DE602004000933T2 - Fuel injection device for an internal combustion engine, in particular of a motor vehicle - Google Patents

Fuel injection device for an internal combustion engine, in particular of a motor vehicle

Info

Publication number
DE602004000933T2
DE602004000933T2 DE200460000933 DE602004000933T DE602004000933T2 DE 602004000933 T2 DE602004000933 T2 DE 602004000933T2 DE 200460000933 DE200460000933 DE 200460000933 DE 602004000933 T DE602004000933 T DE 602004000933T DE 602004000933 T2 DE602004000933 T2 DE 602004000933T2
Authority
DE
Germany
Prior art keywords
cannula
nozzle
injector
bore
rail
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DE200460000933
Other languages
German (de)
Other versions
DE602004000933D1 (en
Inventor
Alain Bredeka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PSA Automobiles SA
Original Assignee
Peugeot Citroen Automobiles SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to FR0303373A priority Critical patent/FR2852636B1/en
Priority to FR0303373 priority
Application filed by Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Publication of DE602004000933D1 publication Critical patent/DE602004000933D1/en
Application granted granted Critical
Publication of DE602004000933T2 publication Critical patent/DE602004000933T2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/168Assembling; Disassembling; Manufacturing; Adjusting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M51/00Fuel-injection apparatus characterised by being operated electrically
    • F02M51/005Arrangement of electrical wires and connections, e.g. wire harness, sockets, plugs; Arrangement of electronic control circuits in or on fuel injection apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M55/00Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/004Joints; Sealings
    • F02M55/005Joints; Sealings for high pressure conduits, e.g. connected to pump outlet or to injector inlet
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M55/00Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/02Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
    • F02M55/025Common rails
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/14Arrangements of injectors with respect to engines; Mounting of injectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/16Sealing of fuel injection apparatus not otherwise provided for
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/80Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/803Fuel injection apparatus manufacture, repair or assembly using clamp elements and fastening means; e.g. bolts or screws
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/85Mounting of fuel injection apparatus
    • F02M2200/856Mounting of fuel injection apparatus characterised by mounting injector to fuel or common rail, or vice versa

Description

  • The present invention relates to a device for injecting fuel for an internal combustion engine, in particular for a motor vehicle, see for example US 6,564,755 B ,
  • The Internal combustion engines include fuel injectors, the on the one hand with a rail for the supply of fuel and on the other hand with means for electrical Connect connected to a motor control computer.
  • each Injector includes a lower end for injection, an upper one End for the supply destined to the fuel rail to be connected, and a connector that has electric cables connected to an electromagnetic coil that is inside the Injection device is arranged and the displacement of the needle controls this injector.
  • The Supply rail has parallel nozzles, which are substantially perpendicular to the longitudinal axis extend the rail, each of these nozzles is provided such that they are on the end for the supply of an injection device fits.
  • in the Generally, first the injectors are mounted on the cylinder head of the machine and subsequently The supply rail is mounted by placing each nozzle directly is arranged on an upper end of an injection device or by putting a sleeve between the nozzle and the top of each injector.
  • Around to achieve a good efficiency of the internal combustion engine and To effectively combat the pollutant emission, every injector must precise in the cylinder head be positioned. Consequently, during assembly or at each Intervention in the field of customer service the position of each injector precise be hired, what troublesome operations and therefore the risks of a bad attitude multiplied.
  • The The invention aims to avoid these disadvantages by making provides a device for injecting fuel, the particular easy to install on the internal combustion engine is.
  • The The invention thus has an apparatus for injecting fuel for one Internal combustion engine, in particular in a motor vehicle, the subject, of the type that a rail for the supply of fuel includes a longitudinal body and for each injector a nozzle, which extends substantially perpendicular to the axis of the body, and an electrical connection to a conductor dedicated thereto is to be connected to a motor control computer, characterized in that it is for each injector a cannula for the Connection of the injector with the corresponding nozzle of the rail includes, at each of its ends a ball joint and an organ for blocking in the connecting position, to an indecomposable unit, the the rail, the cannulas and the injectors comprises.
  • According to further features of the invention:
    • - Each end of the cannula is provided with an element for sealing with the end of the nozzle or the injection device,
    • Each nozzle has at its connection end with the cannula a bore for positioning one end of the cannula and comprises a hemispherical bottom and a beveled inlet,
    • The bore of the nozzle has a throat intended to cooperate with the cannula's blocking member,
    • Each injector has at its connection end with the cannula a bore for the positioning of one end of the cannula and comprises a hemispherical bottom and a chamfered inlet,
    • The bore of the nozzle has a throat intended to cooperate with the cannula's blocking member,
    • The bore of each nozzle has a shape matching that of the bore of each injector,
    • Each end of the cannula has a cylindrical portion with a complementary shape to the bore of the nozzle or injector, the cylindrical portion having a hemispherical end surface which forms the ball joint with the hemispherical bottom of the bore of the nozzle or injector;
    • - The blocking member is formed at each end of the cannula by an elastic ring which is mounted in a groove which is provided in the end, and between a retracted position in the groove, while the cylindrical portion in the bore of the nozzle or the injector inserted, and a position projecting into the throat of the bore to block the cannula, is displaceable,
    • The sealing element comprises a toric seal which is held in the groove by a push-out preventing disc provided in the cylindrical portion of each end of the cannula,
    • - The rail, the cannulas and the upper ends of each injector are made of plastic poured, in which the electrical connection of each injector is inserted.
  • The Features and advantages of the invention will become apparent in the course of the following Description clearly, which is given by way of example and based on the enclosed Drawing refers, in which
  • 1 is a schematic perspective view of an inventive device for injection prior to assembly to an internal combustion engine,
  • 2 a schematic cross-sectional view of a rail of the device according to the invention for injection,
  • 3 is a schematic axial sectional view of the upper part of an injection device of the injection device according to the invention,
  • 4 is a schematic axial sectional view of a cannula of the device according to the invention for Einpitzen
  • 5 a schematic cross-sectional view of a cylinder head of an equipped with an inventive device for injecting internal combustion engine is.
  • In 1 is shown in a schematic perspective view of a device for injection, as a whole by the reference numeral 1 designated, which is intended to the injectors 40 an internal combustion engine to provide fuel and electrical energy.
  • In the in 1 In the embodiment shown, the injection device comprises four injectors 40 , each one a lower end 41 for the injection and an upper end 42 for the supply intended to an injection pipe or rail 10 to be connected.
  • As in 1 and 2 is shown has the supply line or rail 10 a longitudinal body 11 through, through which an axial channel 12 which is intended to be connected to a not shown fuel supply system. The line or rail 10 also includes four nozzles 13 which are parallel to each other and substantially perpendicular to the longitudinal axis of the body 11 the rail 10 extend. Through each nozzle 13 runs a channel 14 that at one end 14a in the axial channel 12 and at another end 14b in a hole 15 at the free end of the corresponding nozzle 13 is provided, flows.
  • Regarding 2 will now be a hole 15 a nozzle 13 described, wherein the bore of each other nozzle is completely equal.
  • As shown in this figure, the bore points 15 from the end 14b of the canal 14 to the free end of the nozzle 13 a hemispherical bottom 15a a first cylindrical section 15b , a second cylindrical section 15c with a diameter larger than that of the first cylindri's section 15b is, and one with a chamfer 15 provided inlet. The second cylindrical section 15c is with a throat 16 Mistake.
  • Regarding 3 becomes an upper end 42 an injection device 40 described, which is intended with the rail 10 to be connected; the end of each other injector is similar.
  • This upper end 42 the injection device 40 has a hole 43 on top, which has a hemispherical bottom 43a a first cylindrical section 43b , a second cylindrical section 43c with a diameter larger than that of the first cylindrical section 43b is, and one with a chamfer 43d provided with a sealed inlet. The second cylindrical section 43c has a throat 44 on.
  • Consequently, the hole points 15 every nozzle 13 the rail 10 a shape that matches that of the hole 43 each injector 40 matches.
  • In addition, the injection device for each injector 40 a cannula 20 for the connection of the injector 40 with the nozzle 13 the rail 10 on.
  • In general, every cannula has 10 at each of its ends, a ball joint and a blocking member in the connecting position to form an integral assembly comprising the rail 10 , the cannulas 20 and the injectors 40 includes, as will be seen later.
  • It will now be with reference to 4 a cannula 20 described, with the other cannulas are completely the same.
  • As this figure shows, the cannula is 20 from a body 21 cylindrical basic shape formed by an axial channel 22 runs, at each end of the body 21 flows and destined to the channel 14 the nozzle 13 with the appropriate injection device 40 to connect.
  • The body 21 the cannula 20 has two ends, 23 respectively. 24 which are the same, thereby providing a specific mounting direction of the cannula 20 avoided becomes; therefore it is possible the end 23 either in the hole 15 the nozzle 13 or in the hole 43 the injection device 40 to assemble and the end 24 either in the hole 15 or in the hole 43 to assemble.
  • The end 23 of the body 21 the cannula 20 has a hemispherical end surface 23a and a cylindrical portion with one to the holes 15 and 43 complementary shape on, the first part 23b and a second part 23c with a diameter larger than that of the first part 23b is included.
  • The part 23c is with an organ to block in the hole 15 or in the hole 43 provided, consisting of an elastic ring 26 of the type circlip is formed, which in a groove 27 is used. This elastic ring 26 is, as will be seen later, between one in the groove 27 retracted position during assembly of the cannula 20 , and one in the throat 16 or 44 the bore 15 or 43 shiftable position above.
  • The first part 23b the cylindrical portion of the end 23 is also equipped with a hole sealing element 15 or the bore 43 provided that from an O-ring 28 and one in a groove 30 used Herausdrückverhinderungsscheibe is formed.
  • The same is the end 24 of the body 21 the cannula 20 a hemispherical end surface 24a and a cylindrical portion having a first part 24b and a second part 24c with a larger diameter. The second part 24c is equipped with a blocking device, which consists of an elastic ring 31 is formed of the type retaining ring, so in a groove 32 he sits between one in the groove 32 withdrawn position, at the introduction of the end 24 the cannula 20 into the hole 15 or in the hole 43 , and one in the throat 16 or 44 protruding position to the cannula 20 to block, is displaceable, as will be seen later.
  • The part 24b of the end 24 the cannula 20 is with an element for sealing with the bore 15 or the bore 43 provided that from an O-ring 33 and one in a groove 35 used Ausschdrückverhinderungs disc is formed.
  • The assembly of the assembly from the rail 10 , the cannulas 29 and the injectors 40 is performed as follows.
  • For simplicity, it is assumed that the end 23 the cannula 20 destined to be in the hole 15 the nozzle 13 to be arranged, and that the end 24 destined to be in the hole 43 the injection device 40 to be arranged. However, considering the symmetry of the ends 23 and 24 also the opposite possible, whereby each mounting direction is avoided.
  • The end 23 the cannula 20 gets into the hole 15 the nozzle 13 pushed in, which initially through the chamfer 15d at the entrance of the hole 15 is provided, the displacement of the elastic ring 26 in the retracted position and then the displacement of this elastic ring 26 in a protruding position, when this elastic ring 26 opposite the throat 16 is effected. In this position is the cannula 20 with the rail 10 firmly connected and due to the fact that the ring 26 not accessible from the outside, not dismountable. The seal between the end 23 the cannula 20 and the hole 15 the nozzle 13 is realized by the O-ring 28.
  • The contact of the hemispherical end surface 23a with the hemispherical bottom 15a forms a ball joint, giving a swivel range of the cannula 20 in relation to the nozzle 13 allows.
  • The same operation is done for each cannula 20 in a nozzle 13 the rail 10 repeated.
  • Subsequently, each injector 40 on a cannula 20 assembled.
  • This will be the end 24 of the body 21 the cannula 20 into the hole 43 pushed, what with the sliding the displacement of the elastic ring 31 through the chamfer 43d at the end of the hole 43 , between one in the groove 32 retracted position and a protruding position when this ring 31 opposite the throat 44 entails, to the injector 40 with the cannula 20 firmly connect. This injector 40 is due to the fact that the elastic ring 31 not accessible from the outside, not dismountable.
  • The seal between the end 24 the cannula 20 and the hole 43 the injection device 40 is through the O-ring 33 achieved.
  • The contact of the hemispherical end surface 24a with the hemispherical bottom 43a forms a ball joint, giving a swivel range of the cannula 20 in relation to the nozzle 13 allows.
  • The same operation is done for each injector 40 repeated.
  • Consequently, the totality that comes from the rail 10 that the body 11 and the nozzles 13 includes the cannulas 20 and the injector gene 40 exists, a coherent and indecomposable unit.
  • The rail 10 , the cannulas 20 and the upper ends 42 the injectors 40 are made of a plastic 45 poured, as in 1 and 5 is shown. In 1 is with one of the cannulas 20 plastic 45 been removed.
  • Finally, the injection device for each injector includes one in the plastic 45 embedded electrical connection 46 , which is connected to an unillustrated electrical connector connected to the rail 15 is mounted and in turn is intended to be connected to a computer for controlling the internal combustion engine.
  • The assembly formed in this way is used in a cylinder head A of an internal combustion engine, as in 5 is shown. This injection device allows the installation of injectors 40 between the two camshafts B of an internal combustion engine, where the accessibility for the hands to install or remove these injectors, is particularly difficult.
  • As 5 shows is each injector 40 vertically positioned in the cylinder head A and rests on horizontal surfaces, so that the positioning accuracy of each injector 40 is easier to comply with mass production.
  • The inventive device for injection forms a cylinder block assembly, which makes it possible is a correctly set and assembled unit for a to obtain good efficiency of the internal combustion engine. Your reliability is higher, because it is no longer necessary, as part of customer service to dismantle the injectors, these on initial assembly while the manufacture of the internal combustion engine can be paired.
  • The Ball joint between each end of the cannula or the corresponding Nozzle the Rail and the injector allows the deviations from the tolerance of the axial distance between the injection line or Rail and the cylinder head of the internal combustion engine to correct. Finally, points the injection device according to the invention has the advantage on, only a single electrical connection for the entirety of the injectors to have what makes possible Save time and achieve better quality when assembling in series.

Claims (11)

  1. Device for injecting fuel for an internal combustion engine, in particular of a motor vehicle, of the type comprising a rail for the supply of fuel, which has a longitudinal body ( 11 ) and for each injector ( 40 ) a nozzle ( 13 ), which are substantially perpendicular to the axis of the body ( 11 ) of the rail ( 10 ), and an electrical connection ( 46 ) with a conductor intended to be connected to a motor control computer, characterized in that it is suitable for each injector ( 40 ) a cannula ( 20 ) for the connection of the injector ( 40 ) with the appropriate nozzle ( 13 ) of the rail ( 10 ) at each end ( 23 . 24 ) a ball joint ( 23a . 24a ) and an organ ( 26 . 31 ) for blocking in the connecting position, to an indecomposable structural unit, the rail ( 10 ), the cannulas ( 20 ) and the injectors ( 40 ).
  2. Device according to claim 1, characterized in that each end ( 23 . 24 ) of the cannula ( 20 ) with an element ( 28 . 33 ) for sealing with the end of the nozzle ( 13 ) or the injection device ( 40 ) is provided.
  3. Device according to claim 1 or 2, characterized in that each nozzle ( 13 ) at its connecting end with the cannula ( 20 ) a hole ( 15 ) for the positioning of an end ( 23 . 24 ) of the cannula ( 20 ) and a hemispherical bottom ( 15a ) and one with a chamfer ( 15d ) provided inlet.
  4. Device according to claim 3, characterized in that the bore ( 15 ) of the nozzle ( 13 ) a throat ( 16 ), which is intended to communicate with the blocking organ ( 26 . 31 ) of the cannula ( 20 ) to cooperate.
  5. Apparatus according to claim 1 or 2, characterized in that each injection device ( 40 ) at its connection end ( 42 ) with the cannula ( 20 ) a hole ( 43 ) for the positioning of an end ( 23 . 24 ) of the cannula and a hemispherical bottom ( 43a ) and one with a chamfer ( 43d ) provided inlet.
  6. Device according to claim 5, characterized in that the bore ( 43 ) of the injector ( 40 ) a throat ( 44 ), which is intended to communicate with the blocking organ ( 26 . 31 ) of the cannula ( 20 ) to cooperate.
  7. Device according to one of claims 1 to 6, characterized in that the bore ( 15 ) of each nozzle ( 13 ) has a shape with that of the bore ( 43 ) of each injector ( 40 ) match Right.
  8. Device according to one of claims 1 to 7, characterized in that each end ( 23 . 24 ) of the cannula ( 20 ) a cylindrical section ( 23b . 23c . 24b . 24c ) with one to the bore ( 15 . 43 ) of the nozzle ( 13 ) or the injection device ( 40 ) has a complementary shape, wherein the cylindrical portion has a hemispherical end surface ( 23a ; 24a ) with the hemispherical bottom ( 15a ; 43a ) of the bore ( 15 ; 43 ) of the nozzle ( 13 ) or the injection device ( 40 ) forms the ball joint.
  9. Device according to one of claims 1 to 8, characterized in that the blocking member at each end ( 23 . 24 ) of the cannula ( 20 ) by an elastic ring ( 26 . 31 ) formed in a groove ( 27 . 32 ) located in the end ( 23 . 24 ) and between one in the groove ( 25b . 30 ) retracted position when the cylindrical portion ( 23b . 23c ; 24b . 24c ) into the hole ( 15 . 43 ) of the nozzle ( 13 ) or the injection device ( 40 ), and one in the throat ( 16 . 44 ) of the bore ( 15 . 43 ) projecting position to the cannula ( 20 ) to block, is displaceable.
  10. Device according to one of claims 1 to 9, characterized in that the sealing element is a toric seal ( 26 . 31 ), which by a Herauspressverhinderungsscheibe ( 29 . 34 ) in the groove ( 30 . 35 ) held in the cylindrical portion of each end ( 23 . 24 ) of the cannula ( 20 ) is provided.
  11. Device according to one of claims 1 to 10, characterized in that the rail ( 10 ), the cannulas ( 20 ) and the upper end ( 42 ) of each injector ( 40 ) made of plastic ( 45 ) into which the electrical element ( 46 ) of each injector ( 40 ) is admitted.
DE200460000933 2003-03-19 2004-03-01 Fuel injection device for an internal combustion engine, in particular of a motor vehicle Active DE602004000933T2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0303373A FR2852636B1 (en) 2003-03-19 2003-03-19 Fuel injection device for internal combustion engine, in particular a motor vehicle.
FR0303373 2003-03-19

Publications (2)

Publication Number Publication Date
DE602004000933D1 DE602004000933D1 (en) 2006-06-29
DE602004000933T2 true DE602004000933T2 (en) 2006-12-28

Family

ID=32799695

Family Applications (1)

Application Number Title Priority Date Filing Date
DE200460000933 Active DE602004000933T2 (en) 2003-03-19 2004-03-01 Fuel injection device for an internal combustion engine, in particular of a motor vehicle

Country Status (4)

Country Link
EP (1) EP1460264B1 (en)
AT (1) AT327425T (en)
DE (1) DE602004000933T2 (en)
FR (1) FR2852636B1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2090772A1 (en) 2008-02-15 2009-08-19 Continental Automotive GmbH Coupling assembly
DE102009050337A1 (en) * 2009-10-22 2011-04-28 GM Global Technology Operations, Inc., Detroit Component unit for a fuel system of an internal combustion engine and internal combustion engine
US8307809B2 (en) 2009-09-29 2012-11-13 GM Global Technology Operations LLC Engine assembly including cam cover mounted fuel rail
DE102017216643A1 (en) * 2017-09-20 2019-03-21 Robert Bosch Gmbh Water injection device of an internal combustion engine

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005051005A1 (en) 2005-10-25 2007-04-26 Robert Bosch Gmbh Fuel injection valve for internal combustion engine has inflow-side end of valve housing in form of long connection shell deformable by radial forces
US20080169364A1 (en) * 2007-01-11 2008-07-17 Zdroik Michael J Welded fuel injector attachment
US7543567B2 (en) * 2007-10-29 2009-06-09 Caterpillar Inc. Fuel system having a one-piece hollow tube connection
EP2093414B1 (en) 2008-02-19 2011-07-20 Continental Automotive GmbH Coupling device
DE602008004620D1 (en) 2008-02-19 2011-03-03 Continental Automotive Gmbh Coupling device
EP2093412B1 (en) 2008-02-19 2011-01-19 Continental Automotive GmbH Coupling device
EP2208883B1 (en) 2009-01-19 2015-07-22 Continental Automotive GmbH Coupling device
JP5682787B2 (en) * 2011-09-26 2015-03-11 株式会社デンソー Fuel injection device
EP2910768A1 (en) * 2014-02-25 2015-08-26 Continental Automotive GmbH Fuel rail assembly for an internal combustion engine and method for producing the same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6564775B1 (en) * 1999-08-03 2003-05-20 Aisan Kogyo Kabushiki Kaisha Fuel delivery pipes
DE10108203A1 (en) * 2001-02-21 2002-08-29 Bosch Gmbh Robert Mounting bracket and method for mounting a fuel injector
US6565128B2 (en) * 2001-07-13 2003-05-20 Siemens Diesel Systems Technology Device and method for coupling a fluid rail with fuel injectors
US6418911B1 (en) * 2001-07-13 2002-07-16 Siemens Diesel Systems Technology Device and procedure for coupling a fluid rail with fuel injectors

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2090772A1 (en) 2008-02-15 2009-08-19 Continental Automotive GmbH Coupling assembly
US8307809B2 (en) 2009-09-29 2012-11-13 GM Global Technology Operations LLC Engine assembly including cam cover mounted fuel rail
DE102010046344B4 (en) 2009-09-29 2019-10-10 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Engine assembly with fuel rail attached to a cam cover
DE102009050337A1 (en) * 2009-10-22 2011-04-28 GM Global Technology Operations, Inc., Detroit Component unit for a fuel system of an internal combustion engine and internal combustion engine
DE102017216643A1 (en) * 2017-09-20 2019-03-21 Robert Bosch Gmbh Water injection device of an internal combustion engine

Also Published As

Publication number Publication date
FR2852636A1 (en) 2004-09-24
AT327425T (en) 2006-06-15
EP1460264B1 (en) 2006-05-24
EP1460264A1 (en) 2004-09-22
FR2852636B1 (en) 2005-06-17
DE602004000933D1 (en) 2006-06-29

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