Abstract: The present invention relates to an injector clamp for a vehicle and, more particularly, to an injector clamp of a leaf spring type for fixing a piezoelectric injector in a gasoline engine. For this purpose, the present invention provides an injector clamp for a vehicle, of which one side portion is formed as a planar mounting portion to be fixed on a mounting surface of a cylinder head by at least a bolt, a middle portion is formed as a planar extension portion extending from the planar mounting portion to the mounting surface of the cylinder head, and the other portion is formed as an injector supporting portion divided into at least two branches from the planar extension portion and bent convexly downward.

Abstract: An injector mounting structure for a V-type internal combustion engine includes an intake manifold arranged in a V-bank. A fuel supply pipe extends linearly in parallel to a crankshaft and is disposed in the V-bank. A pair of injectors are branched in an inverted V-shape in side view from the direction of the axial line of the fuel supply pipe from two branch portions P, Q apart from each other in the direction of the axial line of the fuel supply pipe and extend in parallel to each other and obliquely at an acute angle ? with respect to a segment PQ connecting the two branch portions P, Q in top view. The injectors are mounted by fitting distal end portions of the pair of injectors respectively into mounting holes formed on air-intake pipes of the intake manifold on the respective sides.

Abstract: An improved O-ring retainer arrangement for retaining an O-ring on a fuel tube of a fuel injector. An overmolded hard plastic ring is disposed on the cylindrical outer surface of the fuel tube. The end of the fuel tube is radially flared to retain the ring on the tube, the radial extent of the flare being less than or equal to the radial thickness of the ring such that the flare cannot come into contact with the bore of a fuel rail socket. The ring is formed such that axial compressive forces exerted on the ring are outside the fuel tube body and preferably are directly opposed, thus exerting no toroidal torque on the ring. The ring is free to move axially on the fuel tube surface. In one aspect of the invention, the ring can move freely along only a limited region on the fuel tube.

Abstract: A fuel injector assembly sufficiently configured to be mountable within an injector bore defined by a cylinder head assembly is provided. The fuel injector assembly includes an injector body having an injector tip portion and a generally annular combustion seal mounted with respect to the injector tip portion. A secondary combustion seal is mounted with respect to the injector tip portion and is substantially adjacent to the generally annular combustion seal. A cylinder head assembly incorporating the disclosed fuel injector assembly is also provided.

Abstract: A seal for sealing the fuel injector from a valve mount opening of a cylinder head, the seal radially surrounding the region of the discharge-side end of a fuel injector, sealingly rests on the valve mount opening opening via a first section. By way of at least an axial partial section, which extends only across a portion of the axial height of the seal, the seal is fitted in the region of the discharge-side end of the fuel injector in integral fashion, by form-fit and/or force-locking.

Abstract: A compensating element for supporting a fuel injector in a cylinder head of an internal combustion engine has an annular design and is situated between a valve housing of the fuel injector and a wall of a receiving bore of the cylinder head. The compensating element includes at least two side pieces, which are supported on the fuel injector and the cylinder head.

Abstract: A support element for the mutual support of a fuel injector in a valve seat, in particular the valve seat of a cylinder head of an internal combustion engine, and of the fuel injector against a fuel distributor, having a clamp and clips provided thereon, as well as a bracket, the fuel injector protruding through a hole therein.

Abstract: To shorten a side mounting pitch of adjacent throttle bodies, in a multiple throttle body, thereby improving a mounting property to a two-wheeled vehicle, a discharge open hole (5) and a fuel spray escaping hole (7) are continuously provided toward a suction air passage (2a) in a downstream side of a throttle valve (4), longitudinal axes (X-X) of the respective throttle valve shafts (3,3) are coaxially arranged, a plurality of throttle bodies (1) are arranged in a side direction, an engine side mounting pipe sleeve (10) formed in an outer periphery of the downstream side suction air passage (2a) including at least the fuel spray escaping hole (7) and the engine side end surface (1a) is formed in an oval or an elliptic shape, and short axis portions (10a) of the oval or the elliptic shape are arranged along the longitudinal axis (X-X).

Abstract: A support element is provided for the mutual support of a fuel injector in a valve receptacle, e.g., the valve receptacle of a cylinder head of an internal combustion engine, and of the fuel injector against a fuel distribution line. The support element has a clamp, clips and brackets.

Abstract: A fuel nozzle for a gas turbine engine comprises a nozzle body defining a passage extending therethrough and a flange around the nozzle body extending radially and outwardly from the nozzle body. The flange defines a mounting face thereof and a plurality of mounting holes in the mounting face extending through the flange. The mounting face includes a contacting land protruding from the mounting face for abutting a mounting surface of a support structure of the engine when the fuel nozzle is mounted to the support structure.

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

Abstract: An injector assembly is disclosed for mounting within a mounting member, which includes a first mounting aperture that defines an axis, and a second mounting aperture that defines an axis and an inner surface. The axis of the first mounting aperture extends transverse to the axis of the second mounting aperture. The injector assembly includes an inlet connector that can be disposed within the first mounting aperture. The injector assembly further includes an injection valve member that can be disposed within the second mounting aperture. The injection valve member includes a fuel inlet that defines an axis. The injection valve member is in fluid communication with the inlet connector via the fuel inlet. Furthermore, the injector assembly includes an abutment member operable to supply a supporting force from the second mounting aperture to the injection valve member. The axis of the fuel inlet approximately intersects the abutment member.

Abstract: The following describes an apparatus for and method of clamping a device, such as a fuel injector, to a platform, such as a cylinder head, and thereafter removing the device from the platform together with the clamp. A retaining sleeve is deformed such that the retaining sleeve is held in place between the clamp and a ledge on a fastener disposed within the clamp. The retaining sleeve secures the fastener to the clamp during removal of the fastener, thereby providing that the clamp assembly and the device, such as a fuel injector, are removed together.

Abstract: A fuel rail assembly includes a fuel injector socket having a cylindrical end for receiving an injector and a boxed end for orienting and positioning the injector relative to the engine cylinder. A boxed shape end cap is fitted over the boxed end of the socket thereby supporting the socket. Planar saddle members are disposed on each side of the end cap and radiused edges are fitted to the cylindrical surface of the fuel distribution tube. A jump tube communicates fuel from the fuel distribution tube to the fuel injector socket. A bracket defines a sole plate for the assembly, for attachment to an engine head, and includes a generally planar surface for locating against the planar surface of the saddle members. Components of the fuel rail assembly are first assembled loosely on a fixture, then joined together as the fuel rail assembly.

Abstract: A fuel injector for a gas turbine engine is disclosed. The fuel injector includes an injector housing having a longitudinal axis. The injector housing includes one or more fuel inlets, one or more fuel galleries annularly disposed about the longitudinal axis, and an air inlet. The fuel injector also includes a premix barrel having a proximal end and a distal end circumferentially disposed about the longitudinal axis. The premix barrel is fluidly coupled to the fuel galleries and the air inlet at the proximal end, and configured to mechanically couple to a combustor of the gas turbine engine at the distal end. The fuel injector also includes a pilot assembly disposed radially inwards of the premix barrel. The pilot assembly may include a first end and a second end. The second end is removably coupled to the injector housing, and the first end is proximate the distal end of the premix barrel. The pilot assembly is fluidly coupled to the fuel galleries, the air inlet, and the combustor.

Abstract: A fuel injector isolation system in a high pressure fuel injection system comprises an isolated fuel rail assembly. At least one cylinder has a cylinder head. A fuel injector is coupled to and in fluid communication with the fuel rail assembly, extends axially through an opening in the cylinder head, and is moveable within the opening in relation to the cylinder head.

Abstract: A fuel injector isolation system in a high pressure fuel injection system comprises an isolated fuel rail assembly. At least one cylinder has a cylinder head. A fuel injector is coupled to and in fluid communication with the fuel rail assembly, extends axially through an opening in the cylinder head, and is moveable within the opening in relation to the cylinder head.

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

Abstract: To effectively reduce operational noise generated by vibration of the fuel injection valve with a fuel injection valve installation structure of an engine. In the structure, an installation hole is formed in an engine component member that constitutes a part of an engine. The installation hole has an annular shoulder portion, which is formed in the middle portion thereof, and which faces the exterior side. The fuel injection valve is held between the annular shoulder portion and a supporting member attached to the engine component member. A first damper, with high vibration-damping properties, is set between an annular shoulder portion and a fuel injection valve. A second damper, with high vibration-damping quality, is set between a supporting member and the fuel injection valve.

Abstract: A device to suction fuel from a fuel injector and a device to attach a fuel return line to a fuel injector with a C-shaped main body partially encircling the fuel injector having two retaining arms which abut the fuel injector and grip it from the back at least to a small degree, with a connector coacting with a drain passage of the fuel injector and at least one connecting fitting for the fuel return line. The connecting fitting and the connector are fluidically connected. The free ends of the retaining arms have a first section in which they are angled towards each other and towards the base of the main body.

Abstract: An engine of spark-ignition type injects fuel from an injector (3) into an intake port (2) provided in a cylinder head (1). In this engine of spark-ignition type, the injector (3) has fuel injection holes oriented toward an inner wall surface of the intake port (2) and makes a start (3a) of the fuel injection during an exhaust stroke of each of cylinders (5) and (6). The injected fuel is adapted to collide against the inner wall surface of the intake port (2). Preferably, the start (3a) of the fuel injection is made at a later half portion of the exhaust stroke of each of the cylinders (5) and (6). More preferably, the start (3a) is made during a term of 31 degrees to 25 degrees of a crank angle before the end of the exhaust stroke.

Abstract: An isolation seat assembly for a fuel injector that is at least partially disposed within a stepped bore defined by a cylinder head, the stepped bore includes a land. The isolation seat assembly includes a cupped spring washer and an elastomeric ring member disposed between the cupped spring washer and the land. The isolation seat assembly operates to bias the fuel injector away from the land to substantially isolate the fuel injector from the head. The cupped spring washer and elastomeric ring member may be bonded to one another. Additionally, the isolation seat assembly may include a washer member between the elastomeric ring member and the land. The washer member operates to distribute axial forces from the fuel injector to the land. At least a portion of the washer member may be crimped into engagement with the cupped spring washer, thereby capturing the elastomeric ring member therein between.

Abstract: The sealing element has a ring consisting of an elastic material. The ring consists of a continuous support section, a first sealing lip, formed thereon for sealing the injector casing and a second sealing lip for sealing the cylinder head. The sealing lips project substantially inwards in a radial direction and together with the support section form a continuous groove of the ring. An alignment member is at least partially positioned in the groove of the ring, the alignment member is configured such that when a valve stem portion of the injector casing is positioned through the ring, the alignment member physically contacts the valve stem portion at two or more distinct locations to fix the ring non-positively around the valve stem portion such that the ring is prevented from physically contacting the valve stem portion.

Abstract: An injector mounting arrangement for use in an engine, the injector mounting arrangement including: a fuel injector having one or more resonant modes of vibration, an engine cylinder housing, and a clamping arrangement including a clamping member for applying a clamping load to the injector so as to clamp the injector to the cylinder housing wherein the clamping load is applied at or substantially at a vibration node of one of the one or more modes of vibration of the fuel injector so as to damp or substantially prevent transmission of injector generated noise to the cylinder housing.

Abstract: An intake flow control apparatus for an internal combustion engine eases operation of an air flow regulator and permits use of a short intake passage, thus providing a high output. The intake flow control apparatus includes an air routing member having an intake passage formed therein, and an air flow regulator opposed to an upstream-side opening of the intake passage. The air flow regulator moves in an intake axis direction while being guided by a light-weight guide structure to control the amount of intake air supplied. The air flow regulator may include plural valve elements different in operation timing, in which a valve actuator successively actuates the plural valve elements in accordance with a throttle operation to control the amount of intake air. The apparatus also includes a vacuum moderating structure for reducing the effective strength of a vacuum applied to the air flow regulator.

Abstract: A fuel injector for the direct injection of fuel into the combustion chamber of a mixture-compressing internal combustion engine having external ignition includes a valve housing formed by a nozzle body, and a seal which seals the fuel injector from a cylinder head of the internal combustion engine. The seal has a sleeve-type design with a structured cross section and extends across the axial length of the nozzle body.

Abstract: To effectively reduce operational noise generated by vibration of the fuel injection valve with a fuel injection valve installation structure of an engine. In the structure, an installation hole is formed in an engine component member that constitutes a part of an engine. The installation hole has an annular shoulder portion, which is formed in the middle portion thereof, and which faces the exterior side. The fuel injection valve is held between the annular shoulder portion and a supporting member attached to the engine component member. A first damper, with high vibration-damping properties, is set between an annular shoulder portion and a fuel injection valve. A second damper, with high vibration-damping quality, is set between a supporting member and the fuel injection valve.

Abstract: A vehicle is capable of improving layout flexibility for a fuel injector to an intake passage and preventing fuel from sticking to the inner wall surface of the intake passage. The vehicle includes an engine, an intake passage arranged to supply air to the engine, and a fuel injector mounted on a midsection of the intake passage and arranged to supply fuel to the engine. The intake passage is arranged to continue from the inlet opening of the engine. The intake passage includes an intake passage portion having an upper section extending upward substantially in the vertical direction and an intake passage portion arranged to continue from the upper section of the intake passage portion and have a section bent in the lateral direction of the vehicle body. The fuel injector is mounted to the intake passage portion having the section that is bent in the lateral direction of the vehicle body.

Abstract: In a mounting structure for mounting an injector to an internal combustion engine, a fixing member is inserted into a hole of a cylinder head in an axial direction. Thus, the injector is fixed between the fixing member and the cylinder head. A connector portion of the fixing member is inserted into the hole of the cylinder head together with the fixing member. Therefore, the connector portion of the fixing member can be easily connected with a connector portion of the injector even if the hole of the cylinder head is deep. A first socket provided on an end of the connector portion of the fixing member opposite from the injector is disposed outside the cylinder head. Therefore, the injector can be easily connected with a power source.

Abstract: A support element for the mutual support of a fuel injector in a valve seat, in particular of the valve seat of a cylinder head of an internal combustion engine, and of the fuel injector at a fuel distribution line has a clasp and thereon developed radially and axially deformable clips.

Abstract: An improved fuel supply pipe in a multiple throttle body comprising two fuel injection valves comprises a first fuel supply pipe 1 having a first one side inserting pipe 1c, a first another side inserting pipe 1d and a fuel flow-in pipe 1b, a second fuel supply pipe 2 having a second one side inserting pipe 2b and a second another side inserting pipe 2c and a fuel connection pipe 3 for connecting these pipes 1 and 2, a first one side inserting pipe 1c is inserted into one side first inserting hole 10c, a second one side inserting pipe 2d is inserted into one side second inserting hole 11c, a first another side inserting pipe 1d is inserted into another side first inserting hole 12c, and a second another side inserting pipe 2c is inserted into another side second inserting hole 13c.

Abstract: In a fuel injection system including at least one fuel injector which includes an inflow section and a fuel distributor line which includes for each fuel injector a coupling connection, an annular gasket support is provided for a sealing connection of the inflow section with the coupling connection; this gasket support cooperates with a first sealing element for sealing the gasket support from an end face of the inflow section and includes a second sealing element for sealing the gasket support from the coupling connection. A guide section of the inflow section passes through the gasket support, and a retaining ring is provided on the inflow section secures the gasket support so that it is movable in the radial direction between the retaining ring and the end face.

Abstract: A fuel rail cup is provided with a lead-in volume of one-third a receiving volume of the fuel rail cup that allows insertion of an O-ring mounted on a fuel injector inlet to be inserted at 20 pound-force or less. A method of inserting the fuel injector inlet with an O-ring surrounding the fuel injector inlet into a receiving volume of a fuel rail cup is also provided.

Abstract: An air induction manifold has manifold air passages. A carrier has air passages to communicate air from the manifold air passages to an engine. The carrier has a first sealing interface for a manifold and a second sealing interface for an engine cylinder. The first sealing interface seals the communication of air between the manifold air passage and the carrier air passage. A valve is mounted to the carrier that controls the communication of air through the carrier air passage.

Abstract: A fuel supply apparatus is provided for an intake manifold and a fuel injection system that can be easily and reliably mounted together by a mounting structure, even when the intake manifold has an integrated design in which air intake branches curve steeply upward from a downward side to an upstream side. With this fuel supply apparatus, the fuel injection system is mounted with coupling bolts on the top surface of the outer wall of the downstream portion of the intake manifold. The threads of the bolts engage internal threaded bores in the fuel injection system. The heads of the bolts are disposed on a reverse side of a top surface of an outer wall of the intake manifold, with internal threaded bores of the fuel injection system being disposed on a side of the top surface of the outer wall of the intake manifold.

Abstract: A fuel injection system, in particular for direct injection of fuel into the combustion chamber of an internal combustion engine has a plurality of fuel injectors, whose injection ends, at least, are situated in receptacle bore holes of a cylinder head. The inlet side of the fuel injectors has a connecting piece, which engages with a supply line segment. Pressurized fuel is supplied to the fuel injector via the supply line segment. The connecting piece is sealed off from the supply line segment by a gasket. The gasket has a sleeve-shaped design and has a plastically deformable shaped area, which is plastically deformed during the assembly of the supply line segment with the connecting piece, and has elastic properties while in operation.

Abstract: The invention provides a fuel injection control apparatus of an engine in which a temperature sensor for detecting an engine temperature is inexpensive and a wiring to a control unit is made unnecessary, thereby restricting a system cost low. A control unit (5) is integrally formed with a throttle chamber (3) corresponding to a peripheral device of an engine (1), a temperature sensor (6) detecting an engine temperature is directly attached to a substrate (5b) of the control unit (5), and the temperature sensor (6) estimates an actual engine temperature on the basis of an engine peripheral temperature detected by the temperature sensor (6) by using a correlation data obtained by previously searching a correlation between the engine peripheral temperature detected by the temperature sensor (6) and the actual engine temperature under the same condition, thereby calculating a fuel increase amount and time for the increase amount necessary from a low temperature start to a warm-up finish.

Abstract: A fuel injection nozzle of an engine used to inject fuel oil into the combustion chamber of each cylinder of a diesel engine and fixedly attached to a cylinder head (1) by a fuel injection nozzle retainer (15) supported by a valve arm shaft (11) for supporting a valve arm (14) and an energizing member (35) energizing the fuel injection nozzle retainer (15) in axial direction.

Abstract: A fuel delivery system arrangement is provided which includes a clip having an inner circumferential surface which engages the fuel injector body but has an outer circumferential surface which is inserted within the fuel rail injector cup outlet. Therefore an inadvertent torque placed upon the fuel injector will cause the outer diameter of the clip to engage the interior of the cup and thereafter be prevented from opening.

Abstract: To improve design freedom of fuel supply piping in a V-type engine, and avoid heat from cylinders, first and second fuel distribution pipes (8, 9) are arranged in one side walls (1a, 3e) and the other side walls (1h, 3a) respectively of first and second throttle bodies (1, 3), first and second fuel injection valves (J1, J2) are held to the one side wall (1a) and the other side wall (3a) respectively, first and second fuel connection pipe portions (8e, 9e) protrude toward the other direction X from a first fuel passage boss portion (8a) of the first fuel distribution pipe (8), and one direction Y from a second fuel passage boss portion (9a) of the second fuel distribution pipe (9) respectively, and the first and second fuel connection pipe portions (8e, 9e) are connected to a fuel coupling pipe (13) above inflow ends (1g, 3g) of the first and second throttle bodies and between facing walls (1d, 3d).

Abstract: A fuel injection apparatus having at least one solenoid valve for controlling the fuel injection that is contained in a housing part and a solenoid assembly having a magnetic coil and a magnet armature inserted into a recess of the housing part. A cover piece that can be attached to the housing part fixes the solenoid assembly in the housing part. A spring element is disposed between the cover piece and the solenoid assembly and clamps the solenoid assembly in the housing part. At least one securing element is formed onto the spring element and is of one piece with it, which secures the spring element to the housing part and secures the solenoid assembly in the recess of the housing part without the cover piece being attached to the housing part.

Abstract: To simplify fuel piping for connecting a fuel distribution pipe and a fuel pump in a throttle body comprising two fuel injection valves, a fuel supply pipe F comprises a first fuel supply pipe 1 having a fuel flow-in passage 1b projected from a first cylindrical portion 1a, a first inserting pipe 1c projected in one side direction X, a fuel flow-in passage 1d, and a first fuel supply passage, a second fuel supply pipe 2 having a second insert pipe 2b projected in the direction X from a second cylindrical portion 2a and fuel supply passage 2c, and a fuel connecting pipe 3 connecting the fuel flow-in passage 1d and the second fuel supply passage 2c, and the first and second inserting pipes 1c, 2b are inserted into first and second inserting holes 6d, 7d opened toward another side direction Y from a second fuel distribution pipe 7 respectively.

Abstract: A fuel delivery system is provided having a fuel rail with an outlet. A fuel injector is provided having a body with an outlet and a generally tubular inlet. The tubular inlet of the fuel injector is generally axially slideable into the fuel rail outlet. The fuel injector outlet has a generally noncircular cross-sectional shape and is torsionally restrained by the fuel rail outlet.

Abstract: To improve layout freedom, waterproof and dustproof, a lower cup opening upward side is integrally formed with a throttle body and an upper cup covers the lower cup to form a chamber, a fuel injection valve is fixed to throttle body by a fuel distribution pipe, the fuel injection valve, the fuel distribution pipe and a female type connector fitted to an external connecting connector of the fuel injection valve are arranged within the chamber, a takeout groove is formed in a side wall of the upper cup toward a lower attaching collar portion, and a fuel introduction pipe connected to the fuel distribution pipe and a lead wire connected to the female type connector are drawn out to the external via the takeout groove.

Abstract: A throttle body for controlling a plurality of throttle valves in a multi-cylinder engine. The throttle valves of at least two of the cylinders are structurally connected to each other.

Abstract: A fuel communicating assembly including a base having a wall disposed about a longitudinal axis. The wall having a surface exposed to the longitudinal axis. The surface defining a chamber. The wall having an end that defines an aperture to the chamber. The assembly further including a component having a housing. The housing having an exterior surface. A portion of the exterior surface disposed within the chamber. A metallic member having an inner surface and an outer surface contiguous with the exterior surface of the component. The outer surface is contiguous with the surface of the wall so that the portion of the exterior surface of the component is retained within the chamber and the aperture of the chamber is hermetically sealed. A method of retaining a component within a base is also described.

Abstract: A correction jig is used when installing a resin combustion gas seal in an annular installation groove of a nozzle portion of an injector. The installation groove has an increased diameter portion in a section closer to a body of the injector. When the nozzle portion is caused to pass through the combustion gas seal from a distal end of the nozzle portion to arrange the combustion gas seal at the installation groove, the correction jig receives the combustion gas seal so that the combustion gas seal is prevented from interfering with the increased diameter portion. Thereafter, the correction jig is moved relative to the injector to correct an outer diameter of the combustion gas seal. As a result, the combustion gas seal is optimally installed in the installation groove.

Abstract: A fuel system and associated method include a fuel injector and associated injector cup having an integral device that provides rotational orientation while allowing axial sliding engagement of the fuel injector relative to the cup after assembly. One embodiment includes retention tabs in the cup that engage corresponding grooves in the injector.

Abstract: A cylindrical fuel injector (1) has a projecting part (2) projecting in a lateral direction. A cylinder head (5) has a hole (18) for inserting the fuel injector (1). An elastic member (6) is formed in a cylindrical shape with a notch to have a C-shaped cross-section. The elastic member (6) is fitted to the fuel injector (1) on the opposite side from the projecting part (2) to elastically support the fuel injector (1) in a state where a tip (1a) of the fuel injector (1) is inserted into the hole (18). A support member (3) supports the elastic member (6) and a snap ring (16) prevents deformation of the elastic member (6) in a lateral direction with respect to an axis of the fuel injector (1) under a compressive load exerted by the engine member (5) and the support member (3).

Abstract: A throttle body fixing structure adapted to firmly fix a throttle body to the engine under a simple structure, wherein the throttle body connects to a surge tank made of a plastic material. The vehicle weight is reduced, and maintenance and assembly are simplified. Furthermore, noise and vibration are minimized and the durability is increased.