EP3397850A1 - Komponente einer hydraulischen einrichtung, insbesondere einer brennstoffeinspritzanlage für brennkraftmaschinen - Google Patents
Komponente einer hydraulischen einrichtung, insbesondere einer brennstoffeinspritzanlage für brennkraftmaschinenInfo
- Publication number
- EP3397850A1 EP3397850A1 EP16805143.1A EP16805143A EP3397850A1 EP 3397850 A1 EP3397850 A1 EP 3397850A1 EP 16805143 A EP16805143 A EP 16805143A EP 3397850 A1 EP3397850 A1 EP 3397850A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- duplex steel
- section
- component
- connecting element
- material based
- 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.)
- Withdrawn
Links
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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/004—Joints; Sealings
- F02M55/005—Joints; Sealings for high pressure conduits, e.g. connected to pump outlet or to injector inlet
-
- 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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
-
- 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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
-
- 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
- F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
- F02M2200/8061—Fuel injection apparatus manufacture, repair or assembly involving press-fit, i.e. interference or friction fit
-
- 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
- F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
- F02M2200/8084—Fuel injection apparatus manufacture, repair or assembly involving welding or soldering
-
- 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
- F02M2200/90—Selection of particular materials
- F02M2200/9053—Metals
Definitions
- Component of a hydraulic device in particular a fuel injection system for internal combustion engines
- the invention relates to a component of a hydraulic device, in particular a fluid line of a hydraulic high pressure device and / or a
- Fuel injection system for internal combustion engines relates to the field of fuel injection systems of motor vehicles, in which there is preferably a direct injection of high-pressure fuel into combustion chambers of an internal combustion engine.
- a fuel injection system is known.
- a plurality of components in particular a fuel pump, a fuel rail and injectors are provided, which are interconnected by suitable lines.
- a line which serves to bridge such paths must then optionally also have bends, creases or the like at suitable locations in order to correspond to the spatial conditions.
- the component according to the invention with the features of claim 1 has the advantage that an improved design and mode of operation are made possible.
- an adaptation to geometric specifications can be achieved in an improved manner For example, by a space or due to required joints are required.
- the component can be a fluid line which, during operation, leads to a fluid, in particular a liquid fluid.
- the fluid line may be suitable for a high-pressure device via which a high-pressure fluid is guided during operation.
- the component may be part of a
- Fuel injection system for internal combustion engines in particular, in applications in motor vehicles, however, such a component can also be used in another device, for example in a metering device for
- fluid lines for bridging short and long distances can be realized, with a very flexible adaptation to installation space and installation specifications is possible.
- suitable holding means in particular retaining clips, may be provided to secure the component. In addition to the mechanical attachment, this can also serve to reduce vibrations.
- suitable deformations are required or at least advantageous.
- a simple mounting and dismounting of the fluid line can be advantageous for good adaptability to the internal combustion engine.
- end or branch closures or connection interfaces may be required.
- a corresponding adaptation and optionally an integrated or partially integrated design can be made possible.
- Connection interface are formed.
- the fluid line can be performed at one or both ends in an advantageous manner ready for connection. This simplifies assembly and also prevents assembly errors. In this way, in particular the tightness of the interface can be ensured in an improved manner.
- the diameter and the wall thickness can be at least partially reduced at the part to a geometric adaptation to the serving for the interface
- a austenitic stainless steel which can be used as a material for the component, in particular a fluid line, and interface parts in any case, allows good corrosion resistance compared to, for example, a non-stainless steel, in this regard, a special coating to meet the corrosion resistance of the parts required would.
- the geometry of the line can not be changed significantly, for example, the rigidity of the line or
- a special leadership of the fluid line may be required, which can be achieved in this respect by appropriate bending of the fluid line.
- the bending process or even the production of the fluid line with its interfaces and optionally additional elements, which serve for example for connection, also represent limitations in terms of larger dimensions and wall thicknesses. Specifically, changes, in particular reductions, of a diameter may be required.
- assembly or connection geometries allow
- connection partner For example, given at a pump or to a fuel distributor as a connection partner, and possibly also production-related conditions, for example, with respect to mounting tools, such as electric screwdrivers, assembly aids and test equipment, which may be required for example for leak testing, no further increase in cable dimensions.
- mounting tools such as electric screwdrivers, assembly aids and test equipment, which may be required for example for leak testing, no further increase in cable dimensions.
- the dimensions or the wall thickness of the fluid line can be at least partially increased. Greater rigidity is usually required as the loads on the fluid conduit increase. For example, the hydraulic load due to an increase in the fluid pressure of the hydraulic system or mechanical loads due to vibrations of excited masses. In particular, an increase in fuel pressure may be desired to improve combustion.
- the rigidity and the fatigue strength of the fluid line can be improved without increasing their dimensions, making it difficult to produce or reducing the chemical resistance
- a desired fluid flow per unit time can be realized by using a flexible fluid conduit of small dimensions, wherein the dimensions and the mass or the weight need not be increased.
- a duplex steel is characterized by a mixed microstructure with austenitic and ferritic components.
- the crystallographic structure can also be characterized by
- Additives are influenced.
- nickel (Ni), chromium (Cr), molybdenum (Mo), nitrogen (N) and others, such as copper (Cu) can serve as additives, it being possible to influence the crystallographic structure, in particular by nickel.
- the typical micro structure of a duplex steel provides a basis for the improved material properties.
- Components of a hydraulic device can be realized.
- the rigidity and durability of the component can be improved and fatigue reduced.
- Possible duplex steels on which the base material can be based are steels with the international steel number EN 1.4162, EN 1.4362, EN 1.4662, EN 1.4462, EN 1.4410 and comparable steel types. It should also be understood that such a
- Duplex steel may optionally be suitably modified, in particular by a variation of the proportion of provided additives and / or the omission of at least one additive and / or the addition of at least one additional additive. Furthermore, it is also possible in principle that the part of the basic body, which is formed from a material based on at least one duplex steel, is additionally coated.
- the duplex steel is chosen so that no additional
- Coating is required to meet, for example, the requirements for corrosion resistance.
- connection in particular end connection, different shapes, geometries or wall thicknesses can be realized without the manufacturability is deteriorated. This allows adjustments to different interfaces.
- Duplex steel based material advantageously for further developments according to claim 3 and / or claim 4. If a duplex steel is used for the component, then an optimized corrosion resistance can be achieved, which is advantageous for example in a fuel line. In this case, according to the embodiment according to claim 2, it is particularly advantageous that the part of the main body is formed wholly or substantially of one or more duplex steels.
- the component may be formed entirely of the material based on at least one duplex steel.
- the main body may be formed entirely of this material.
- one or more parts of the base body are formed from such a material.
- the statement that a part of the base body is formed from a material based on at least one duplex steel is to be understood in this case as meaning that this is only a partial development of the
- Basic body of such a material as well as a complete embodiment of the base body comprises such a material.
- a development according to claim 4 has the advantage that, for example, at interfaces or a closure in an advantageous manner, a deformation of the body can be performed. In addition to good manufacturability, optimum corrosion resistance can be achieved at the part which is loaded correspondingly for example because of its interface function.
- a connecting element can be realized, which also has the advantageous properties resulting from the duplex steel to form an interface or the like. This can also fabric and / or positive connections between the
- the connecting element can be based on at least one duplex steel or also a combination of an austenitic steel-based connecting element and a part of the base body based on at least one duplex steel can be realized.
- connection partners in the range of connection of duplex steels or of a duplex steel and an austenitic steel are formed, then this can be done via a thermal connection process.
- a local soldering can be used, which can be made possible in particular by a local inductive heating.
- Welding can also be advantageously used as a thermal bonding process, which can be carried out in a kiln, for example. In this or another way, a cohesive connection can be realized.
- forming and / or folding and / or crimping are ways to make a connection by means of a positive connection. Taking into account the particular application, bonding can also be used to make the connection. It is understood that, in principle, a combination of different
- connection methods can be used.
- a positive connection as can be achieved by crimping, serve as a preparation stage for a thermal bonding process.
- a further development according to claim 6 can be realized in a process technically well producible and heavy duty in operation connection.
- Recess of the connecting element is not necessarily designed cylindrically.
- a stop or a limit can be specified in particular at one stage of the stepped bore when the part is inserted into the recess of the connecting element to
- the stepped bore can hereby
- a pump in particular a high-pressure pump, and a
- Fuel manifolds are interconnected. Advantageous developments according to claim 10 can be realized particularly well by the material based on at least one duplex steel material.
- fluid lines can be produced. Also fluid lines with square or another polygonal
- Cross-section can be configured in a simple manner, which results in a wide range of applications due to the flexible design possibility.
- Seamless, drawn fluid lines, welded fluid lines with round design and those with and not round configuration of the cross section are advantageous examples that can be produced due to the based on at least one duplex steel material.
- Configuration of the cross section of the fluid line can also be realized. This geometrical and / or material differences can be realized.
- different stiffnesses in different radial directions of the cross section may be advantageous in certain applications. This allows, for example, a good flexibility, so low stiffness, and a high
- Fluid line is designed in a bending direction with a particularly small bending radius and at the same time perpendicular to the bending direction deformations, as they can be excited due to vibration, are reduced by the selected high rigidity.
- 1 is a designed as a fuel injection system hydraulic device with at least one component according to a possible embodiment in a partial, schematic representation; 2 shows an excerpt, schematic section through a component according to a first embodiment; 3 shows an excerpt, schematic section through a component according to a second embodiment;
- FIG. 4 shows an excerpt, schematic section through a component according to a third embodiment
- 5 shows an excerpt, schematic section through a component according to a fourth embodiment
- 6 shows a partial, schematic section through a component according to a fifth embodiment
- FIG. 7 shows a cross section of the component shown in FIG. 2 along the section line labeled VII according to a sixth embodiment
- Fig. 8 shows the cross section shown in Fig. 7 of a component according to a seventh embodiment.
- Fig. 1 shows a hydraulic device 1 according to a possible embodiment, in which the hydraulic device 1 is designed as a fuel injection system 1, in a partial, schematic representation.
- the hydraulic device 1 can serve in particular as a high-pressure fuel injection system 1 for internal combustion engines.
- the hydraulic device 1 is designed as a high-pressure hydraulic device 1.
- the hydraulic device 1 is generally suitable for other applications.
- the hydraulic device 1 has a plurality of components 2, 3, 4, a tank 5, a pump 6 embodied here as a high-pressure pump 6 and a plurality of fuel injection valves 7, 8, only the injection valves 7, 8 being shown in the partial representation.
- the hydraulic device 1 is in this case arranged on an excisable and schematically illustrated internal combustion engine 9.
- the injection valves 7, 8 are in this case combustion chambers 10, 11 of the
- the components 2, 3 are formed in this embodiment as fluid lines 2, 3.
- the fluid lines 2, 3 serve as fuel lines 2, 3.
- the fuel line 2 is in this case on the one hand on an interface 12 formed as an interface 12 and on the other hand, formed as a connection point 13 interface 13 with the High pressure pump 6 connected.
- the fluid line 3 is connected, on the one hand, to the high-pressure pump 6 at an interface 14 designed as a connection point 14 and, on the other hand, into the tank 5.
- the components 2, 3 each have a tubular base body 15, 16.
- the fuel distributor 4 has a tubular main body 17 and is formed in this embodiment as a fuel distributor strip 4.
- fuel is sucked from the tank 5 via the fluid line 3 from the high-pressure pump 6 and conveyed under high pressure via the fluid line 2 into the fuel distributor strip 4.
- the fuel stored in the fuel distributor strip 4 under high pressure can then be injected via the injection valves 7, 8 into the combustion chambers 10, 11.
- High pressures of the fuel in particular allow for improved injection, which achieves improved combustion and thus improved exhaust gas values.
- Fuel distributor strip 4 attached.
- fluid lines can also be provided, which are configured, for example, corresponding to the fluid line 2, in order to connect the injection valves 7, 8 with the fuel distributor strip 4.
- FIG. 2 shows a partial, schematic section through a component 2 of the hydraulic device 1 shown in FIG. 1 in accordance with a first embodiment
- Fuel line 2 is formed.
- the component 2 has the tubular base body 15, a connecting element 20 and a fastening element 21.
- the interface 13 designed as a connection point 13 can be realized at one end 22 of the tubular base body 15, the interface 13 designed as a connection point 13 can be realized.
- additional elements 20, 21 are not necessarily provided in modified embodiments, and one or more other elements may be provided at the end 22 or at another location of the tubular base body 15.
- the fastening element 21 has a recess 24, which is formed at least in sections as a bore 24 with an internal thread 25. In this embodiment, the internal thread 25 allows screwing the
- the recess 24 has a bevelled base 26, through which a support surface 26 is formed on the fastening element 21.
- the reason 26 is on one as
- the connecting element 20 has a recess 29.
- the recess 29 is
- the recess 29 is cylindrical, wherein a subsequent to the recess 29 portion 31 is also cylindrical, but formed with a reduced diameter.
- the part 28 is formed in this embodiment at least in the illustrated section along a straight longitudinal line 32.
- Fastener 21 are in this case aligned with respect to the straight longitudinal line 32 and also formed in this embodiment rotationally symmetrical with respect to the longitudinal line 32. A likewise with respect to the longitudinal line 32 rotationally symmetrical
- Gap between the end 22 and the connecting element 20, which initially exists in a manufacturing process is in this embodiment with a
- the bonding material 33 may be a solder 33 or an adhesive 33.
- the bonding material 33 may be a solder 33 or an adhesive 33.
- Connection can also be made by welding, so instead of the
- connection between the end 22 and the connecting element 20 is designed in this embodiment as a high-pressure-resistant connection.
- an end face 34 of the connecting element 20 can be used to seal directly or via a suitable sealing means with respect to a counterpart on the
- the connecting element 20 is then preferably made of a sufficiently hard material with respect to, for example, the copper ring.
- At least the part 28 and here, for example, a part 28 'of the base body 15 is formed of a duplex steel.
- Material for the part 28 are also based on a duplex steel, for example, a proportion of another steel or other metals are added to form the material.
- the part 28 of the main body 15 thus consists of a material based on at least one duplex steel.
- the aforementioned embodiments apply in a corresponding manner also for the other described embodiments.
- the part 28 is formed as a connection part 28.
- the connecting element 20 may also be formed depending on the application and design of a material based on at least one duplex steel. However, it is also possible to use another material, in particular an austenitic steel, for the connecting element 20. The same applies to the
- the connecting element 20 and / or the fastening element 21 may for example also be made of a non-corrosion-resistant steel or a non-corrosion-resistant material, in which case preferably a suitable corrosion protection layer, ie a coating for preventing corrosion, is provided.
- a suitable corrosion protection layer ie a coating for preventing corrosion
- the formation of a non-corrosion-resistant material, in particular steel, is a preferred solution, which is, inter alia, inexpensive.
- a portion 22 of the part 28, namely the end 22, of the base body 15 is inserted into the recess 29 of the connecting element 20.
- the connection of occurring transverse forces, which occur radially to the longitudinal line 32 relieved.
- other embodiments are conceivable in which, for example, by turning or other forming a connection is made.
- the fastener 21 can be screwed onto a corresponding counterpart to the high-pressure pump 6.
- the connecting element 20 is pressed against the counterpart. This creates the connection.
- Connection via the bonding substance 33 or the like is not impaired.
- the tubular base body 15 has an outer geometry 35, which in this case
- Embodiment is given as a circular outer geometry 35. Furthermore, the tubular base body 15 with respect to its interior 36 an opening cross-section 37, which in this embodiment as a circular opening cross-section 37th
- bends 38A to 38G may also be provided, as illustrated in FIG. 1, for example. Such bends 38A to 38G may in this case be formed with suitable curvatures, in particular radii of curvature, and in the limiting case also as bends 38A to 38G. Such bends 38A to 38G are
- FIG. 3 shows an excerptional schematic section through a component 2 according to a second exemplary embodiment.
- the tubular body 15 has a portion 40, a to the portion 40th
- tubular base body 15 in
- Section 42 has a smaller outer geometry 35, in particular a smaller one
- Connection element 20 allows. This can be configured in a possible manner, as described for example with reference to FIG. 2. However, the end 22 can be pressed.
- 4 shows a partial, schematic section through a component 2 according to a third exemplary embodiment.
- the outer geometry 35 and the opening cross-section 37 in the sections 40 and 42 are predetermined at least substantially coincidentally.
- a locally changed geometry 41 is realized.
- Such a locally modified geometry 41 may be designed axially or rotationally symmetrically with respect to the longitudinal line 32.
- asymmetric versions are also conceivable.
- a locally modified geometry 41 on the one hand enables the tuning of hydraulic properties in order to dampen, for example, pressure pulsations running along the longitudinal line 32.
- such locally modified geometries 41 can relate, for example, to the attachment of a sensor, in particular a pressure sensor, or to the connection of an injection valve 7, 8.
- FIG. 5 shows a partial, schematic section through a component 2 according to a fourth exemplary embodiment.
- the fourth exemplary embodiment the
- connection element 20 can be saved.
- the end 22 of the part 28 of the tubular base body 15 is formed both with an enlarged outer geometry 35 and with an enlarged opening cross-section 37. This makes it possible that the end 22 in a region 43 on the support surface 26 of the
- Fastening element 21 is supported. Such a configuration is also particularly advantageous in the case of the component 3 shown in FIG. 1. Since the component 3 has an interface 14 only at one end, it is then possible first to open the end 22
- this embodiment can also be realized in the case of the component 2 shown in FIG. 1 at an interface 12, 13, while at the other
- Interface 12, 13 an embodiment with a connecting element 20 is realized, as described for example with reference to FIG. 2.
- an end face 34 ' is formed, in which an opening 44 is provided.
- FIG. 6 shows a partial, schematic section through a component 2 according to a fifth exemplary embodiment.
- an end 22 is provided with an enlarged outer geometry 35, as described in a corresponding manner with reference to FIG. 5.
- the opening 44 is in this embodiment
- Opening cross-section 37 of the interior 36 is.
- the opening cross section of the opening 44 may also be less than or equal to the opening cross section 37 of the inner space 36.
- portions 40, 41, 42 are provided on the tubular base body 15.
- a wall thickness 45 is described in reference to FIGS. 2 to 5
- Embodiments along the longitudinal line 32 at least approximately constant or at least to such a limited extent changed that, as shown in Fig. 3, both a variation of the opening cross-section 37 and the outer geometry 35 along the longitudinal line 32 via the sections 40, 41st , 42 is possible.
- the wall thickness 45 on the sections 40, 41, 42 changed so that the opening cross-section 37 of the interior 36 along the longitudinal line 32 to the end 22 is constant. This means, in particular, that a change in the wall thickness 45 corresponding to the change in the outer geometry 35 results via the section 41.
- Opening 44 along the longitudinal line 32 does not change. Furthermore, it is understood that other combinations are conceivable, for example, instead of the end 22 with the enlarged outer geometry 35, as shown in FIG. 6, a
- Connecting element 20 are used, as shown for example with reference to FIG. 2 or 3.
- FIG. 7 shows a cross section 50 of the component 2 shown in FIG. 2 along the section line labeled VII according to a sixth embodiment.
- the outer geometry 35 with respect to axes 51, 52 modified from a respect to the longitudinal line 32 rotationally symmetrical configuration.
- the axes 51, 52 are oriented radially to the longitudinal line 32 in this embodiment, so that they intersect at the longitudinal line 32.
- the modification is made in this embodiment such that the outer geometry 35 is greater on the axis 51 than on the axis 52.
- the opening cross-section 37 and / or the outer geometry 35 may be configured at least approximately elliptical.
- other round configurations of the opening cross-section 37 and / or the outer geometry 35 are also advantageous.
- a variation of the wall thickness 45 along a circumferential direction 53 is realized.
- the configuration of the cross-section 50 as shown in FIG. 7, can also refer to a part 28 'of the tubular main body 15, which is arranged, for example, on the bend 38B. Because of the non-symmetrical configuration of the cross-section 50 and / or corresponding variations of the wall thickness 45 different stiffnesses in different radial directions,
- Fig. 8 shows the cross section 50 of the component 2 shown in Fig. 7 according to a seventh embodiment.
- a geometry of the cross section 50 which is not rotationally symmetrical with respect to the longitudinal line 32 is realized.
- the outer geometry 35 and the opening cross-section 37 are based on a rectangular shape, wherein
- Kantenverrundungen 54, 55 are provided. Furthermore, the wall thickness 45 can be varied in a suitable manner. In this embodiment can also
- a tubular base body 15, 16, 17 may be formed from a seamless drawn, tubular member 15, 16, 17.
- the tubular base body 15, 16, 17 are based on a tightly welded sheet metal.
- a flat plate can be bent according to the desired cross-section 50 and welded tight.
- a tubular base body 15, 16, 17 may in particular have a round or rectangular cross section 50.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015226795.4A DE102015226795A1 (de) | 2015-12-29 | 2015-12-29 | Komponente einer hydraulischen Einrichtung, insbesondere einer Brennstoffeinspritzanlage für Brennkraftmaschinen |
PCT/EP2016/079577 WO2017114635A1 (de) | 2015-12-29 | 2016-12-02 | Komponente einer hydraulischen einrichtung, insbesondere einer brennstoffeinspritzanlage für brennkraftmaschinen |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3397850A1 true EP3397850A1 (de) | 2018-11-07 |
Family
ID=57460535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16805143.1A Withdrawn EP3397850A1 (de) | 2015-12-29 | 2016-12-02 | Komponente einer hydraulischen einrichtung, insbesondere einer brennstoffeinspritzanlage für brennkraftmaschinen |
Country Status (6)
Country | Link |
---|---|
US (1) | US20190010907A1 (de) |
EP (1) | EP3397850A1 (de) |
KR (1) | KR20180099700A (de) |
CN (1) | CN108474333B (de) |
DE (1) | DE102015226795A1 (de) |
WO (1) | WO2017114635A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018219368A1 (de) | 2018-11-13 | 2020-05-14 | Robert Bosch Gmbh | Hochdruckeinspritzanlage mit einem Hochdruckleitungssystem |
JP2020143621A (ja) * | 2019-03-06 | 2020-09-10 | 本田技研工業株式会社 | 内燃機関の燃料供給構造 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1183098A (en) * | 1966-08-01 | 1970-03-04 | Jarmufejlestesi Intezet | Method of Fitting a Cap to a Pipe |
US5681518A (en) * | 1995-03-15 | 1997-10-28 | Handy & Harman Automotive Group | Process for molding a fuel rail assembly |
JP2005201254A (ja) * | 2003-12-16 | 2005-07-28 | Usui Kokusai Sangyo Kaisha Ltd | ディーゼルエンジン用高圧燃料配管 |
DE102005003519A1 (de) * | 2005-01-25 | 2006-08-03 | Benteler Automobiltechnik Gmbh | Verbindungsanordnung für Rohre |
DE112008001699T5 (de) * | 2007-06-26 | 2010-06-10 | Swagelok Co., Solon | Leitungsverbindung mit Sensorfunktion |
US7493892B1 (en) * | 2007-12-27 | 2009-02-24 | Robert Bosch Gmbh | Self-damping fuel rail |
EP2241745B1 (de) | 2009-04-15 | 2012-10-24 | Continental Automotive GmbH | Kupplungsvorrichtung |
FR2945099B1 (fr) * | 2009-05-04 | 2011-06-03 | Technip France | Procede de fabrication d'une conduite tubulaire flexible de grande longueur |
JP5863107B2 (ja) * | 2012-02-28 | 2016-02-16 | 臼井国際産業株式会社 | 直噴式エンジン用高圧燃料配管の端末構造 |
DE102013103471A1 (de) * | 2013-04-08 | 2014-10-09 | Benteler Automobiltechnik Gmbh | Kraftstoffverteiler aus Duplexstahl |
DE102015200232A1 (de) * | 2015-01-12 | 2016-07-14 | Robert Bosch Gmbh | Verbindungsanordnung zum Ausbilden einer hydraulischen Verbindung |
CN107429365A (zh) * | 2015-04-10 | 2017-12-01 | 山特维克知识产权股份有限公司 | 生产双相不锈钢的管的方法 |
EP3199794B1 (de) * | 2016-02-01 | 2018-06-27 | TI Automotive (Heidelberg) GmbH | Kraftstoffverteilerleiste sowie verfahren zur herstellung derselben |
-
2015
- 2015-12-29 DE DE102015226795.4A patent/DE102015226795A1/de active Pending
-
2016
- 2016-12-02 US US16/065,945 patent/US20190010907A1/en not_active Abandoned
- 2016-12-02 EP EP16805143.1A patent/EP3397850A1/de not_active Withdrawn
- 2016-12-02 CN CN201680077130.2A patent/CN108474333B/zh active Active
- 2016-12-02 KR KR1020187018526A patent/KR20180099700A/ko active Search and Examination
- 2016-12-02 WO PCT/EP2016/079577 patent/WO2017114635A1/de unknown
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KR20180099700A (ko) | 2018-09-05 |
CN108474333A (zh) | 2018-08-31 |
WO2017114635A1 (de) | 2017-07-06 |
US20190010907A1 (en) | 2019-01-10 |
DE102015226795A1 (de) | 2017-06-29 |
CN108474333B (zh) | 2022-04-26 |
BR112018012763A2 (pt) | 2018-12-04 |
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