Class / Patent application number | Description | Number of patent applications / Date published |
123468000 | Having a specific shape, material, or location of fuel line | 60 |
20080271712 | CARBON DEPOSIT RESISTANT COMPONENT - Carbon deposits on engine components can negatively affect engine performance. An engine of the present disclosure includes at least one carbon deposit resistant engine component attached to an engine housing. The engine component includes at least one relatively high surface tension surface that is a non-contact wear surface and to which a relatively low surface tension coating is attached. The relatively low surface tension coating has a surface tension at least one of equal to and less than 30 dyne/cm. | 11-06-2008 |
20080302335 | Injector assembly having multiple manifolds for propellant delivery - There is provided an injector assembly having two or more oxidizer manifolds and/or two or more fuel manifolds for delivery of liquid propellants to a combustion chamber such that combustion instability is reduced or eliminated during throttling. Delivery of the oxidizer to the oxidizer manifolds is controlled by an oxidizer valve, which may comprise an integral valve. The oxidizer passes from the oxidizer manifolds into the oxidizer element and then into the combustion chamber. The multiple oxidizer manifolds allow the oxidizer to be provided through selective openings of the oxidizer element thus reducing the change in pressure drop across the oxidizer element to thereby reduce or eliminate combustion instability and other problems. Additionally, the injector assembly may also include a lift-off seal or a filler fluid source to fill any temporarily unused oxidizer manifolds with an oxidizer or filler fluid. | 12-11-2008 |
20090217912 | HIGH VISCOSITY FUEL INJECTION PRESSURE REDUCTION SYSTEM AND METHOD - An improved high viscosity fuel injection pressure reduction system and method is disclosed for use in an internal combustion engine. The system may include a first fuel line and a second fuel line. The first fuel line may be configured to be coupled upstream of a combustion chamber of the engine when the engine is operated with the first fuel and to provide a first pressurized volume when installed. Likewise, the second fuel line may be configured to be coupled upstream of the combustion chamber of the engine when the engine is operated with the second fuel and to provide a second pressurized volume when installed. The first and second volumes of the fuel lines may provide peak injection pressures lower than a desired pressure when the engine is operated with the first and second fuels, respectively. | 09-03-2009 |
20090241904 | FUEL SUPPLY PIPE DEVICE AND FUEL INJECTION DEVICE HAVING THE SAME - An internal combustion engine has multiple cylinders each provided with multiple injectors. A fuel supply pipe device includes multiple fuel passages, which receive fuel through multiple fuel paths and supply the fuel correspondingly to the multiple injectors. The multiple fuel passages are separated respectively from the multiple fuel passages. | 10-01-2009 |
20100031926 | INTAKE MANIFOLDS FOR INTERNAL COMBUSTION ENGINES - Embodiments of inlet manifolds for use in air-induction systems for internal combustion engines can have ports with a reduced flow area that causes the airstream within the ports to move at a relatively high velocity. Also, the ports can be shaped to focus the airstream at the fuel injectors mounted on the manifolds. | 02-11-2010 |
20100300407 | A FUEL INJECTION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE - With reference to FIG. | 12-02-2010 |
20110048380 | FUEL DELIVERY PIPE AND METHOD OF MANUFACTURING THE SAME - A fuel delivery pipe for delivering fuel to a plurality of fuel injection valves corresponding to cylinders of an internal -combustion engine. The fuel delivery pipe includes a pipe body made of carbon steel for machine structural use and a plating film disposed on an inner surface of the pipe body. Preferably the fuel delivery pipe includes a plating film disposed on an outer surface of the pipe body. | 03-03-2011 |
20110056465 | FUEL SUPPLY DEVICE - A device for feeding fuel from a fuel tank ( | 03-10-2011 |
20110094477 | FUEL DISTRIBUTOR - A fuel distributor for supplying fuel to injection valves for internal combustion engines includes a hollow manifold having a plurality of branch bores disposed radially therethrough. A plurality of branch lines are operably connected with a manifold at the branch bores by adapters. The adapters have either a one-piece deep-drawn construction or a one-piece extruded construction, and include a mounting flange that conforms to the outer contour of the manifold and joins the adapter to the exterior of the manifold, and a neck portion that closely receives and securely mounts therein the end portions of the branch lines. | 04-28-2011 |
20110108004 | Dual Fuel Connector - A dual fuel connector separately supplies two different fuels to fluidly isolated fuel passages within a fuel injection valve of an internal combustion engine. The dual fuel connector comprises a body with separate fluid connections to the first fuel inlet, the second fuel inlet, a first fuel rail and a second fuel rail. A first fuel passage within the body is in fluid communication with the first fuel rail and the first fuel inlet. A second fuel passage within the body is in fluid communication with the second fuel rail and the second fuel inlet, and wherein the first fuel passage is fluidly isolated from the second fuel passage. The dual fuel connector supplies two different fuels to a fuel injection valve, for engines that are not designed with a cylinder head that has internal bores that can serve as fuel rails. | 05-12-2011 |
20110192378 | IN-LINE NOISE FILTERING DEVICE FOR FUEL SYSTEM - A fuel injection system includes a fuel supply rail having a supply opening. A fuel injector is coupled to the fuel supply rail and configured to control the delivery of fuel from the fuel supply rail through the supply opening. A noise filtering device engages an upstream end of the fuel injector. The noise filtering device has a projecting portion extending at least partially into the supply opening along an axis, and the noise filtering device defines a restriction passage for directing fuel from the supply rail into the fuel injector. A face seal is established at a transverse face adjacent the supply opening. | 08-11-2011 |
20110214643 | FUEL HEATING SYSTEM AND METHOD - This disclosure relates a system for heating fuel supplied by a common rail fuel supply to an internal combustion engine. The system includes a high pressure fuel line, plural fuel injectors connected in series along the high pressure fuel line in the common rail, and a continuous low pressure passage including a heat exchanging portion in close proximity to the high pressure fuel line. A heated fluid source is operative to fluidly communicate with the continuous low pressure passage and circulate heated fluid to heat fuel present in the high pressure fuel line prior to, and during a cold start operation of the internal combustion engine. Other embodiments relate to a method of providing fuel to an internal combustion engine that includes sensing the temperature of fuel supplied to a fuel system and determining whether the sensed fuel temperature is greater than a predetermined value. The method includes circulating heated fluid in a continuous low pressure circuit to heat fuel present in a high pressure fuel line if the sensed fuel temperature is less than or equal to a predetermined value, and evacuating fluid for heating fuel from a portion of the continuous low pressure passage and fluidly connecting the evacuated portion of the continuous low pressure passage to a fuel leakage detection device if the sensed fuel temperature is greater than the predetermined value. | 09-08-2011 |
20110253107 | METHOD AND SYSTEM FOR INJECTING FUEL INTO INTERNAL COMBUSTION ENGINES - The invention relates to a method and to a system for injecting fuel into internal combustion engines, the injection taking place by way of an injection system and the fuel to be injected having an increased amount of fatty acids or fatty acid esters, particularly biodiesel. According to the invention, the components of the injection system coming into contact with the fuel are at least partially provided with a coating that has a low tendency for the agglomeration of fuel components, particularly fatty acids and fatty acid esters. | 10-20-2011 |
20110265766 | FUEL DELIVERY PIPE - A fuel delivery pipe made of resin, comprises: a pipe body internally formed with a fuel passage; an inlet pipe for introducing fuel into the pipe body; and a plurality of injector attaching parts for distributing the fuel introduced into the pipe body to a plurality of injectors through the fuel passage, the inlet pipe having an internal diameter smaller than an internal diameter of the pipe body and being integrally formed at one end of the pipe body through a joint portion provided with a slant surface with a diameter gradually decreasing toward a root of the inlet pipe. | 11-03-2011 |
20110283973 | FUEL DELIVERY PIPE - A fuel delivery pipe made of resin, comprises: a pipe body internally formed with a fuel passage; an inlet pipe for introducing fuel into the pipe body; a plurality of injector attaching parts for distributing the fuel introduced into the pipe body to a plurality of injectors through the fuel passage; and communication passages for communicating the fuel passage with the injector attaching parts, wherein the pipe body includes an absorbing part formed in a flat planar shape extending in a longitudinal direction of the pipe body, and the communication passages are placed so that respective centers are offset to the absorbing part side than a center of the pipe body. | 11-24-2011 |
20120006298 | HIGH-PRESSURE FUEL INJECTION PIPE HAVING CONNECTION HEAD PORTION, AND MANUFACTURING METHOD THEREOF - To provide a high-pressure fuel injection pipe preventing like a generation crack of a pocket portion during formation of a connection head portion, and being robust against fatigue, wherein the connection head portion is configured such that cylindrical face has contours in a section along the axial direction of the pipe from an end portion of a fillet portion of an annular flange portion toward the seat face formed such that an opening angle θ to an axis of the pipe in the section in the axial direction of the pipe satisfies 0°<θ≦20° and a ratio of the length h of the cylindrical face in the axial direction of the pipe and the length H from a terminal of the connection head portion to an end portion of the cylindrical face on the side of the fillet portion satisfies 0.33≦h/H≦0.85. | 01-12-2012 |
20120012083 | Fuel Delivery Assembly - A fuel delivery assembly for delivering a flow of fuel to a fuel injector includes a securing member including a securing member opening extending through the securing member such that the securing member is generally cylindrical. The securing member opening includes an inner surface that includes a securing member projection. The fuel delivery assembly also includes a quill tube including a quill tube opening extending through the quill tube such that the quill tube is generally cylindrical. The quill tube opening is configured to receive the flow of fuel and direct the flow of fuel to the fuel injector. The quill tube includes an outer surface that includes a quill tube projection. The securing member opening is configured to receive at least a portion of the quill tube, and the securing member projection and the quill tube projection are configured to engage in an interference fit. | 01-19-2012 |
20120012084 | Fuel Pump For A Direct Injection System - A fuel pump for a direct injection system provided with a common rail; the fuel pump has: at least one pumping chamber defined in a main body; a piston which is mounted sliding inside the pumping chamber; a suction channel connected to the pumping chamber and regulated by a suction valve; a delivery channel connected to the pumping chamber and regulated by a delivery valve; and a high pressure connection, which is welded by a ring weld to a wall of the main body at the delivery channel, has the function of allowing a connection to a supply duct that feeds the fuel under pressure to the common rail, and has internally a passing through channel through which the fuel coming from the delivery channel flows towards the supply duct. | 01-19-2012 |
20120017875 | FUEL SUPPLY SYSTEM OF VEE ENGINE - A fuel supply system of a vee engine includes a high-pressure fuel pump. A first delivery pipe is to distribute fuel to injectors disposed on a first bank. A second delivery pipe is to distribute the fuel to injectors disposed on a second bank. The fuel is to be supplied from the high-pressure fuel pump to the first delivery pipe through a first joint pipe. The fuel is to be supplied from the high-pressure fuel pump to the second delivery pipe through a second joint pipe. A direction of a connecting part of the first joint pipe on a side of the high-pressure fuel pump substantially matches a direction of thermal expansion of the first bank. A direction of a connecting part of the second joint pipe on a side of the high-pressure fuel pump substantially matches a direction of thermal expansion of the second bank. | 01-26-2012 |
20120090576 | FUEL DISTRIBUTOR SYSTEM FOR A MOTOR VEHICLE, AND METHOD OF MANUFACTURING A FUEL DISTRIBUTOR SYSTEM - A fuel distributor system for a motor vehicle includes a fuel pipe having an interior space, and at least one receiving tube for receiving an injector. The receiving tube is arranged on the fuel pipe and configured to project into the interior space of the fuel pipe. The receiving tube has an end face formed with an opening for introduction of fuel, and includes a first portion which is arranged in the interior space of the fuel pipe, and a second portion which is arranged outside the fuel pipe. The first portion has an axial dimension which is greater than an axial dimension of the second portion of the receiving tube. | 04-19-2012 |
20120125292 | FUEL INJECTOR - A fuel injector for an internal combustion engine includes: an injector body of substantially elongate form and defining an injector body axis; an injector nozzle disposed at one end of the injector body; and a plurality of element connectors for providing fluid and/or electrical connection into and/or out of the fuel injector wherein at least some of the element connectors are arranged to be rotatable relative to one another about the injector body axis. | 05-24-2012 |
20120145127 | Fuel Rail for Liquid Injection of a Two-Phase Fuel - In one embodiment, the fuel rail may include an inlet channel, one or more injector cavities with a fuel gallery, and an outlet channel. The fuel in an injector cavity may exist in varying ratios of liquid-to-vapor phase with liquid-phase fuel in a middle or lower portion of the injector cavity and with the vapor-phase fuel in an upper portion of the injector cavity. The inlet channel and the outlet channel may each intersect with the injector cavities on opposing sides of the injector cavities. The inlet channel may provide liquid-phase fuel to each injector cavity in a parallel manner. As the liquid-phase fuel is pumped into each injector cavity through the inlet channel, vapor-phase fuel in the injector cavities may be purged to the outlet channel in a parallel manner. | 06-14-2012 |
20120279475 | CONNECTION ARRANGEMENT FOR A TUBULAR FUEL LINE - A connection arrangement for a fuel line. The fuel line has a pressure nipple having a forward a sealing surface and a rear pressure receiving surface. A cap screw element projects into the passage with a tube portion which when tightened exerts on a pressure transmission arrangement a force which is directed axially towards the nozzle holder and which is transmitted to the pressure receiving surface of the pressure nipple to press its sealing surface against a counterpart sealing surface on the nozzle holder. A sealing arrangement which seals off a first free space between the outside wall of the fuel line and the inside wall of the pressure transmission arrangement and a second free space between the outside wall of the pressure transmission arrangement and the inside wall of the passage relative to the exterior is positioned completely in the interior of the passage. | 11-08-2012 |
20130125863 | BI-FUEL ENGINE FOR VEHICLE - A bi-fuel engine is equipped with an engine body, a plurality of branched intake pipes, a surge tank, and an air cleaner. Each of the branched intake pipes has a length including a slant portion and a bend. The bend is located on the side of the engine body and connects at an end to the slant portion and at the other end to a downstream end of the branched intake pipe. The slant portion extends from the bend to the upstream end of the branched intake pipe obliquely to a horizontal direction of the engine body so as to define between the surge tank and an upper portion of the engine body a space which is large enough to permit a cylinder head cover to be installed to and uninstalled from the upper portion of the engine body. | 05-23-2013 |
20130167805 | FUEL SUPPLY STRUCTURE - A fuel supply structure which can prevent significant decrease in fuel pressure to make the return of the fuel pressure to a steady value faster is provided. In a fuel supply structure which has a fuel pump | 07-04-2013 |
20140069388 | QUILL TUBE PROTECTION FEATURE - A quill tube is provided. The quill tube includes a hollow body and a spherical head. The hollow body defines a bore within the quill tube. The bore is configured to direct a flow of fuel into a fuel injector. The spherical head is located at a first end of the hollow body. The spherical head includes a tip, a first surface and a second surface. The tip is located at a distal end of the spherical head. The first surface is configured to engage with the fuel injector. The second surface is positioned between the tip and the first surface. Further, a flange is located proximate to the spherical head. The flange is angularly positioned relative to the first surface. If the spherical head is contacted against an external surface, the flange is configured to cause the second surface to touch the external surface. | 03-13-2014 |
20140116390 | FUEL SYSTEM HAVING A FUEL-COOLED INJECTOR - A fuel system for an engine is disclosed. The fuel system may have a fuel injector configured to inject fuel into a cylinder of the engine. The fuel system may also have a first fuel supply line configured to supply liquid fuel to the fuel injector to cool the fuel injector. The fuel system may further have a second fuel supply line configured to direct fuel from the fuel injector back to the fuel injector for discharge into a cylinder of the engine. | 05-01-2014 |
20140144409 | Fuel Line - A fuel line, in particular a fuel line for a gasoline direct injection line system, having an inner steel tube and an outer steel tube, wherein the inner steel tube is accommodated in the outer steel tube in a force-locking manner. The inner steel tube is made of a corrosion resistant steel and the outer steel tube is made of an outer steel tube alloy, wherein a wall thickness of the inner steel tube is smaller than a wall thickness of the outer steel tube. A maximum carbon content of the outer steel tube alloy is higher than a maximum carbon content of the corrosion resistant steel. A thickness of the fuel line amounts to between 5% and 60% of an inner diameter of the motor vehicle fluid line. | 05-29-2014 |
20140165968 | FUEL SYSTEM FOR AN EXCAVATOR - A fuel system is disclosed which is adapted to improve engine ignition properties by ensuring that, when the engine ignition is turned off, residual fuel left over in the engine area after use is not returned to the fuel tank but instead remains in a common rail injector area. The fuel system for an excavator according to the present invention comprises: a fuel tank having a fuel supply line for discharging fuel and a return line for returning residual fuel after combustion in the engine area; a water-fraction separator which is provided downstream of the fuel tank, removes the water fraction contained in the fuel that is sucked in, and consists of a hand pump that is linked to the fuel supply line and of a first filter that is linked to the hand pump and filters out extraneous material in the fuel; an injection pump which is provided downstream of the water-fraction separator and which provides an injector with a high pressure supply of the fuel, from which the extraneous material has been filtered out on passing through the first filter and a second filter linked thereto, such that said fuel is sprayed into an engine combustion chamber; a fuel control unit which is respectively linked to the second filter and the injection pump and controls the injection pump so as to control the volume of fuel supplied to the injector; and a check valve which is provided in the return line and ensures that, when the equipment is made to stop working because the engine ignition is turned off, residual fuel left over in the engine area after use is not returned to the fuel tank along the return line but instead remains in the injector area. | 06-19-2014 |
20140216412 | Unheated Fuel-Line Assembly and Method of Detecting Leakage at and/or in a Fuel Line - The invention relates to an unheated fuel-line assembly, in particular for use in a motor vehicle, where an inner tube is provided as a fuel line and an outer tube is provided that surrounds the inner tube with a spacing therefrom. The inner surface of the outer tube that faces toward the inner tube is formed with a plurality of grooves that extend at least over a portion of the length of the outer tube longitudinally of the outer tube. | 08-07-2014 |
20140261331 | REFUELING SYSTEM FOR OUTDOOR POWER EQUIPMENT - A refueling system includes a filling station configured to store a first volume of liquid fuel, the filling station including a station receptacle, a removable fuel cartridge configured to store a second volume of liquid fuel less than the first volume of liquid fuel, and outdoor power equipment including an engine having an engine receptacle, wherein inserting the removable fuel cartridge into the station receptacle fluidly couples the filling station and the removable fuel cartridge to automatically fill the removable fuel cartridge with liquid fuel, and wherein inserting the removable fuel cartridge into the engine receptacle fluidly couples the removable fuel cartridge and the engine to provide liquid fuel to the engine. | 09-18-2014 |
20140311454 | ENHANCED FUEL INJECTION BASED ON CHOKE FLOW RATE - A method is described for adjusting the amount of gaseous fuel injected based on the sonic choked flow rate through a restriction. Because the sonic choke flow rate continues to decrease as tank pressure decreases, the method includes computing the sonic choke flow rate through the restriction based on system variables and enforcing the rate of CNG injection to be less than the sonic choke flow rate through the restriction. Thereby, the mass flow rate to the fuel injector can be substantially maximized to substantially minimize the time for fuel tank emptying, particularly during the last amount of tank emptying when the contents of the gaseous storage tank is low. | 10-23-2014 |
20150369185 | FUEL HIGH-PRESSURE PIPE - In order to constitute a fuel high-pressure pipe that is compact and easy to connect to injectors, one of both the end sections of a fuel high-pressure pipe is formed as a first connecting section connected to a fuel supply port of one injector, and the other one of the end sections of the fuel high-pressure pipe is formed as a second connecting section connected to a fuel discharge port of another injector. The first connecting section and the second connecting section are linearly formed parallel to each other, and head sections of the first connecting section and the second connecting section, said head sections being on the connecting side to respective injectors, are formed in the directions opposite to each other. | 12-24-2015 |
20150377199 | METHOD FOR VENTING A FUEL SUPPLY LINE, AND INTERNAL COMBUSTION ENGINE - A method for venting a fuel supply line of a direct-injection internal combustion engine, wherein the fuel supply line has an injector, a high-pressure accumulator upstream of the injector, a flow rate limiting valve between the high-pressure accumulator and the injector for the purposes of limiting a fuel flow rate passing from the high-pressure accumulator to the injector, and a high-pressure pump upstream of the high-pressure accumulator for delivering fuel into the high-pressure accumulator. A pressure in the high-pressure accumulator is regulated by an intake throttle arranged upstream. of the high-pressure pump. In this case, it is provided that the fuel supply line is vented downstream of the high-pressure pump, wherein, during venting operating mode, a passage cross section for the fuel which is smaller than or equal to a predetermined threshold passage cross section is set in the intake throttle. | 12-31-2015 |
20160069309 | DIESEL WORK VEHICLE WITH DUEL FUEL TANKS - A work vehicle is provided with fuel supply lines that include a first fuel supply line that connects a first fuel tank and a junction. A second fuel supply line connects a second fuel tank and the junction. A common supply line connects the junction and a diesel engine. A fuel pump is provided on the common supply line. A first check valve is installed on the first fuel supply line and opens in accordance with a pressure differential between a pressure in the first fuel tank and a pressure in the junction. A second check valve is installed on the second fuel supply line and opens in accordance with a pressure differential between a pressure in the second fuel tank and a pressure in the junction. A fuel return line returns excess fuel from the diesel engine to the first fuel tank and the second fuel tank. | 03-10-2016 |
20160084172 | BI-FUEL SYSTEM AND A METHOD FOR OPERATING SUCH A SYSTEM - The invention relates to a bi-fuel system ( | 03-24-2016 |
20160176491 | OUTBOARD MOTOR FUEL SUPPLY UNIT | 06-23-2016 |
123469000 | Specific fuel line mounting means | 23 |
20080202472 | Fuel rail support bracket - A fuel rail mounting bracket for use in a fuel charging assembly of a vehicle engine is disclosed. The fuel rail mounting bracket may include a bolt support portion mounted to the vehicle engine; a transition zone extending from the bolt support portion; and a support hoop portion extending from the transition zone and supportably mounted around the fuel rail, the support hoop portion having a main wall thickness and including an upper fracture recess adjacent to the transition zone that has an upper fracture wall thickness that is less than the main wall thickness, and a lower fracture recess, adjacent to the transition zone and spaced from the upper fracture recess, having a lower fracture wall thickness that is less than the main wall thickness. | 08-28-2008 |
20080210201 | Fuel injection system for an internal combustion engine and engine incorporating same - A fuel injection system includes a fuel piping for supplying fuel to plural injectors of a multi-cylinder internal combustion engine, and a connection member for attaching the fuel piping to a vehicle. The fuel piping is divided into plural resin supply pipe members across the longitudinal direction thereof. The fuel piping also includes an introduction pipe member, made of resin, for supplying fuel to the supply pipe members. The connection member includes a plurality of injector engaging portions connected to the injectors, and a plurality clamping parts connected to the fuel piping. The connection member is fixed to a component of the vehicle together with the fuel piping. | 09-04-2008 |
20100126470 | HYDRAULIC CONNECTION OF INJECTOR TO A PRESSURE SOURCE - The invention relates to an internal combustion engine with a fuel injection system. The injection system comprises a source ( | 05-27-2010 |
20100242916 | FUEL SYSTEM FOR A DIRECT INJECTION ENGINE - A fuel delivery system for a direct injection internal combustion engine which reduces mechanical stress on the fuel system components. The system includes a first and a second fuel rail mounted to the engine block for the internal combustion engine. A device is attached to the fuel rails which reduces movement of the fuel rails relative to the engine block and mechanical stress that would otherwise result from such movement. | 09-30-2010 |
20110108005 | FUEL RAIL FOR HIGH-PRESSURE DIRECT-INJECTION INTERNAL COMBUSTION ENGINES AND METHOD FOR MANUFACTURING THEREOF - A fuel rail for high-pressure direct-injection internal combustion engines has an injector holder and a fastening bracket directly attached to a main body of the fuel rail. Thermal deformation may occur at the time of temporary fitting or brazing when assembling the rail. However, positional accuracy of the injector holder can be assured, which results in having an excellent sealing property. Components of the fuel rail for direct-injection internal combustion engines are made of steel or stainless steel, and the components are joined reciprocally by brazing. The components joined by brazing are finished by cutting work and/or burnishing processing after the brazing step. | 05-12-2011 |
20110174272 | FUEL PIPE ASSEMBLY AND CLAMPING MEANS - A fuel pipe assembly for supplying fuel to a fuel injector located within a bore of an engine cylinder head comprises a tube nut for connecting the fuel pipe to the fuel injector and a securing arrangement comprising a locking nut and a deformable clamp member for securing the fuel pipe within the tube nut. The tube nut comprises a tubular member defining an axial bore to receive the fuel pipe, a distal end shaped for cooperation with the head of the fuel pipe, and a proximal end having an attachment mechanism for engaging a compatible attachment mechanism of the locking nut. The locking nut has an axial bore to receive the fuel pipe, and an attachment mechanism for engaging a compatible attachment mechanism of the tube nut. The clamp member defines a bore to receive the fuel pipe and is deformable under compression. In a first state of engagement, the locking nut and tube nut define a volume therebetween that accommodates the clamp member in an unstrained configuration and the fuel pipe is able to move laterally. In a second state of engagement, the clamp member is compressed between the locking nut and tube nut into a strained configuration such that lateral movement of the fuel pipe is constrained. | 07-21-2011 |
20110315122 | ENGINE ASSEMBLY INCLUDING FUEL SYSTEM WITH FUEL LINE CONNECTOR - A fuel line may include a hollow elongate body having a first end and a second end. A first sealing member located on the first end of the hollow elongate body may have a monolithic construction and include a base region and a sealing region. The base region may have a first material hardness and the sealing region may have a second material hardness, the second material hardness being less than the first material hardness. A first connector may be coupled with the elongate body and the first connector and the first sealing member may be configured to sealingly connect to a fuel injector. | 12-29-2011 |
20120006299 | ASSEMBLY FOR CONNECTING DOUBLE HIGH PRESSURE WALL LINE TO A SINGLE-WALLED HIGH PRESSURE CONNECTOR - This disclosure provides a fuel line assembly for use with an internal combustion engine, an internal combustion engine including such as fuel line assembly, and a method for providing leak containment and detection in a fuel system, each of which include a double-walled fuel line including a high pressure fuel line component. The double-walled fuel line includes a high pressure fuel line, a jacket surrounding the high pressure fuel line, and a low pressure passage between the high pressure fuel line and the jacket. A fuel line nut includes a main body that houses a portion of the high pressure fuel line, and a first end portion supporting an enlarged end portion of the high pressure fuel line protruding from the first end portion. A second end portion of the fuel line nut sealingly connects to the jacket to extend the low pressure passage into an area between the main body and the housed high pressure fuel line. A fuel line connector mechanically and sealingly engages with the fuel line nut to house the supported enlarged end portion of the high pressure fuel line. The fuel line connector can connect to a single-walled high pressure tube provided in a bore of the cylinder head between an inlet of a fuel injector and the environment exterior of the cylinder head. | 01-12-2012 |
20120085321 | FUEL DISTRIBUTION PIPE FOR A MOTOR VEHICLE AND METHOD FOR ARRANGING A FUEL DISTRIBUTION PIPE - A fuel distribution pipe for a motor vehicle includes a tubular body having an end face, and a closure part which is arranged on the end face for sealing the tubular body against fuel leakage. The closure part is constructed as a retaining member for securing the fuel distribution pipe on a component of the motor vehicle. | 04-12-2012 |
20120138020 | MOUNTING STRUCTURE FOR A DIRECT INJECTION FUEL RAIL - The present invention relates to a mounting structure for a direct injection fuel rail. Specifically, a mounting structure | 06-07-2012 |
20120204837 | FUEL INJECTOR ASSEMBLY - A fuel injector assembly for use with an engine block of a direct injection engine. The fuel injector assembly includes an elongated tubular fuel rail which is fluidly connected to a high pressure fuel source. At least two fuel cups are attached to and extend downwardly from the fuel rail and each fuel cup is adapted to receive one fuel injector. First fasteners attach a bracket to the engine block while second fasteners attach the bracket to the fuel rail. These second fasteners, furthermore, are positioned so that the second fasteners are coplanar with a plane extending through a longitudinal axis of each fuel injector. | 08-16-2012 |
20120234296 | Pressure pipe fitting for a common-rail injection system - A pressure pipe fitting for feeding high-pressure fuel to, and discharging fuel from, an injector of a common-rail injection system of an internal combustion engine includes at least one inner pipe and an outer pipe coaxially arranged with the inner pipe, with an annular space formed between the outer and inner pipes, and an intermediate piece arranged in the annular space for coaxially positioning the inner pipe and the outer pipe. The inner pipe preferably has conical seat surface on its end face. A threaded connection is provided to position the intermediate piece at a defined axial distance from the seat surface on the inner pipe. The inner pipe comprises a stop acting in the axial direction and cooperating with a counter-stop of the intermediate piece. | 09-20-2012 |
20130125864 | FUEL RAIL MOUNTING ARRANGEMENT - A vibration isolation fuel rail mounting arrangement is configured for in-plane shear type damping by spacing the mid-width points of the elastomer compression areas of two stacked-layer isolators away from the central fastener axis by a distance between about 1.5 times the bolt diameter and about 3.0 times the bolt diameter. | 05-23-2013 |
20130306032 | FUEL DISTRIBUTION PIPE - A fuel distribution pipe includes a pipe having a tubular main bore through which fuel is to be passed, a cylindrical injector attachment portion having a cylindrical injector bore to which an injector is to be attached, and a cylindrical bolt attachment portion having a cylindrical bolt bore through which a bolt is to be passed to fix the pipe to the cylinder head with the bolt. The injector bore communicates with the main bore such that an axis of the injector bore intersects with an axis of the main bore. An axis of the bolt bore intersects with the axis of the main bore. | 11-21-2013 |
20140041635 | FUEL RAIL CONNECTOR - A connector for coupling a high pressure fuel line with a fuel rail, the connector including a connector body disposed along a longitudinal axis, and having a first end portion, and a second end portion opposite the first end portion. The connector body is configured to couple with a high pressure fuel line at the first end portion, and is configured to couple with a fuel rail at the second end portion. The connector body defines a fluid passage along the longitudinal axis between the first end portion and the second end portion. The fluid passage includes an orifice portion having a length along the longitudinal axis and a diameter, and the length of the orifice portion is more than 3 times greater than the diameter of the orifice portion. | 02-13-2014 |
20140123951 | FUEL-PIPING ATTACHMENT STRUCTURE - A fuel-piping attachment structure includes a fuel piping, at least one fastening portion, and a protective member. The at least one fastening portion is to be joined to an internal combustion engine main body to support the fuel piping with respect to the internal combustion engine main body. The protective member includes at least one base portion to be joined to the internal combustion engine main body. All of the at least one fastening portion are disposed on a first side in a Z direction with respect to the axis of the fuel piping. All of the at least one base portion are disposed on a second side in the Z direction with respect to the axis of the fuel piping. | 05-08-2014 |
20140144410 | Motor Vehicle Assembly Unit and Method for the Production of the Motor Vehicle Assembly Unit - A motor vehicle assembly unit having a connector, in particular a quick connector, and having a motor vehicle fluid line, wherein the connector includes an insertion end for inserting the fluid line, wherein there is a securing spike on the insertion end, which is encompassed by an outer sleeve. An annular insertion space for the fluid line or a fluid line end of the fluid line is disposed between the securing spike and the outer sleeve. The outer sleeve is connected to the securing spike by means of at least one break-away element, that breaks when the fluid line is inserted in the annular insertion space, such that the outer sleeve can be slid onto the securing spike, or further slid onto the securing spike from, or with, the fluid line. | 05-29-2014 |
20150075496 | Fastening Assembly For A Fuel Rail Of A Combustion Engine - A fastening assembly for mounting a fuel rail in an engine includes a bracket which includes a longitudinal axis and is coupled to the fuel rail, a retainer which includes a first through opening for receiving a bolt, and a bolt which is inserted through the first through opening. The bracket includes a second through opening for receiving the retainer and the bolt. The retainer is arranged in the second through opening such that it can rotate relative to the bracket. The cross-section of the first through opening perpendicular to the longitudinal axis has an elongated shape. | 03-19-2015 |
20150107558 | Sealing System for an Engine - A sealing system comprising a cylinder head, a coupler, a fuel injection line, and a cap. The coupler is positioned in the cylinder head, and the fuel injection line extends into the coupler so as to at least partially define a fuel leak passageway therebetween. The fuel injection line extends through the cap, and the cap yieldably urges itself into a seated position in which the cap establishes a first sealed connection with the fuel injection line and establishes a second sealed connection with the coupler, so as to block ingress of moisture into the fuel leak passageway. Additionally, the cap allows movement of itself away from the seated position to an unseated position in response to a pressurized leaked fuel, in the fuel leak passageway, so as to allow the pressurized leaked fuel to flow out of the fuel leak passageway. | 04-23-2015 |
20150330345 | ARRANGEMENT FOR SUPPLYING FUEL TO AN ENGINE - An arrangement for supplying fuel from a fuel pressure source located on an outside of an engine enclosure to a fuel injector located on an inside of the engine enclosure includes a fuel pipe for transporting fuel from the fuel pressure source to the fuel injector via an opening in the engine enclosure, and a seal for sealing the fuel pipe at the opening. The seal includes a first part configured for a sealing contact around the fuel pipe and a second part configured for a sealing contact around a sleeve extending around the opening. An internal combustion engine provided with such an arrangement and a method for providing an internal combustion engine with such an arrangement are also provided. | 11-19-2015 |
20160040641 | INJECTION DEVICE FOR AN INTERNAL COMBUSTION ENGINE - The invention relates to an injection device for the injecting of fuel into a combustion chamber, wherein the injection device comprises; a housing which is rigidly connected to the combustion chamber, an injection part which is rotatably connected to the housing and which is drivable by means of an actuator in order to rotate with respect to the housing about a central axis, a supply conduit which is fluidically connected to the combustion chamber for the pressurized introduction of a fuel into the combustion chamber and which comprises a fluid-tight coupling between the housing and the injection part; an injection nozzle which is rigidly connected to the injection part and which comprises an atomizer having an atomizer opening which is fluidically connected to the supply conduit for the introduction of fuel into the combustion chamber, whereas the injection nozzle rotates, the injection device further comprising at least one further supply conduit for the pressurized introduction of a fluid into the combustion chamber. | 02-11-2016 |
20160090953 | INJECTOR ASSEMBLY - A distal end portion of an injector is fitted into a mounting member. A fuel joint having a connecting pipe portion is connected to a proximal portion of the injector. A joint pressing member which restricts the displacement of the fuel joint in the direction away from the mounting member is fixed by fastening to the mounting member. The injector is fixed to the mounting member by restricting the displacement of the fuel joint by the joint pressing member. | 03-31-2016 |
20160195054 | HOLDER AND SYSTEM HAVING A FUEL RAIL AND MULTIPLE HOLDERS | 07-07-2016 |