | FASTENING ELEMENT AND FLUID INJECTOR ASSEMBLY - A Fastening element has a carrier. A first pair of prongs branches off a first side face of the carrier designed to be in a mechanical engagement with a protrusion of a injector cup. A second pair of prongs branches off a second side face of the carrier. The second pair of prongs is designed to retain a fluid injector and to couple mechanically to a first protrusion of the injector. A pair of pins branches off a respective prong from the second pair of prongs at a respective inner side face of the respective prong. The pins are arranged opposed to each other and in a given distance from each other and they are designed to be in a mechanical engagement with the fluid injector. A clamping device being designed to couple mechanically with the fluid injector cup and to exert a repelling force on the fluid injector cup. | 09-02-2010 |
20100242917 | FUEL INJECTOR ASSEMBLY, CYLINDER HEAD SIDE MEMBER, AND FUEL INJECTOR INSTALLATION METHOD - A fuel injector assembly includes a modular fuel injector unit and a cylinder head side member. The modular fuel injector unit includes a first fuel injector with a first seal, a second fuel injector with a second seal and a fuel distribution pipe coupled together as a single installable unit. The cylinder head side member includes a first insertion hole with a first fitting section and a second insertion hole with a second fitting section. The first and second insertion holes and the first and second seals of the first and second fuel injectors are arranged such that as the modular fuel injector unit is being mounted to the cylinder head side member, the first seal undergoes a maximum compressive deformation in the first fitting section at a time that does not coincide with a time that the second seal undergoes a maximum compressive deformation in the second fitting section. | 09-30-2010 |
20100242918 | CONNECTOR - A connector includes a body portion having an inner peripheral surface defining a cylindrical insertion hole for inserting therein a connection member and an O-ring. A recess portion is provided in the inner peripheral surface of the body portion, and is opened in the body portion in a radial direction of the body portion, at a position on an inlet side of the insertion hole than the arrangement position of the O-ring. Furthermore, the recess portion extends in an axial direction of the body portion and has an end portion on a side of an arrangement position of the O-ring, and the end portion of the recess portion becomes in an acute angle shape which is acute toward the arrangement position of the O-ring. Alternatively, an angle reducing portion may be provided in the recess portion on a side of the arrangement position of the O-ring. | 09-30-2010 |
20100251998 | FUEL INJECTION VALVE - A stem is installed to an injector body and is resiliently deformable upon receiving a pressure of high pressure fuel conducted through a high pressure passage of the injector body. A strain gauge is installed to the stem to sense a strain generated in the stem. A molded IC device executes an amplifying operation, which amplifies a signal received from the strain gauge. The stem, the strain gauge and the molded IC device are integrally assembled together to form a fuel pressure sensing unit, which is installed to the injector body by threadably fastening a threaded portion, which is formed at the stem, to the injector body. | 10-07-2010 |
20100251999 | FUEL INJECTION VALVE - A stem is installed to an injector body and is resiliently deformable upon receiving a pressure of high pressure fuel conducted through a high pressure passage of the injector body. A strain gauge is installed to the stem to sense a strain generated in the stem. A molded IC device executes an amplifying operation, which amplifies a signal received from the strain gauge. A retainer is threadably fastened to the injector body and is configured to be rotatable relative to the stem. The stem, the strain gauge the molded IC device are integrally assembled together to form a fuel pressure sensing unit, which is installed to the injector body by threadably fastening a threaded portion of the retainer to the injector body. | 10-07-2010 |
20100252000 | FUEL INJECTION VALVE - A stem is installed to an injector body and is resiliently deformable upon receiving a pressure of high pressure fuel conducted through a high pressure passage of the injector body. A strain gauge is installed to the stem to sense a strain generated in the stem. A molded IC device executes an amplifying operation, which amplifies a signal received from the strain gauge. A housing is installed to the stem and holds the molded IC device. The stem, the strain gauge the molded IC device and the housing are integrally assembled together to form a fuel pressure sensing unit, which is installed to the injector body by threadably fastening a threaded portion, which is formed at the housing, to the injector body. | 10-07-2010 |
20100258085 | COUPLING DEVICE - A coupling device for hydraulically and mechanically coupling an injection valve to a fuel rail of a combustion engine has a fuel injector cup with a central longitudinal axis and can be hydraulically coupled to the fuel rail and engages a fuel inlet tube of the injection valve, a first retaining element is fixedly coupled to the cup, a second retaining element is fixedly coupled to the valve, the second element being coupled to the first element to prevent a movement of the second element relative to the first element in a first direction of the central longitudinal axis to retain the valve in the cup, and a damper element which is arranged axially between the cup and the valve body. The damper element limits a movement of the valve relative to the cup in a second direction of the central longitudinal axis opposing the first direction. | 10-14-2010 |
20100294242 | FUEL INJECTION VALVE AND FUEL INJECTION DEVICE - It is equipped with an injector body | 11-25-2010 |
20100300408 | FUEL INJECTOR, CLAMPING ASSEMBLY AND METHOD OF MOUNTING A FUEL INJECTOR - A fuel injector, a method of mounting a fuel injector, a combination injector and clamping, and a clamp are all provided for ensuring the fuel injector is mounted in a proper rotative position in an injector mounting bore of any one of multiple internal combustion engine platforms requiring different injector mounting positions. The injector includes a first alignment feature having a first geometry corresponding to a first engagement feature of the first engine platform and adapted to be engaged by the first engagement feature to secure the injector to the first engine platform. The fuel injector further includes a second alignment feature having a second geometry different from, and incompatible with, the first geometry and corresponding to a second engagement feature of the second engine platform thereby ensuring the fuel injector is circumferentially oriented in a correct rotative position required by a given engine platform. | 12-02-2010 |
20100300409 | FUEL SYSTEM FOR A DIRECT INJECTION INTERNAL COMBUSTION ENGINE - A fuel system for a direct injection engine having a fuel rail and a plurality of direct injection fuel injector assemblies mounted to the fuel rail. Each fuel injector assembly includes a mounting surface and a dampener made of a resilient material is disposed around this mounting surface. A bracket is secured to the engine and has a recess for each fuel injector assembly. Each fuel injector assembly is positioned in its associated recess so that at least a portion of the dampener is sandwiched between the fuel injector assembly mounting surface and a complementary mounting surface formed on the recess. A holder secures the injector assembly in its associated recess. | 12-02-2010 |
20100313851 | COUPLING DEVICE AND FUEL INJECTION ARRANGEMENT - A coupling device for hydraulically and mechanically coupling an injection valve to a fuel rail of a combustion engine has a fuel injector cup with a central longitudinal axis, is hydraulically coupled to the fuel rail and in engagement with the injection valve. A first retaining element is fixedly coupled to the fuel injector cup, a second retaining element is fixedly coupled to the injection valve, the second retaining element being coupled to the first retaining element to prevent a movement of the second retaining element relative to the first retaining element in a first direction of the central longitudinal axis to retain the injection valve in the fuel injector cup, and an interface element which is operable to axially couple the injection valve with the second retaining element in a fixed way. Fuel injection arrangement with a coupling device and an injection valve which is coupled to the coupling device. | 12-16-2010 |
20110000464 | INJECTOR MOUNTING ASSEMBLY - An injector mounting arrangement includes a tolerance ring assembly that provides damping or absorption capabilities in addition to alignment and centering functionality. The tolerance ring assembly is designed to absorb axial excitation energy from the injector by converting it into strain energy through the radial deformation of the tolerance ring. The strain energy is absorbed in the form of bending stress within the tolerance ring more effectively than by simply absorbing the axial forces in compression alone. As a result, vibration and noise is reduced and/or isolated. | 01-06-2011 |
20110017175 | COUPLING DEVICE - The coupling device has a fuel injector cup, a first and second flange, a shell and fixing element. The fuel injector cup has a central longitudinal axis and can be hydraulically coupled to the fuel rail and engages a fuel inlet portion. The first flange is fixedly coupled to the cup and the second flange to the injector. The shell has first and second projections between which the flanges are axially arranged, and the flanges are in mechanical cooperation with the shell element to retain the injector in the cup in central longitudinal axis direction. The fixing element is arranged on a circumferential outer surface of the shell and prevents a radial movement of it relative to the flanges. The fixing element has a radially spring-loaded element which engages with a recess in the shell element to prevent an axial movement of the fixing element relative to the shell. | 01-27-2011 |
20110030656 | Fuel Injector to Fuel Rail Coupling - A threaded fastener having a conical seat is provided to mechanically couple a fuel injector assembly to a fuel rail assembly. By mating the conical seat with a spherical collar integral with the fuel injector assembly, an injector coupling is provided that mechanically supports loads from relatively high fuel pressure and combustion pressure while allowing the injector assembly to pivot relative to the fuel rail assembly. A biasing member is provided to pre-load the spherical collar against the mating conical seat. | 02-10-2011 |
20110067675 | FUEL INJECTION ASSEMBLY WITH OPTIMIZED HEAT COUPLING BETWEEN FUEL INJECTION DEVICE AND CYLINDER HEAD - A fuel injection assembly of an internal combustion engine, has an fuel injector for injecting fuel into a combustion chamber of the engine. The fuel injector is built into a cylinder head of the engine and there is an annular gap provided between the fuel injector and the cylinder head, or its attached hood. According to the invention, the gap is filled at least partially, preferably entirely, with a heat-conducting liquid whose thermal conductivity is higher than that of air, or with an elastically deformable, heat-conducting component whose thermal conductivity is higher than that of air. | 03-24-2011 |
20110073076 | FUEL INJECTOR CLAMP - A fuel injector clamp and method of clamping a fuel injector includes clamp members each including a central body with a concaved section and two horizontally offset passageways. Clamp members are oppositely oriented such that the concaved section forms a region adapted to engage a fuel injector. Offset passageways are aligned such that a top passageway of one member is aligned with a bottom passageway of the opposing member. A fastening mechanism is passed through a first pair of aligned passageways to form a hinge, allowing clamp members to pivot about the hinge so a fuel injector can be disposed between the concaved sections. Members are then pivoted towards each other to close the clamp assembly; a second fastening mechanism is passed through a second pair of aligned offset passageways to lock the injector into place. | 03-31-2011 |
20110094478 | Fuel injector - A receiving borehole of a cylinder head for the mounting of a fuel injector in the cylinder head has a first shoulder area. The counterpart to the first shoulder area of the receiving borehole is a downstream second shoulder area of the valve housing, which is formed so as to result in a form-fitting contact between the shoulder area of the receiving borehole in the cylinder head and the downstream shoulder area of the valve housing. The shoulder areas define a bearing surface, which constitutes a quadric surface in three-dimensional space. | 04-28-2011 |
20110120419 | Universal Fuel Injector System Having Specific Harness Adaptors - A fuel injector system comprising a universal fuel injector assembly having a universal electrical receptacle, and a family of specific adaptors for connecting the universal fuel injector assembly to a corresponding family of specific engine harnesses and/or design layouts. The universal fuel injector assembly has an injector tip and fuel rail tip compatible with the engine and fuel rail sockets of a plurality of engines. Each adaptor comprises a fuel-injector plug at a first end for mating with the electrical socket and a harness-specific plug or socket at a second end for mating with a specific harness socket or plug. | 05-26-2011 |
20110132329 | FUEL INJECTION VALVE FOR ARRANGEMENT IN A COMBUSTION CHAMBER OF AN INTERNAL COMBUSTION ENGINE - A fuel injection valve for arrangement in a combustion chamber ( | 06-09-2011 |
20110174273 | Air-Intake Duct for Vehicle and Vehicle - An air-intake duct for a vehicle, which couples a throttle device for controlling an air-intake amount of an engine to an air cleaner for cleaning air guided to the throttle device, includes a tubular wall forming an inlet through which air from the air cleaner flows into the air-intake duct; an outlet through which the air flows out to the throttle device; and an air-intake passage connecting the inlet to the outlet; wherein the tubular wall includes an injector attaching portion to which an injector for injecting fuel to the air-intake passage is attached, and the injector attaching portion has a fuel injection opening section communicating with the air-intake passage. | 07-21-2011 |
20110186016 | HOLD-DOWN DEVICE FOR A FUEL INJECTION DEVICE - The hold-down device for a fuel injection device has a design which is simple in particular, which nonetheless enables a fuel injector ( | 08-04-2011 |
20110232608 | MOUNTING STRUCTURE FOR FUEL INJECTOR - A fuel injector mounting structure may employ a flat bottom, a first (e.g. exterior) vertical wall that meets flat bottom, a second (e.g. interior) vertical wall that meets flat bottom, and a top wall. The top wall may define a flat surface transitioning into a curved surface. The top wall, flat bottom, first vertical wall and second vertical wall may be in the shape of a circular ring with a center hole through the center of the ring. An engine cylinder head may contact the bottom wall and a fuel injector may contact the curved surface of the top wall. Fuel injector and flat surface of top wall may define an air gap between them to inhibit vibration transmission from the fuel injector into the cylinder head. A powder metal material or an elastomer may occupy a cavity within the circular ring. | 09-29-2011 |
20110232609 | INTEGRATED FUEL INJECTOR ORIENTATION AND RETENTION DEVICE - Attaching a fuel injector to a common rail may utilize a fuel injector and an integral tab that has a solid head portion from which a first flexible prong and a second flexible prong protrude and define a gap therebetween. A fuel injector cup may define a notch through which the first prong and the second prong reside to secure the fuel injector to the fuel injector cup, which is attached to the rail. A first prong interior straight wall surface and a second prong interior straight wall surface may face the gap and be parallel. The prongs may define entry contact surfaces and exit contact surfaces that meet at prescribed angles to aid in insertion and hinder retraction of the injector tab from the injector cup. The tab defines a solid head portion below the gap that resides in the notch. | 09-29-2011 |
20110247590 | INJECTORS UTILIZING LATTICE SUPPORT STRUCTURE - A fuel injector for a gas turbine engine includes an inlet having a fuel inlet fitting for receiving fuel. A feed arm is mounted to the inlet and has an internal conduit in fluid communication with the inlet for conveying fuel from the inlet fitting through the feed arm. A nozzle body is operatively connected to the feed arm for injecting fuel from the internal conduit into a combustor of a gas turbine engine. At least one of the inlet, feed arm, and nozzle body includes a lattice support structure. | 10-13-2011 |
20110247591 | DUAL-PHASE SPRING ASSEMBLY FOR USE WITH FUEL INJECTOR SYSTEM - A dual-phase spring assembly configured for use with a fuel injector system includes a metal main body and a rubber ring. The main body includes a base integrally connected to a circumferential wall having a radially-canted lip. The base defines a central opening. The radially-canted lip angles away from a center of the main body. The rubber ring secures over the base and to an internal surface of the circumferential wall. The rubber ring covers a ledge of the base, while the radially-canted lip is exposed. The rubber ring is configured to directly abut at least a first portion of the fuel injector system, and the radially-canted lip is configured to directly abut a second portion of the fuel injector system. | 10-13-2011 |
20110265767 | ISOLATER FOR FUEL INJECTOR - A fuel injector-engine component assembly includes an engine component with a stepped bore defined along an axis and having a stepped bore stop surface facing axially upward. A fuel injector extending along the axis is disposed in the stepped bore and includes a fuel injector stop surface facing axially downward and axially opposing the stepped bore stop surface. An isolation ring is disposed between the engine component and fuel injector stop surfaces for axially isolating the fuel injector from the engine component. The isolation ring includes a rigid support member for limiting the axial motion of the engine component and fuel injector stop surfaces together. The isolation ring also includes a resilient and compliant isolation member located axially between the engine component and fuel injector stop surfaces to provide acoustic and thermal isolation between the fuel injector and the engine component below a predetermined pressure of the fuel injector. | 11-03-2011 |
20110271934 | Injector To Fuel Rail Coupling Structure For High Pressure Direct Injection Engines - Coupling structure ( | 11-10-2011 |
20110271935 | HIGH-PRESSURE INJECTOR - The present invention shows a high-pressure injector having the following assemblies: an injector unit ( | 11-10-2011 |
20120006300 | FUEL INJECTION VALVE - A fuel injection valve is provided which includes a valve seat member ( | 01-12-2012 |
20120037123 | FUEL SUPPLY SYSTEM - A fuel supply system for an internal combustion engine has an air filter for cleaning intake air comprising a housing and a filter element, an intake unit for supplying the cleaned intake air to combustion chambers of the internal combustion engine and a fuel injection unit comprising a container for pressurized fuel, in particular a fuel distribution rail, and a plurality of injectors connected with the container. The fuel injection unit is integrated in the air filter. | 02-16-2012 |
20120037124 | ENGINE WITH INJECTOR MOUNTING AND COOLING ARRANGEMENT - An internal combustion engine is provided including an injector having an injector body including a nozzle assembly having an annular outer surface. A cylinder head includes an injector mounting bore to receive the injector, and a lower sealing portion. The engine also includes an engine coolant passage formed in the cylinder head to receive engine coolant to remove heat from the cylinder head. The engine coolant passage opens into, and is fluidly connected to, the mounting bore to cause coolant in the coolant passage to contact the annular outer surface of the nozzle assembly. A lower seal is positioned between the lower sealing portion and the nozzle assembly to form a fluid seal. | 02-16-2012 |
20120060797 | Fuel injector clamp - A method of forming a fuel injector clamp utilizing powder metal techniques is provided. A powder metal charge comprising in percent by weight, 0.6-0.9 carbon, 1.5-3.9 copper, 93.2-97.9 iron with the balance other elements, is die compacted to a density of 7.0-7.1 grams per cubic centimeter pre-sintered at 1500-1600 degrees Fahrenheit to form a powder metal blank. The powder metal blank is then lubricated and re-compacted to at least 7.3 grams per cubic centimeter and sintered at 2050 degrees Fahrenheit to form a final powder metal blank. The fuel injector clamp itself is comprised of a unitary structure of powder metal having a generally cylindrical center portion, with a first wing portion extending laterally there from and a second wing portion extending laterally there from at a 180 degree angle from the first wing portion. | 03-15-2012 |
20120060798 | FUEL INJECTION VALVE MOUNTING STRUCTURE - A covering body ( | 03-15-2012 |
20120085322 | Internal Combustion Engine as well as Retrofitting/Conversion Kit for such an Internal Combustion Engine - An internal combustion engine with combustion chambers into which liquid and gaseous fuel is introduced together with intake air is operated, at least predominantly, with only one type of fuel in a range in which a harmful HC excess is produced by internal combustion. A retrofitting/conversion kit for such an internal combustion engine has at least one securing plate for at least one injection nozzle for gaseous fuel, wherein a supply conduit for the gaseous fuel is connectable to the at least one injection nozzle, wherein the at least one securing plate is an intermediate flange to be connected between a cylinder head of the internal combustion engine and an intake manifold of the internal combustion engine. | 04-12-2012 |
20120090577 | FUEL INJECTION DEVICE - The invention relates to a fuel injection device for injecting fuel into a combustion chamber of an internal combustion engine, comprising an end ( | 04-19-2012 |
20120125293 | INJECTOR HOLE STRUCTURE FOR ENGINE - An injector hole structure for an engine, may include an inlet portion and an outlet portion, a wall narrowing from the inlet portion to the outlet portion, and a tumble generating protrusion protruding from an inner surface of the wall toward a center axis of the wall and having a concentric circular shape with the inlet portion or the outlet portion or a tumble generating groove depressed on an inner surface of the wall away from a center axis of the wall and having a concentric circular shape with the inlet portion or the outlet portion. | 05-24-2012 |
20120125294 | FUEL INJECTOR CONNECTOR DEVICE AND METHOD - A connector device and method of converting an engine to operate using an alternative fuel is disclosed. In one embodiment, the connector device comprises an outlet portion, a first injector portion, and a second injector portion. The outlet portion is configured to mate with a fuel injector opening of the engine. The outlet portion comprises an outlet channel in fluid communication with a combustion chamber of the engine when the connector device is installed in the fuel injector opening. The first injector portion is configured to receive a first fuel injector and comprises a first injector opening and a first injector channel. The second injector portion is configured to receive a second fuel injector and comprises a second injector opening and a second injector channel. The second injector channel is curved to provide a laminar flow of fuel through the second injector channel. | 05-24-2012 |
20120204838 | MOUNTING SYSTEM FOR A RESONATING NEEDLE INJECTION DEVICE - A device for injecting fuel over a cylinder head of an engine, including a tubular body, an injection nozzle forming an extension of the tubular body, a needle extending coaxially to the nozzle in a form of a rod, an end of which includes a head forming a valve on a seat supported by the injection nozzle, and an actuator configured to cause a movement of the head so as to open the valve, the needle configured to axially resonate when the same is subjected to axial pulses at a predetermined nominal frequency by the actuator. A system for mounting the device includes a spacer for bearing on the cylinder head, as well as on a front surface of the tubular body at the connection to the nozzle. | 08-16-2012 |
20120210982 | Retrofit Injector Mount - An injector mount clamp for coupling an injector of an exhaust gas treatment system to an exhaust conduit of an engine while the conduit is in an installed position includes a resilient monolithic clamp body having an aperture extending therethrough and being shaped as a split collar having a first end spaced apart from a second end a distance allowing the clamp body to be transversely moved relative to an exhaust flow direction to a position circumferentially surrounding the exhaust conduit. An injector mounting boss is disposed on the clamp body and defines a passage that fluidly communicates with the aperture of the clamp body. The mounting boss has a mounting face configured to oppose the injector. | 08-23-2012 |
20120216780 | Backwards Injected Engine - Fuel is injected into and through the exhaust port and into the cylinder of the piston engine during the time when the flow is reversed from the normally expected flow. The engine is able to operate with some or all of its fuel injected backwards of conventional expectations. In another embodiment the fuel is injected with solid stream injector sprays directed against exhaust valves and ports and deflected into the piston cylinder against the flow of normally aspirated or supercharged engines. This invention can apply to gasoline or diesel cycles and four and two stroke type cycles of engine. | 08-30-2012 |
20120216781 | METHOD FOR INSTALLING A SEALING RING - A method for installing a sealing ring in a ring groove of an injector, in particular a fuel injector, in which the diameter of the sealing ring is enlarged with the aid of an enlarging tool and is inserted into the ring groove, and the enlarged sealing ring accommodated in the ring groove is reshaped to a predefined sealing dimension with the aid of a calibration tool. For the purpose of shifting a residual ring gap remaining in the ring groove during the reshaping process to the groove flank of the ring groove facing away from the combustion chamber, the reshaping process of the sealing ring is carried out by removing the calibration tool from the fuel injector. | 08-30-2012 |
20120247426 | CRADLED FUEL INJECTOR MOUNT ASSEMBLY - A fuel injector cradle mount assembly for a vehicle includes a fuel injector rail, a connective inlet assembly coupled to the fuel injector rail, a cradle coupled to the connective inlet assembly, and a fuel injector. The fuel injector includes a torso and a nozzle. The torso includes a base portion on a first end, and defines an inlet on a second end opposite the first end. The fuel injector is arranged between the connective inlet assembly and the cradle. The inlet of the fuel injector is coupled to the connective assembly, the base portion of the fuel injector rests on the cradle, and the cradle supports the fuel injector from the connective inlet assembly and the fuel injector rail. | 10-04-2012 |
20120298076 | FUNCTIONAL MODULE THAT INTEGRATES A DISTRIBUTOR AND A FUEL RAIL AND PROCESS FOR ITS PRODUCTION - A functional module integrates a distributor with a plenum and several pipes that form a common attachment and connection plate, a fuel rail, and a holding part for ensuring the locking in position of the fuel rail. The functional module ( | 11-29-2012 |
20130000605 | MOUNT STRUCTURE OF FUEL INJECTION VALVE AND FUEL INJECTION SYSTEM - A fuel injection system, and a structure for mounting a fuel injection valve to an internal combustion engine, that includes: a combustion chamber formed at an end surface of a piston that reciprocates in a cylinder; an intake port through which intake air drawn into the combustion chamber flows; and an intake valve that opens and closes a connection between the intake port and the combustion chamber, the fuel injection valve being placed to inject fuel into intake air in the intake port, wherein an end portion of the fuel injection valve located on a combustion chamber side thereof is placed at a location that overlaps with an imaginary plane perpendicular to a center axis of the cylinder and extends along a portion of a wall surface of the intake port where the intake valve protrudes, or is projected out from the imaginary plane toward the combustion chamber. | 01-03-2013 |
20130008411 | COUPLING DEVICE - A coupling device for coupling a fuel rail to a cylinder head of a combustion engine may include: a fuel injector cup coupled to the fuel rail and facing the cylinder head, a first fastening element facing the fuel injector cup and fixedly coupled to the cylinder head, at least one first spring element arranged between the first fastening element and the fuel injector cup and/or between the fuel injector cup and the cylinder head, a support element arranged between the fuel rail and the cylinder head and fixedly coupled to the fuel rail, a second fastening element engaged with the support element and fixedly coupled to the cylinder head, and at least one second spring element arranged between the second fastening element and the support element and/or between the support element and the cylinder head. The first spring element(s) may comprise metal, and the second spring element(s) may comprise plastic. | 01-10-2013 |
20130042836 | FUEL INJECTOR ADAPTER DEVICE AND METHOD - The present application discloses an engine configured to selectively operate using a first fuel and a second fuel and adapter devices and methods for converting an engine to operate using a second fuel. In certain embodiments, the adapter device comprises a body member configured to be installed between an upper intake manifold and a lower intake manifold of an engine. A plurality of intake channels and fuel injector ports are formed in the body member. The body member is configured such that the intake channels are substantially aligned with the corresponding intake openings of the upper and lower intake manifolds when the body member is installed between the upper and lower intake manifolds. Each fuel injector port extends from a sidewall of the body member to at least one intake channel and is configured to receive a fuel injector for emitting a second fuel into the intake channel. | 02-21-2013 |
20130068199 | HIGH PRESSURE SOLENOID - A solenoid that includes a housing having an outer surface and an inner surface, the inner surface defining a bore through the housing and the outer surface including a flange extending therefrom. A gland nut having a threaded outer surface and an inner surface surrounds the outer surface of the housing, is rotatable relative to the housing, and abuts the flange. | 03-21-2013 |
20130081598 | FUEL INJECTION SYSTEM AND STRATEGIES OF CONTROL FOR FUEL FEEDING ON INTERNAL COMBUSTION ENGINES - New strategies for control and feeding of air/fuel homogenous mix for internal combustion engines, mainly for fuel injection engines. This new strategies are to get an air/fuel mixture homogeneous and of adequate volume. Fuel in contact with air for a sufficient length of time required for better physical combination prior to the time of ignition at the spark plug and of a volume such that the combustion flame can reach the entire mixture admitted. Strategies to prevent the problem known as “wet wall”. This consisting of a new intake manifold, new fuel injectors, injector nozzles and new algorithms and strategies in the control software program of the ECU or MCU controlling the internal combustion engines. | 04-04-2013 |
20130104854 | FUEL INJECTOR CUP ROTATION LIMITING STRUCTURE FOR AN ISOLATED FUEL RAIL SYSTEM | 05-02-2013 |
20130146029 | INDEPENDENT FUEL INJECTION SYSTEM OF CNG ENGINE - An independent fuel injection system of a compressed natural gas (CNG) engine, may include a cylinder head having an intake port of an engine using CNG as fuel; an intake manifold communicating with the cylinder head so as to supply external air to the cylinder head; and an injection module installed at a predetermined portion of the intake manifold adjacent to the cylinder head and injecting the CNG fuel toward the intake port. | 06-13-2013 |
20130146030 | INTERNAL COMBUSTION ENGINE WITH INJECTION VALVE - An internal combustion engine for a motor vehicle includes at least one cylinder, an injection valve associated to the cylinder for direct injection of fuel into a combustion chamber of the cylinder. The injection valve is received in a receiving opening of a cylinder head of the internal combustion engine and held by a support element in the receiving opening. The support element is secured in its rotational position by a formfitting engagement of a first formfit element on the injection valve, and by a formfitting engagement of a second formfit element on the cylinder head. A support element of this type ensures a particularly satisfactory securement of the rotational position of the injection valve. In the event of structural changes to the cylinder head or at the injection valve, it is only necessary to adapt the support element so that such modifications can be realized particularly inexpensively. | 06-13-2013 |
20130167806 | PISTON AND COMBUSTION CHAMBER - A piston and an engine are provided that includes various precise configuration parameters, including dimensions, shape and/or relative positioning of the combustion chamber features, resulting in a combustion process that yields improved mixing of fuel and intake air and increased uniformity of load on the engine pistons. The piston provides a piston bowl with a concave curvilinear portion that may be semi-spherical and extends inwardly to a depth; an angled surface extends inwardly from the crown surface to intersect the concave curvilinear portion at an edge at a depth; and a curved surface that extends inwardly from the crown surface to intersect the concave curvilinear portion at a tangent at a depth. The angled surface may be part of a frusto-conical surface that may extend from both sides of the angled surface to an area proximate the curved surface. | 07-04-2013 |
20130167807 | VIBRATION DAMPING INSULATOR FOR FUEL INJECTION VALVE - A fuel injection valve is mounted in a cylinder head by being inserted in an insertion hole provided in the cylinder head. A shoulder section is provided at the inlet portion of the insertion hole to be expanded in an annular shape. The fuel injection valve is provided with a stepped section expanded in diameter in a tapered manner to have a tapered surface facing the shoulder section. A vibration insulator is disposed between the stepped section and the shoulder section. The vibration insulator is provided with a circular annular tolerance ring making contact with the tapered surface of the fuel injection valve. A circular annular sleeve section coaxial with the tolerance ring is integrally formed on the tolerance ring to extend from the surface of a portion of the tolerance ring, the portion not facing the tapered surface of the fuel injection valve. | 07-04-2013 |
20130174810 | FUEL INJECTOR BRACKET ASSEMBLY - A bracket assembly is configured to secure a fuel injector to a mounting frame within a vehicle. The bracket assembly includes a single unitary main body formed from a single piece of stamped material. The main body includes a nozzle-engaging member configured to securely retain a nozzle of the fuel injector, and a fastener-engaging member configured to retain a fastener that secures the single unitary main body to the mounting frame. | 07-11-2013 |
20130186372 | ASSEMBLY METHOD AND MACHINE OF DIRECT INJECTOR UNIT - A direct injector unit includes a fuel pipe and injectors fixed to the fuel pipe. The direct injector unit is assembled to a cylinder head by: mounting the cylinder head in a predetermined posture; holding the direct injector unit while positioning a reference injector and guiding remaining injectors such that their leading end portions are movable; and inserting the injectors into injector mounting holes of the cylinder head by relatively moving the direct injector unit toward the cylinder head in a state in which the reference injector is positioned with respect to a corresponding injector mounting hole. | 07-25-2013 |
20130192565 | MOUNTING POINT INJECTOR CLIP - A fuel injector mounting assembly including a mounting clip. The mounting clip includes a frame, a first leg, a second leg, a first arm, and a second arm. The frame includes a first side, a second side, and a generally planar surface extending between the first side and the second side. The first arm extends from the first side of the frame. The first arm includes a fuel cup support portion aligned with the first leg and extending in generally the same direction as the first leg, a raised surface of the fuel cup support portion configured to cooperate with the fuel cup, and a flange at an end of the fuel cup support portion, the flange extending away from the first leg. The second arm extends from the second side of the frame and is at least substantially similar to the first arm. | 08-01-2013 |
20130220276 | FUEL INJECTION VALVE SUPPORTING STRUCTURE - In a fuel injection valve supporting structure, a first contact surface being orthogonal to a center axis of a fuel injection valve and opposed to a fuel supply cap and paired second contact surfaces opposed to each other with a plane, including the center axis and a center line of a coupler, in between are formed in an intermediate portion of the fuel injection valve, and a supporting member includes: a base plate set on the first contact surface; an elastic piece extending from the base plate to elastically come into pressure contact with the fuel supply cap and bias the fuel injection valve toward an injection valve attachment hole by its reaction force; and paired turn stopper pieces each extending from the base plate to abut against the second contact surface and restrict a turn of the fuel injection valve about the center axis. | 08-29-2013 |
20130220277 | FUEL INJECTION VALVE SUPPORTING STRUCTURE - In a fuel injection valve supporting structure, a contact surface being orthogonal to a center axis of a fuel injection valve and opposed to a fuel supply cap is formed in an intermediate portion of the fuel injection valve, a supporting member includes a base plate set on the contact surface and an elastic piece extending from the base plate, the elastic piece includes: a first elastic portion extending from the one end of the base plate and bent upwards in a U-shape; and a second elastic portion extending from the first elastic portion toward the other end while bending upwards, bringing its apex into pressure contact with the fuel supply cap, and making a tip end portion thereof slidably come into contact with the base plate, and a curvature radius of the second elastic portion is set larger than a curvature radius of the first elastic portion. | 08-29-2013 |
20130228155 | CYLINDER HEAD FOR INTERNAL COMBUSTION ENGINE - A cylinder head arrangement for an internal combustion engine, having
| 09-05-2013 |
20130233279 | FUEL INJECTION ASSEMBLY - A fuel injection assembly comprising a fuel injector ( | 09-12-2013 |
20130233280 | FASTENING ARRANGEMENT OF A FUEL SUPPLY DEVICE ON AN INTERNAL COMBUSTION ENGINE - A fastening arrangement for a fuel supply device on an internal combustion engine includes a fuel distribution element which runs along a longitudinal direction and has at least two connection openings for connecting a fuel injection device. The arrangement is fastened to the internal combustion engine by a connecting element connected to the fuel distributing element via a receiving element having a seat which completely surrounds at least an outer circumferential region of the fuel distributing element. A location of the fuel distributing element lies on a straight line connecting the two connection openings in an elongation of the connecting element in an extension direction thereof. The extension direction and a surface normal of the supporting surface enclose with one another an angle different from zero degrees. | 09-12-2013 |
20130284152 | SYSTEM HAVING A FUEL DISTRIBUTOR AND A MOUNTING SUPPORT - A system, which may be embodied particularly as a fuel injection system for high pressure injection in internal combustion engines, includes a fuel distributor and a mounting support, which is used for fastening the fuel distributor to an externally-mounted structure, particularly a cylinder head, of an internal combustion engine. In this case, a damping composite element is provided, which is connected to the mounting support and/or the fuel distributor. The damping composite element includes at least one metal layer, which is formed at least essentially of a metallic material, and at least one elastically deformable damping layer. | 10-31-2013 |
20130284153 | BEVELED DAMPENING ELEMENT FOR A FUEL INJECTOR - A direct fuel injection cylinder for an engine of a vehicle includes a direct fuel injector disposed in an injector bore within a cylinder head. A beveled conical wave washer is disposed between a shelf in the injector bore and a shoulder of the direct fuel injector. During operation of the vehicle, the beveled conical wave washer is elastically deformed by radial displacement caused by absorption of high frequency energy from the direct fuel injector. Elastic deformation of the beveled conical wave washer may reduce noise which may be caused by impact of the direct fuel injector and the cylinder head. | 10-31-2013 |
20130291837 | SQUEEZE CLIP GROUND STRAP - Vehicles and engines are provided. The engine, for example, may include a first engine component configured to be ohmically coupled to a common ground, a second engine component configured to be coupled to the first engine component, the second engine component comprising an insulative materially ohmically isolating the second engine component from the first engine component, the second engine component including an inclusion having a predetermined depth along a surface of the second engine component configured to be coupled to the first engine component, a third engine component configured to be coupled to the second engine component, and a spring clip configured to be ohmically coupled to the third engine component, wherein the spring clip is further configured to be disposed within the inclusion of the second engine component and to have a deflectable surface having an undeflected depth greater than the predetermined depth of the inclusion. | 11-07-2013 |
20140041636 | Coupling Device - A coupling device is provided for hydraulically and mechanically coupling a fuel injector to a fuel rail of a combustion engine, the coupling device including a fuel injector cup configured to be coupled to the fuel rail and to engage a fuel inlet portion of the fuel injector, the fuel injector cup including a first part including a recess and a second part configured to be received in the recess of the first part and configured to engage the fuel inlet portion of the fuel injector. | 02-13-2014 |
20140048044 | FUEL INJECTION VALVE DAMPING INSULATOR - A fuel injection valve damping insulator damps vibration produced in a fuel injection valve ( | 02-20-2014 |
20140076284 | METHOD FOR ADJUSTING STROKE OF FUEL INJECTION VALVE, AND FUEL INJECTION VALVE - An objection of the present invention is to provide a fuel injection valve with a reduced variation in an injection amount and, in order to achieve this object, a method for adjusting stroke, the method being able to correct change in an amount of stroke caused by welding. In the method for adjusting the amount of stroke of a movable member of a fuel injection valve including a nozzle member having a seat face, a nozzle holder member to which the nozzle member is joined by welding, and the movable member having a valve seat portion for coming in contact with the seat face, the amount of stroke of the movable member is adjusted by plastically deforming a deformable portion provided to the nozzle holder member after joining the nozzle member and the nozzle holder member by welding. | 03-20-2014 |
20140116391 | FUEL SYSTEM HAVING AN INJECTOR BLOCKING MEMBER - A fuel system for an engine is disclosed. The fuel system may include a gaseous fuel injector configured to inject gaseous fuel into a cylinder of the engine. The gaseous fuel injector may include an end fluidly connected to an air intake port and a tip creating an axial flow path for the gaseous fuel directed toward a center of the cylinder. The fuel system may also include a blocking member located in the axial flow path at a distal end of the tip. The blocking member may include at least one aperture to allow the gaseous fuel to pass through the blocking member on the axial flow path. | 05-01-2014 |
20140116392 | FUEL SYSTEM FOR A DUAL-FUEL ENGINE - A fuel system for an engine having a cylinder liner is disclosed. The fuel system may have a gaseous fuel injector having a nozzle located at an air intake port of the cylinder liner. The gaseous fuel injector may be configured to inject gaseous fuel radially into the cylinder liner at an oblique vertical angle with respect to a plane perpendicular to an axis of the cylinder liner. The fuel system may also have a liquid fuel injector configured to inject liquid fuel axially into the cylinder liner. | 05-01-2014 |
20140116393 | FUEL SYSTEM HAVING A COOLED INJECTOR - A fuel system for an engine is disclosed. The fuel system may have a gaseous fuel injector configured to inject gaseous fuel radially into a cylinder of the engine. The fuel system may also have a primary cooling line configured to circulate coolant through the engine. The fuel system may also have an auxiliary cooling line fluidly connecting the primary cooling line with the gaseous fuel injector. | 05-01-2014 |
20140123952 | SUPPORT STRUCTURE FOR FUEL INJECTION VALVE - In a fuel injection valve support structure which can apply a substantially constant set load, the fuel injection valve has first and second load receiving portions, the first load receiving portion being supported on the engine, the second load receiving portion being supported on an elastic support member which receives a set load from a fuel supply cap. The elastic support member includes a base plate placed on the second load receiving portion, and an elastic piece curving rearward from one end toward the other end of the base plate, with an apex portion in pressure contact with the cap, the base plate has a portion overhanging from the second load receiving portion and supporting a tip end portion of the elastic piece. The overhang portion starts bending when a load the overhang portion receives from the cap through the elastic piece reaches or exceeds a predetermined value. | 05-08-2014 |
20140137841 | FUEL INJECTOR - A fuel injector includes a body having a fuel injection port, and a seal ring on the body. The body has a diameter-shrink portion of which an outer diameter is shrunk. The seal ring is engaged with the diameter-shrink portion. The diameter-shrink portion has a radially concaved annular groove with which a tip end portion of the seal ring is engaged. It is restricted that the seal ring is rubbed against an inner surface of the assembling hole and the seal ring is damaged. | 05-22-2014 |
20140182554 | INJECTION SYSTEM FOR COLD START IMPROVEMENT OF FLEXIBLE-FUEL VEHICLE AND METHOD OF CONTROLLING THE SAME - An injection system for cold start improvement of a flexible-fuel vehicle (FFV), may include a first injector installed in an intake port, and a second injector installed in the intake port in which the first injector may be installed and having a built-in heater, wherein the first injector and the second injector may be positioned upstream of intake valves. | 07-03-2014 |
20140182555 | ENGINE WITH DUAL INJECTOR - An engine includes two injectors that inject fuel in an intake port connected with one combustion chamber and allows overcoming the technical limits of the related art and achieving more appropriate fuel injection in accordance with the operation sections of an engine, thereby improving fuel efficiency and output of the engine with more efficient operation. | 07-03-2014 |
20140182556 | INTAKE SYSTEM FOR A VEHICLE, AND ENGINE INCLUDING SAME - An intake system for a vehicle includes an air cleaner assembly in a compact size. Intake passages introduce intake air to front and rear cylinder blocks of a multicylinder engine, and an air cleaner assembly is connected to upstream ends of the intake passages. A space inside an air cleaner case of the air cleaner assembly is partitioned into upper and lower sides by a partition wall, forming a clean chamber above the partition wall and a dirty chamber below. The intake passages are arranged to pass through the dirty chamber in an up-down direction, and inlets of the intake passages are arranged in the clean chamber. A through hole is formed in the partition wall between the intake passages for the front and rear cylinder blocks. An air cleaner element, configured to clean incoming intake air, is arranged to occlude the through hole. | 07-03-2014 |
20140202432 | FUEL INJECTION SYSTEM HAVING A FUEL-CARRYING COMPONENT, A FUEL INJECTOR AND A CONNECTING DEVICE - A connecting device for fuel injection systems is used for connecting a fuel injection valve to a fuel-carrying component. A wire-shaped connecting element is provided in this context, which is fastened, on the one hand, to the fuel-carrying component and, on the other hand, to the fuel injection valve. The wire-shaped connecting element is embodied closed in an annular manner, and, on the one hand, is guided about a shoulder of the fuel-carrying component and, on the other hand, about a shoulder of the fuel injection valve. A fuel injection system having such a connecting device is also provided. | 07-24-2014 |
20140261332 | INTEGRATED SEALING AND POSITIONING STRUCTURE FOR FUEL RAIL - A mounting assembly for mounting a fuel injector to a fuel rail. The mounting assembly includes a mounting boss and a fuel cup. The mounting boss is configured to be mounted to the fuel rail and receive a bolt within the mounting boss to couple the fuel rail to a cylinder head. The fuel cup is coupled to the mounting boss and configured to receive the fuel injector therein, as well as be mounted to the fuel rail to direct fuel from the fuel rail to the fuel injector. | 09-18-2014 |
20140305411 | FASTENING STRUCTURE OF FUEL DELIVERY PIPE AND CYLINDER HEAD OF INTERNAL COMBUSTION ENGINE - A fastening structure of a fuel delivery pipe and a cylinder head of an internal combustion engine includes three or more bosses provided on each of the cylinder head and the fuel delivery pipe, and fastening portions formed by bolting the bosses on the cylinder head to the bosses on the fuel delivery pipe. The fastening portions at both end potions of the fuel delivery pipe are less rigid than one or more fastening portions in a middle between the fastening portions positioned at both end potions of the fuel delivery pipe. | 10-16-2014 |
20150013643 | Fuel Injection Assembly For A Combustion Engine - A fuel injection assembly for a combustion engine includes an injector body, an injector cupradially enclosing an axial end of the injector body, and a spring clip coupling the injector cup with the injector body. The spring clip includes a ground plate with a main extension plane perpendicular to a longitudinal axis of the fuel injection assembly, a recess extending inwards from a lateral end of the ground plate to a bottom part having a circle-segment contour extending through an angle between 270° to 180°, and at least one spring element fixed to the ground plate. The spring element of the spring clip has a contact region with the injector cup, and the ground plate has a contact region with the injector body, whereby the spring element exerts a spring force on the injector cup. The ground plate of the spring clip extends into a cutout of the injector cup. | 01-15-2015 |
20150013644 | DECOUPLING ELEMENT FOR A FUEL INJECTION DEVICE - A decoupling element for a fuel injection device has a low-noise construction. The fuel injection device includes at least one fuel injector and one receiving bore in a cylinder head for the fuel injector and the decoupling element between a valve housing of the fuel injector and a wall of the receiving bore. The decoupling element has a nonlinear progressive spring characteristic as a solid-state joint, at least one bearing collar including a valve contact surface, which is designed to be spherical, i.e., convex, extending upward from a flat annular area, the flat annular area being supported on a supporting base, and the inside of the annular area has a smaller inside diameter D than the bearing collar and the supporting base, which is supported on the wall of the receiving bore. | 01-15-2015 |
20150013645 | STIFFENED FUEL INJECTOR - A fuel injector for the injection of fuel, which includes a fuel supply element for supplying the fuel, a current bar which extends at least partially parallel to the fuel supply element, and an extrusion coat, which surrounds the fuel supply element and the current bar, the extrusion coat encompassing a longitudinal rib that extends in the axial direction of the fuel injector and is disposed on the fuel injector opposite the current bar. | 01-15-2015 |
20150027413 | TERMINAL STRUCTURE OF HIGH-PRESSURE FUEL PIPE FOR DIRECT INJECTION ENGINE - Provided is a terminal structure of a high-pressure fuel pipe for a direct injection engine which can prevent stress concentration to a brazed portion between a pipe and a connection part effectively. In the terminal structure of a high-pressure fuel pipe for a direct injection engine where a connection head is brazed to an end of a fuel pipe, the end of the fuel pipe continued to a fuel pipe insertion portion of the connection head is provided with a drawn portion, an outer diameter D1 of the drawn portion to a fuel pipe diameter D satisfies 0.8D≦D1≦0.9D, and a length L1 of the drawn portion having the outer diameter D1 in a pipe-axial direction from an end of the fuel pipe insertion portion satisfies L1≧0.06D. | 01-29-2015 |
20150034051 | Injection Nozzle for Injecting Media into a Combustion Chamber - An injection nozzle for injecting media into a combustion chamber includes a nozzle body having a tip with spray holes and protruding into the combustion chamber, and a heat protection sleeve that surrounds and is positioned on a combustion chamber side of an end area of the nozzle body. The injection nozzle is inserted into an accommodating hole of a retaining part, whereby the end area of the nozzle body interacts with the accommodating hole, and whereby the sleeve is positioned there-between. The sleeve further has a first and second area which are located at an axial distance from each other and which have respective sealing surfaces that interact in a sealing manner with either (i) an annular seat surface extending in a radial plane, or (ii) a cone-shaped seat surface of the accommodating hole or of the nozzle body. | 02-05-2015 |
20150047614 | Dual fuel system for internal combustion engine and leakage limiting seal strategy for same - A dual fuel system includes liquid and gaseous fuel supplies and a fuel injector in fluid communication therewith. A gaseous fuel check in the fuel injector forms a leak path with a fuel injector body between gaseous and liquid fuel passages, and a leakage limiting seal is positioned about the gaseous fuel check and deformable into sealing contact with the gaseous fuel check responsive to an increase in a pressure drop from the liquid fuel passage to the gaseous fuel passage in the fuel injector. | 02-19-2015 |
20150053182 | FUEL INJECTION VALVE - A fuel injection valve is attached to an engine and to have an annular seal material attached thereon. The seal material is attached to a first reduced diameter part. In a use state where a body is inserted in an attachment hole formed at a predetermined position of the engine and a gas pressure that is equal to or higher than a predetermined pressure is applied to the seal material from its nozzle hole-side, the seal material is pressed against a first tapered part by the gas pressure to be compressively deformed, and a clearance between an inner peripheral surface of the attachment hole and an outer peripheral surface of the body is sealed with a compressively-deformed part of the seal material. A taper angle of the first tapered part is set in a range from 10 degrees to 20 degrees. | 02-26-2015 |
20150059703 | MULTIPART INSULATING ELEMENT, IN PARTICULAR FOR A FUEL INJECTION DEVICE - An insulating element for a fuel injection apparatus is notable in particular for the fact that a low-noise design is achieved. The fuel injection apparatus encompasses at least one fuel injection valve and one receiving bore in a cylinder head for the fuel injection valve, and the insulating element between a valve housing of the fuel injection valve and a wall of the receiving bore. The insulating element possesses an inner insulating ring that is present in encapsulated fashion between an outer ring and an inner ring. The outer ring is directed toward the fuel injection valve and the inner ring is directed toward the wall of the receiving bore, so that corresponding abutment of these components occurs with the insulating element in the installed state. The fuel injection apparatus is suitable in particular for direct injection of fuel into a combustion chamber of a mixture-compressing spark-ignited internal combustion engine. | 03-05-2015 |
20150059704 | APPARATUS FOR SPRAY INJECTION OF LIQUID OR GAS - An injection gate is provided for high pressure, high velocity secondary fluid for admixture of an atomized spray thereof with another or primary fluid that atomizes the other fluid. The secondary fluid may be an accelerant and the primary fluid may be a low pressure fuel or fuel/air mixture in a fuel injection arrangement for an internal combustion engine. An injection plate assembly for an engine is interposed between the carburetor and the manifold), with an array of accelerant injection gates grouped with an array of fuel or fuel/air gates about an aperture coinciding with a throttle bore and evenly balancing the spray about the throttle bore, creating an atomized admixture of accelerant/fuel. The injection of accelerant is directed sharply downwardly toward the center of the bore and through the injected fuel stream, atomizing the fuel thereof for a high efficiency boost of horsepower. | 03-05-2015 |
20150083083 | ENGINE - A marine engine includes an exhaust manifold, a valve cover, a top cover, and a fuel supply pipe. The exhaust manifold collects exhaust gases discharged from a plurality of cylinders. The valve cover is a cover that covers all of a plurality of valves for air intake or air discharge to or from the cylinders. The top cover is a cover that covers the valve cover. The fuel supply pipe is arranged in a space between the valve cover and the top cover, and allows a fuel to flow therethrough. The top cover is provided with a partition that is arranged so as to separate the side where the exhaust gas flows immediately after being discharged from the exhaust manifold from the side where the fuel supply pipe is arranged. | 03-26-2015 |
20150090229 | Holder for fastening a component to an internal combustion engine - A holder for fastening at least one component, particularly a fuel distributor, to an internal combustion engine. The holder includes an elastically deformable damping element, a holder body and a spring element, which are situated lying one behind the other with reference to an axis. In response to an assembly using the fastening arrangement, a prestressing of the spring element and a prestressing of the damping element are made possible. Furthermore, a fuel injection system is described having a fuel distributor and such a holder, which is used for fastening the fuel distributor on an internal combustion engine. | 04-02-2015 |
20150101572 | Fluid Injection Assembly For A Combustion Engine - A fluid injection assembly for a combustion engine includes an injector body having a notch, an injector cup, which radially encloses an axial end of the injector body and has a projecting part, and a spring clip arranged between the injector body and the injector cup. The spring clip includes a ground plate, at least one spring element, and at least one holding element engaging behind the projecting part of the injector cup. The ground plate is arranged in the notch of the injector body. The injector body and the injector cup are coupled together by the spring clip by mechanical interaction via the projecting part and the notch, respectively. | 04-16-2015 |
20150101573 | Fluid Injection Assembly - A fuel injector assembly with a fuel injector and a coupling device is disclosed. The coupling device includes a fuel injector cup, a plate element, one or more screws and a wing clip. The plate element includes at least one through-hole for fixedly coupling the fuel injector cup with the plate element by the screw or screws respectively, so that the fuel injector cup, the plate element and the screw(s) are positionally fixed with respect to each other. The wing clip is arranged at least partly around the fuel injector and extends outward in a radial direction such that the screw or screws, respectively, are operable to block a movement of the fuel injector relative to the plate element in a first direction of the central longitudinal axis by mechanical interaction with the wing clip. | 04-16-2015 |
20150114353 | INJECTION NOZZLE - An injection nozzle is disclosed. The injection nozzle may have a sealing face providing a sealed connection to the nozzle holder. The injection nozzle may also have a needle guiding bore. The needle guiding bore may have a nozzle holder section extending through the sealing face. The needle guiding bore may further have an injection side section fluidly connected to an outside of the injection nozzle via a plurality of nozzle spray holes. The needle guiding bore may also have a high pressure fuel chamber disposed between the nozzle holder section and the injection side section. The injection nozzle may also have a high pressure supply bore extending through the sealing face and fluidly and connect an opening in the sealing face with the high pressure fuel chamber via an extension. | 04-30-2015 |
20150128908 | Coupling Device and Fuel Injector Assembly - A coupling device for mechanically and hydraulically coupling a fuel injector to a fuel rail of a combustion engine is disclosed. The coupling device includes a fuel injector cup having a central longitudinal axis and extending from an inlet side for hydraulically coupling to the fuel rail and an outlet side for engaging a fuel inlet portion of the fuel injector, and a collar element coupled to the fuel injector cup. The collar element includes at least one leg portion having a bridge section and at least one branch section extending radially away from the fuel injector cup. The branch section(s) are arranged radially outwardly of the bridge section and project beyond the bridge section in both (b) a tangential direction perpendicular to the radial direction and perpendicular to the longitudinal axis and (b) a longitudinal direction parallel to the longitudinal axis. | 05-14-2015 |
20150136088 | Debris Diverter Shield For Fuel Injector - A tubular debris shield and diverter mounted in a high pressure flow passage within a fuel injector, provide the dual functions of passing the main flow of high pressure fuel with large debris particles to relatively large discharge openings, such as the injector spray holes, while allowing some high pressure fuel to flow through a multitude of very small transverse holes to a sensitive hydraulic component, such an injector control valve circuit. In one embodiment, the tube has a wall thickness in the range of about 0.1 to 0.5 mm at least about 2000 holes with a diameter in the range of about 20 to 30 microns. | 05-21-2015 |
20150316014 | DECOUPLING ELEMENT FOR A FUEL INJECTION DEVICE - A decoupling element is described for a fuel injection device which is characterized in particular by a low-noise design. The fuel injection device includes at least one fuel injector, a receiving bore in a cylinder head for the fuel injector, and the decoupling element between a valve housing of the fuel injector and a wall of the receiving bore. The decoupling element is designed as a decoupling system having a spring ring and a conical washer. The fuel injection device is suitable for injecting fuel into a combustion chamber of a mixture-compressing spark-ignition internal combustion engine in particular. | 11-05-2015 |
20150369143 | ENGINE SYSTEM HAVING HYDRAULICALLY ACTUATED GAS INJECTOR - A fuel injector is disclosed for use in an engine system. The fuel injector may have a body defining a gas inlet, an oil inlet, and an oil outlet. The fuel injector may also have a nozzle connected to the body and having a base end in fluid communication with the gas inlet, and an injection tip located opposite the base end. The fuel injector may also have a valve check disposed in the nozzle and movable to selectively block and unblock the injection tip of the nozzle, and a plunger disposed in the body between the oil inlet and the oil outlet. The plunger may be movable between a flow-passing position and a flow-blocking position to cause movement of the valve check through the injection tip. The injector may further have a solenoid actuator configured to selectively move the plunger. | 12-24-2015 |
20160003205 | FUEL INJECTION SYSTEM COMPRISING A FUEL-GUIDING COMPONENT, A FUEL INJECTION VALVE AND A MOUNTING - A mounting is provided for fuel injection systems, the mounting connecting a fuel injection valve to a fuel-conducting component, and having a connecting body and a connecting piece that are connected to one another. Inside the connecting body and the connecting piece there is configured a receptacle space in which a fuel connector of the fuel injection valve is at least partly situated. An inner collar is configured on the connecting piece. In addition, an elastically deformable element is provided. The elastically deformable element is supported at least indirectly on the inner collar of the connecting piece. In addition, the fuel connector is supported at least indirectly on the elastically deformable element. In addition, a fuel injection system having such a mounting is described. | 01-07-2016 |
20160025056 | DIESEL FUEL INJECTOR CLAMP - Methods and systems are provided for a fuel injector clamp for fixing a fuel injector to an engine component such as a cylinder head. Fuel injector clamps can be made from a variety of manufacturing processes, but some processes are more limiting in terms of material selection, structural properties of the clamp, and overall cost. A fuel injector clamp for use in a diesel engine is provided that has a design conforming to a stamping manufacturing process to increase the strength of the clamp as well as increase reliability while reducing the cost. | 01-28-2016 |
20160069315 | HOLDER FOR FASTENING A FUEL DISTRIBUTOR TO AN INTERNAL COMBUSTION - A holder for attachment of a component, in particular a fuel distributor, to an internal combustion engine includes: at least one decoupling element, an attachment body, an attachment element, and a holding element. The attachment body is attached to the internal combustion engine by way of the attachment element. The holding element is attached to the attachment body via the decoupling element. The decoupling element is shaped in such a way that in at least one spatial direction, a nonlinear spring characteristic curve, which describes a correlation of a return force acting on the holding element with a deflection of the holding element relative to the attachment body, is predefined. | 03-10-2016 |
20160076503 | FUEL-INJECTION SYSTEM HAVING A FUEL-CONDUCTING COMPONENT, A FUEL INJECTOR AND A SUSPENSION MOUNT - 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. | 03-17-2016 |
20160108874 | FUEL INJECTOR - A fuel injector ( | 04-21-2016 |
20160138540 | HEAT TRANSFERRING FUEL INJECTOR COMBUSTION SEAL WITH LOAD BEARING CAPABILITY - The present disclosure provides a fuel injector seal assembly comprising a seal member comprising a first section, a second section and an annular recess disposed in the first section, the first section having a first diameter and the second section having a second diameter wherein the first diameter is greater than the second diameter; and a sleeve member comprising a first end received by the first section of the seal member, the sleeve member further including a lengthwise portion configured to press fit around a nozzle housing of a fuel injector to cause heat transfer from the nozzle housing toward a body portion of the fuel injector. | 05-19-2016 |
20160177896 | Fuel Admission Point Integrated into Intake Runner/Elbow | 06-23-2016 |
20160177903 | Fluid Injection Assembly For A Combustion Engine | 06-23-2016 |
20160201581 | THROTTLE BODY FUEL INJECTION SYSTEM WITH IMPROVED FUEL DISTRIBUTION AND IDLE AIR CONTROL | 07-14-2016 |
20190145366 | Arrangement of Housing and a Flange | 05-16-2019 |
20190145367 | CONTROL DEVICE FOR COMPRESSION-IGNITION ENGINE | 05-16-2019 |