EP2948675B1 - Installation d'injection de carburant dotée d'un composant d'alimentation en carburant, d'un injecteur de carburant et d'une attache de suspension - Google Patents

Installation d'injection de carburant dotée d'un composant d'alimentation en carburant, d'un injecteur de carburant et d'une attache de suspension Download PDF

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Publication number
EP2948675B1
EP2948675B1 EP14700621.7A EP14700621A EP2948675B1 EP 2948675 B1 EP2948675 B1 EP 2948675B1 EP 14700621 A EP14700621 A EP 14700621A EP 2948675 B1 EP2948675 B1 EP 2948675B1
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EP
European Patent Office
Prior art keywords
fuel
elastically deformable
fuel injection
connecting body
deformable element
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.)
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Application number
EP14700621.7A
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German (de)
English (en)
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EP2948675A1 (fr
Inventor
Michael Fischer
Michael Knorpp
Martin Riemer
Hans-Georg Horst
Philipp Rogler
Markus Friedrich
Michael Mayer
Wilhelm Reinhardt
Andreas Glaser
Jan Herrmann
Andreas Rehwald
Volker Scheef
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.)
Robert Bosch GmbH
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Robert Bosch GmbH
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Publication of EP2948675A1 publication Critical patent/EP2948675A1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/09—Fuel-injection apparatus having means for reducing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/85—Mounting of fuel injection apparatus
    • F02M2200/856—Mounting of fuel injection apparatus characterised by mounting injector to fuel or common rail, or vice versa

Definitions

  • the invention relates to a suspension for fuel injection systems for connecting a fuel injection valve with a fuel-carrying component and a fuel injection system with such a suspension. Specifically, the invention relates to the field of fuel injection systems for mixture-compression, spark-ignition internal combustion engines.
  • the known fuel injection device comprises a fuel injection valve, a receiving bore for the fuel injection valve in a cylinder head and a fuel distributor line with a connecting piece.
  • the fuel injection valve is partially overlapping introduced.
  • a connecting body is arranged such that the fuel injection valve is held therein in such a way that the fuel injection valve and the connecting body are introduced system-free to all not axially parallel to the fuel injection valve extending surfaces or walls of the receiving bore of the cylinder head.
  • the connecting body is only a slotted snap ring. The snap ring engages in a tapered portion of the inlet nozzle of the fuel injection valve.
  • the snap ring In the connecting piece a groove is provided, in which the snap ring is locked securely and firmly.
  • the snap ring has a conical or curved spherical contact surface. A hold-down is clamped between the end face of the spud and a shoulder on the fuel injector.
  • the from the DE 10 2005 020 380 A1 known configuration of the fuel injection device has the disadvantage that between the connecting piece, the Snap ring and the intake manifold vibrations can be transmitted. Specifically, vibrations from the fuel injector can be transmitted to the port.
  • Another suspension for connecting a fuel injection valve with a fuel-carrying component is out US 7 334 571 B known.
  • a conspicuous and disturbing contribution to the overall noise of the engine can be made, which can be described as a valve plug.
  • Such a valve leakage is caused by the rapid opening and closing of the fuel injection valve, in which the valve needle is adjusted with high dynamics in the respective end stops.
  • valve needle in the end stops leads to short-acting, but very high contact forces, which are transmitted via a housing of the fuel injection valve to the cylinder head and to a fuel rail in the form of structure-borne noise and vibrations. This leads to the cylinder head and the fuel rail to a strong noise.
  • the suspension according to the invention with the features of claim 1 and the fuel injection system according to the invention with the features of claim 8 have the advantage that an improved suspension of the fuel injection valve is made possible at the fuel component.
  • a noise reduction by targeted decoupling is possible.
  • a soft connection of the fuel injection valve to the fuel-carrying component can be achieved, which allows a noise reduction of the entire system with the fuel injection system.
  • the suspension and fuel injection system are suitable for gasoline direct injection applications.
  • the fuel-carrying component is in this case preferably designed as a fuel distributor, in particular as a fuel distributor strip.
  • a fuel distributor can on the one hand serve to distribute the fuel to a plurality of fuel injection valves, in particular high-pressure injection valves.
  • the fuel distributor can serve as a common fuel storage for the fuel injection valves.
  • the fuel injectors are then preferably connected to the fuel manifold via corresponding hangers. In operation, the fuel injectors inject the necessary for the combustion process Fuel then under high pressure in the respective combustion chamber.
  • the fuel is in this case compressed via a high-pressure pump and quantity-controlled conveyed via a high-pressure line in the fuel distributor.
  • the fuel nozzle of the fuel injection valve is part of the suspension according to the invention.
  • the fuel-carrying component is not necessarily part of the suspension according to the invention.
  • the connection body of the suspension can also be produced and distributed separately from a tubular base body of a component designed as a fuel distributor strip fuel or other components of the fuel-carrying component.
  • a pre-assembly of the connecting body to one or more further components of the fuel-carrying component take place and, for example, a compound can be produced by welding.
  • the elastically deformable element is arranged so that the connecting body allows at least substantially along the longitudinal axis an elastic support of the fuel nozzle to the connector body.
  • the elastic support is mainly or completely given in the axial direction and not in the radial direction.
  • the connecting body has a fuel nozzle-side retaining element and that the fuel nozzle acts on the fuel nozzle-side retaining element on the elastically deformable element of the connecting body.
  • the elastically deformable element with the fuel nozzle-side retaining element is elastic. When deformable element is connected to the fuel nozzle-side retaining element. In this embodiment, the position of the elastically deformable element is held in an advantageous manner by the fuel nozzle-side retaining element.
  • the connecting body has a connection body-side holding element, that the connection body-side holding element is at least partially partially disposed in the recess of the connection body and that the elastically deformable element is supported on the connection body-side holding member to the connection body.
  • the connection body-side holding element By the connection body-side holding element, the elastically deformable element is also held in position.
  • the elastically deformable member may be connected to the terminal body-side holding member.
  • the connecting body can be designed as a three-component or three-layer connecting body. Each element, namely the fuel nozzle-side retaining element, the elastically deformable element and the connector body-side retaining element, assumes different functions here.
  • the fuel nozzle-side retaining element of the connecting body holds the elastically deformable element in position and forwards the forces from the fuel injection valve to the elastically deformable element. Integrated here is also a tolerance compensation between the longitudinal axes of the fuel nozzle and the longitudinal axis of the receiving space of the connection body.
  • the elastically deformable element dampens the forces transmitted by the fuel injection valve to the fuel component.
  • the elastically deformable element can thus be configured as a damping element.
  • the elastically deformable element is preferably configured with a rigidity of not more than 50 kN / mm. The stiffness of the elastically deformable element can be adjusted by a choice of material and by a geometry of the elastically deformable element.
  • the elastically deformable element can be configured as a disk-shaped and / or annular disk-shaped and / or perforated element. Due to the design of the elastically deformable element in the form of a disc or perforated disc, a geometric influence on the rigidity is possible.
  • the elastically deformable element may be made of a plastic, in particular PEEK (polyether ether ketone).
  • connection body-side holding element has its own function.
  • the connector body-side retaining member holds the elastically deformable member in position and passes the forces from the elastically deformable member on the fuel-carrying component on.
  • a frictional connection between the fuel injection valve and the fuel-carrying component is achieved.
  • the connecting body may be configured as an annular or partially annular connecting body.
  • the connecting body can be designed in this case according to a snap ring.
  • the connecting body is partially arranged partially in the receiving space facing recess of the connecting body.
  • the connecting body is arranged in sections in the recess, since the connecting body is designed partially ring-shaped.
  • the connecting body is partially disposed in the recess, since the connecting body is partially disposed outside of the recess to cooperate with the fuel nozzle accordingly.
  • connecting body as an annular connecting body and a complete partial arrangement in the recess of the connector body is possible. In both cases, an at least partial arrangement is thus provided in the recess.
  • Fig. 1 shows a fuel injection system 1 with a suspension 2 according to a first embodiment and an internal combustion engine 3 in a partial, schematic sectional view.
  • the fuel injection system 1 can be used in particular for high-pressure injection in internal combustion engines 3.
  • the fuel injection system 1 can be used in mixture-compressing, spark-ignited internal combustion engines 3.
  • the suspension 2 is particularly suitable for such a fuel injection system. 1
  • the fuel injection system 1 has a component 4 carrying fuel.
  • the fuel-carrying component 4 is configured in this embodiment as a fuel distributor 4, in particular fuel distributor strip 4.
  • the fuel distributor 4 has an elongated fuel chamber 5, is conveyed in the high-pressure fuel from a high-pressure pump, not shown.
  • the fuel distributor 4 has a plurality of outputs 6, of which in the Fig. 1 For simplicity of illustration only the output 6 is shown. At each of these outputs 6, a fuel injection valve 7 is arranged.
  • the fuel injection valve 7 is connected via the suspension 2 to the output 6 of the fuel distributor 4.
  • the connection of the suspension 2 with the fuel distributor 4 takes place in a suitable manner, which is shown only schematically.
  • the suspension 2 has a connection body 8 with a receiving space 9.
  • the receiving space 9 is configured in this embodiment symmetrical to a longitudinal axis 10 of the receiving space 9 of the connecting body 8.
  • the longitudinal axis 10 coincides in this embodiment with a longitudinal axis 10 of the fuel injection valve 7.
  • the fuel injection valve 7 has a housing 11 with a conical shoulder 12.
  • the conical shoulder 12 is in this case designed on a fuel nozzle 13 of the fuel injection valve 7.
  • the fuel nozzle 13 is at least partially disposed in the receiving space 9.
  • a sealing ring 14 and a support ring 15 are arranged in a circumferential groove 16 of the fuel nozzle 13.
  • the sealing ring 14 is in this case on the inside of the fuel nozzle 13 and on the outside of an inner wall 17 of the connecting body 8.
  • the circumferential groove 16 is located in the region of an inlet-side end 18 of the fuel nozzle 13, via which fuel is fed into the fuel injection valve 7 during operation.
  • the suspension 2 also has a connecting body 20, which is formed from a plurality of elements, namely a fuel nozzle-side retaining element 21, a connecting-body-side retaining element 22 and an elastically deformable element 23.
  • the connecting body 8 has a receiving space 9 facing recess 24, which is configured in this embodiment as a circumferential annular groove.
  • the connecting body 20 is partially arranged in the recess 24 of the connecting body 8.
  • the connection-body-side holding element 22 is partially arranged in the recess 24 of the connection body 8.
  • the fuel nozzle in the region of the conical shoulder 12 has a recess 25.
  • the recess 25 is bounded on the one hand by the conical shoulder 12 of the fuel nozzle 13 and on the other hand by a shoulder 26.
  • the shoulder 26 is oriented perpendicular to the longitudinal axis 10 in this embodiment.
  • the elastically deformable member 23 is disposed between the fuel nozzle side holding member 21 and the connector body side holding member 22.
  • the elastically deformable element 23 essentially allows an elastic deformation of the connecting body 20 along the longitudinal axis 10.
  • an elastic support of the fuel nozzle 13 on the connecting body 8 along the longitudinal axis 10 is made possible.
  • the elastically deformable element 23 is arranged so that the connecting body 20 substantially along the longitudinal axis 10 allows an elastic support.
  • the elastically deformable element 23 is preferably configured as a disk-shaped and / or annular disk-shaped and / or perforated element 23.
  • the holding element 21 holds the elastically deformable element 23 in position and directs the forces from the fuel stub 13 on the elastically deformable element 23 on.
  • the holding element 22 holds the elastically deformable element 23 in position and passes the forces from the elastically deformable element 23 on the connection body 8 and thus on the fuel-carrying component 4 on.
  • the transmitted from the fuel injection valve 7 leading to the component 4 components are damped. This leads to a vibration damping and noise reduction.
  • connection-body-side holding element 22 and the elastically deformable element 23 of the connecting body 20 are located outside the recess 24.
  • connection-body-side holding element 22 and / or the elastically deformable element 23 may also be partially in the recess 24 of the connection body 8 are located.
  • Fig. 2 shows a suspension according to an unclaimed configuration of the in Fig. 1 shown fuel injection system 1 in a sectional view along the section line designated II.
  • the connecting body 20 is configured in this embodiment as a U-shaped bracket 20.
  • the connecting body 20 has a first arm 30, a second arm 31 and a connecting sheet 32. Via the connecting bow 32, the first arm 30 is connected to the second arm 31.
  • the arms 30, 31 of the connecting body 20 extend through the receiving space 9 of the connecting body 8.
  • the fuel injection valve 7 with the fuel nozzle 13 is not shown here for simplicity of illustration.
  • a plurality of recesses 24, 24 A, 24 B, 24 C are arranged in the connecting body 8, which are connected to the receiving space 9.
  • the arms 30, 31 of the connecting body 20 are guided through the recesses 24, 24A, 24B, 24C.
  • the connecting bend 32 of the connecting body 20 strikes against an outer side 33 of the connecting body 8.
  • Fig. 3 shows a cross section of the connecting body 20 of FIG Fig. 2 shown suspension 2 in a schematic view along the designated III cutting line.
  • the holding elements 21, 22 each have a semicircular cross section 34, 35. When viewed in cross-section, this results in straight edges 36, 37.
  • the straight edges 36, 37 in this exemplary embodiment are thus chords of the cross sections 34, 35 on the basis of circular diameters running along the diameter. In a modified embodiment, the straight edges 36, 37 may also extend along other chords of the underlying circle.
  • the Cross-sections 34, 35 can also generally be configured as circle segments 34, 35 in such an embodiment.
  • the elastically deformable element 23 is viewed in cross section between the straight edges 36, 37 of the cross sections 34, 35 are arranged.
  • the outer holding elements 21, 22 are used for positioning and chambering of the elastically deformable element 23.
  • the fuel nozzle-side holding element 21 directs the force from the fuel injection valve 7 to the elastically deformable element 23.
  • the connecting body-side holding element 22 ensures a support of the elastically deformable element 23 on the connecting body 8.
  • the elastically deformable element 23 may in this case also be formed from a wire mesh, which is joined between the holding elements 21, 22. The joining can be done for example by pressing and / or welding.
  • Such a knitted fabric for designing the elastically deformable element 23 can be designed so that a rigidity of the entire connecting body 20 of not more than 50 kN / mm is achieved.
  • the design can be influenced by a weight, a density and a wire thickness of a wire knit serving for the elastically deformable element 23.
  • the elastically deformable element 23 then additionally dampens the movement transmitted by the fuel injection valve 7 to the connecting body 8 and thus the transmitted structure-borne noise, resulting in less noise.
  • the elastically deformable element 23 is also possible.
  • Fig. 4 shows the in Fig. 3 illustrated cross-section of the connecting body 20 according to another example not claimed.
  • the cross sections 34, 35 of the holding elements 21, 22 as U-shaped cross-sections 34, 35 configured.
  • In cross-section therefore results in an embodiment of the arms 30, 31 corresponding to two facing U-shaped shells.
  • the elastically deformable element 23 is in each case partially inserted into the two inner spaces 42, 43 of the holding elements 21, 22. This joining can be done for example by pressing or welding.
  • the elastically deformable element 23 can be connected, on the one hand, to the fuel nozzle-side retaining element 21 and, on the other hand, to the connector-body-side retaining element 22.
  • Fig. 5 shows the in Fig. 1 with V designated section of the fuel injection system 1 according to a further embodiment in a schematic sectional view.
  • the connecting body 20 the fuel nozzle-side holding member 21 and the elastically deformable member 23.
  • the fuel nozzle-side retaining element 21 essentially ensures the holding function.
  • the elastically deformable element 23 essentially ensures the elastic deformability along the longitudinal axis 10.
  • a low rigidity in particular a rigidity of not more than 50 kN / mm, can be achieved.
  • the geometry of the connecting body 20 may in this case be predetermined annular or partially annular.
  • the connecting body 20 may be configured according to a snap ring.
  • a spring travel can be limited.
  • this embodiment is particularly suitable for fuel injection systems 1, in which a high or very high fuel pressure is effective during operation. Because with a very wide range of system pressures, there is the problem that the fuel injection valve 7 otherwise could perform too great a movement along the longitudinal axis 10 with respect to the internal combustion engine 3. Such an excessive movement is limited, for example, by an embodiment of the elastically deformable element 23 as a plate spring 23. Because of this, the movement along the longitudinal axis 10 is limited by a maximum spring travel 44. After going through the Spring travel 44, the elastically deformable element 23 is then pressed block and thus, so to speak, flat.
  • the elastically deformable element 23 may also be configured in another way.
  • the elastically deformable element 23 may also be designed so that there is no path limitation. This is possible in particular by an embodiment of the elastically deformable element 23 made of an elastically deformable plastic.
  • Fig. 6 shows the in Fig. 5 shown section of the fuel injection system 1 according to another example not claimed.
  • the connecting body 20 is formed of only one element 23, namely the elastically deformable element 23.
  • the elastically deformable element 23 may in this case be configured annular or partially annular.
  • the elastically deformable element 23 may be configured according to a snap ring.
  • the elastically deformable element 23 may also be designed as a U-shaped headband, as shown in the Fig. 2 is illustrated.
  • the recess 25 is limited on the one hand by the conical shoulder 12 and on the other hand by a further conical shoulder 45.
  • An opening angle 46 for the conically shaped shoulder 45 is selected in this case in combination with a geometry of the elastically deformable element 23 so that an advantageous degressive spring characteristic for the elastic suspension of the fuel injection valve 7 is achieved on the connection body 8.
  • a linear spring characteristic or a progressive spring characteristic can also be achieved. This can be achieved by a suitable choice of the opening angle 46 and a suitable geometric configuration of the elastically deformable element 23.
  • a soft suspension 2 for attaching the fuel injection valve 7 to the fuel-carrying component 4 can be realized.
  • a significant reduction of noise is possible. This can be achieved by a significant reduction of the transmitted structure-borne noise from the fuel injection valve 7 to the fuel-carrying component 4.
  • this noise reducing measure can be used in addition to other noise reducing measures, such as a hydraulic throttle at the upstream end 18 of the fuel nozzle 13 and a soft Railverschaubung.
  • the elastically deformable element 23 may in this case consist of one or more suitable materials.
  • the elastically deformable element 23 can obtain its elasticity by a suitable choice of the material and / or by a suitable geometric configuration.
  • the elastically deformable element 23 are also made of a bent piece of sheet metal, wherein the elasticity is predetermined by a sheet thickness and a suitable bend. The sheet thickness can also vary locally.
  • the rigidity can also be influenced by additional geometrical elements in the case of a disk-shaped, elastically deformable element 23.
  • a disk-shaped ausgestaltetes element 23 may be configured as a perforated disc 23 in order to influence the elasticity accordingly.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Claims (8)

  1. Attache de suspension (2) pour des installations d'injection de carburant (1) en vue de la jonction d'une soupape d'injection de carburant (7) avec un composant (4) guidant le carburant,
    dans laquelle un corps de raccordement (8) avec un compartiment formant logement (9) est prévu ;
    dans laquelle une tubulure de carburant (13) de la soupape d'injection de carburant (7) est mise en place et peut être disposée, tout au moins en partie, dans le compartiment formant logement (9) ; et
    dans laquelle un corps de liaison (20) est prévu, lequel est disposé en partie, tout au moins dans certaines sections, dans tout au moins une cavité (24) du corps de raccordement (8), laquelle cavité est reliée au compartiment formant logement (9) et peut venir s'appuyer sur la tubulure de carburant (13), le long d'un axe longitudinal (10) du compartiment formant logement (9) ;
    dans laquelle le corps de liaison (20) présente un élément (23) élastiquement déformable ; et en ce que l'élément (23) élastiquement déformable est disposé de telle sorte que le corps de liaison (20) permet, tout au moins en partie le long de l'axe longitudinal (10), un appui élastique de la tubulure de carburant (13) sur le corps de raccordement (8) ;
    caractérisée en ce que
    le corps de liaison (20) présente un élément de maintien (21) qui se situe du côté de la tubulure de carburant (13) ; et en ce que la tubulure de carburant (13) agit sur l'élément (23) élastiquement déformable du corps de liaison (20) par l'intermédiaire de l'élément de maintien (21) qui se situe du côté de la tubulure de carburant (13),
    dans laquelle l'élément de maintien (21) qui se situe du côté de la tubulure de carburant (13) et l'élément (23) élastiquement déformable sont des pièces distinctes et sont installés ensemble dans un évidement (25) de la tubulure de carburant (13).
  2. Attache de suspension selon la revendication 1,
    caractérisée en ce que
    l'élément (23) élastiquement déformable est disposé de telle sorte que le corps de liaison (20) permet, tout au moins pour l'essentiel le long de l'axe longitudinal (10), un appui élastique de la tubulure de carburant (13) sur le corps de raccordement (8).
  3. Attache de suspension selon la revendication 1,
    caractérisée en ce que
    l'élément (23) élastiquement déformable est relié à l'élément de maintien (21) qui se situe du côté de la tubulure de carburant.
  4. Attache de suspension selon l'une des revendications 1 à 3,
    caractérisée en ce que
    le corps de liaison (20) présente un élément de maintien (22) qui se situe du côté du corps de raccordement, en ce que l'élément de maintien (22) qui se situe du côté du corps de raccordement est disposé, tout au moins dans certaines sections, en partie dans la cavité (24) du corps de raccordement (8) ; et en ce que l'élément (23) élastiquement déformable vient s'appuyer sur le corps de raccordement par l'intermédiaire de l'élément de maintien (22) qui se situe du côté du corps de raccordement (8).
  5. Attache de suspension selon la revendication 4,
    caractérisée en ce que
    l'élément (23) élastiquement déformable est relié à l'élément de maintien (22) qui se situe du côté du corps de raccordement (8).
  6. Attache de suspension selon l'une des revendications 1 à 5,
    caractérisée en ce que
    l'élément (23) élastiquement déformable est conçu sous la forme d'un élément (23) percé et/ou en forme de disque et/ou en forme de disque annulaire.
  7. Attache de suspension selon l'une des revendications 1 à 6,
    caractérisée en ce que
    le corps de liaison (20) est conçu sous la forme d'un corps de liaison (20) en forme de bague ou en forme de bague partielle.
  8. Installation d'injection de carburant (1), en particulier pour des moteurs à combustion interne, à compression de mélange et à auto-allumage, avec tout au moins un composant (4) guidant le carburant, avec tout au moins une soupape d'injection de carburant (7) et avec tout au moins une attache de suspension selon l'une des revendications 1 à 7, dans laquelle la soupape d'injection de carburant (7) est suspendue au composant (4) guidant le carburant par l'intermédiaire de l'attache de suspension (2).
EP14700621.7A 2013-01-22 2014-01-14 Installation d'injection de carburant dotée d'un composant d'alimentation en carburant, d'un injecteur de carburant et d'une attache de suspension Active EP2948675B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013200982.8A DE102013200982A1 (de) 2013-01-22 2013-01-22 Brennstoffeinspritzanlage mit einer Brennstoff führenden Komponente, einem Brennstoffeinspritzventil und einer Aufhängung
PCT/EP2014/050563 WO2014114522A1 (fr) 2013-01-22 2014-01-14 Installation d'injection de carburant dotée d'un composant d'alimentation en carburant, d'un injecteur de carburant et d'une attache de suspension

Publications (2)

Publication Number Publication Date
EP2948675A1 EP2948675A1 (fr) 2015-12-02
EP2948675B1 true EP2948675B1 (fr) 2017-06-28

Family

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EP14700621.7A Active EP2948675B1 (fr) 2013-01-22 2014-01-14 Installation d'injection de carburant dotée d'un composant d'alimentation en carburant, d'un injecteur de carburant et d'une attache de suspension

Country Status (6)

Country Link
US (1) US10174734B2 (fr)
EP (1) EP2948675B1 (fr)
KR (1) KR20150107757A (fr)
CN (1) CN105026747B (fr)
DE (1) DE102013200982A1 (fr)
WO (1) WO2014114522A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013200993A1 (de) * 2013-01-22 2014-07-24 Robert Bosch Gmbh Brennstoffeinspritzanlage mit einer Brennstoff führenden Komponente, einem Brennstoffeinspritzventil und einer Aufhängung
DE102016211830A1 (de) * 2016-06-30 2018-01-04 Robert Bosch Gmbh Aufhängung für Brennstoffeinspritzanlagen
WO2018007188A1 (fr) * 2016-07-05 2018-01-11 Robert Bosch Gmbh Moyen de retenue d'injecteur de carburant
DE102017219628A1 (de) * 2017-11-06 2019-05-09 Robert Bosch Gmbh Einspritzanlage, insbesondere Brennstoffeinspritzanlage, mit einer Fluid führenden Komponente, einem Zumessventil und einer Aufhängung
DE102017219626A1 (de) * 2017-11-06 2019-05-09 Robert Bosch Gmbh Einspritzanlage, insbesondere Brennstoffeinspritzanlage, mit einer Fluid führenden Komponente, einem Zumessventil und einer Aufhängung
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US20160076503A1 (en) 2016-03-17
EP2948675A1 (fr) 2015-12-02
CN105026747B (zh) 2018-10-23
US10174734B2 (en) 2019-01-08
WO2014114522A1 (fr) 2014-07-31
DE102013200982A1 (de) 2014-07-24
KR20150107757A (ko) 2015-09-23
CN105026747A (zh) 2015-11-04

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