WO2018010870A1 - Brennstoffeinspritzanlage und anordnung für eine brennstoffeinspritzanlage - Google Patents
Brennstoffeinspritzanlage und anordnung für eine brennstoffeinspritzanlage Download PDFInfo
- Publication number
- WO2018010870A1 WO2018010870A1 PCT/EP2017/061359 EP2017061359W WO2018010870A1 WO 2018010870 A1 WO2018010870 A1 WO 2018010870A1 EP 2017061359 W EP2017061359 W EP 2017061359W WO 2018010870 A1 WO2018010870 A1 WO 2018010870A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fuel
- fuel injection
- connecting part
- injection system
- arrangement
- Prior art date
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
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
- F02M55/025—Common rails
-
- 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
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
- F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
- F02M69/462—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down
- F02M69/465—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down of fuel rails
-
- 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
- F02M2200/85—Mounting of fuel injection apparatus
- F02M2200/856—Mounting of fuel injection apparatus characterised by mounting injector to fuel or common rail, or vice versa
-
- 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
- F02M2200/857—Mounting of fuel injection apparatus characterised by mounting fuel or common rail to engine
Definitions
- the invention relates to an arrangement for fuel injection systems for connecting a fuel injection valve with a fuel-carrying component and a
- Fuel injection system with at least one such arrangement.
- the invention relates to the field of fuel injection systems for internal combustion engines.
- Fuel injection system according to the invention with the features of claim 9 have the advantage that an improved design is made possible, which in particular allows sufficient voltage optimization at low cost.
- 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, distribute the fuel over several
- Fuel injection valves serve.
- the individual fuel injection valves are then preferably connected via corresponding arrangements with the fuel distributor. During operation, the fuel injectors inject the fuel
- Combustion chamber of the internal combustion engine is Combustion chamber of the internal combustion engine.
- connection part has the advantage that a geometrically close arrangement of the connection part is made possible on the fuel-carrying component, which has short levers with respect to connection points or connection areas when loads occur.
- Component is preferably carried out by a cohesive connection, in particular by brazing.
- the development according to claim 3 has the advantage that a high mechanical stability can be achieved. In this case, an introduction of force can take place both directly from the connection part and from the holding part into the component. The connecting part then leads to a further improvement with regard to the occurring mechanical stresses.
- the connecting part can form a stiffening between the connecting part and the holding part, which prevents the stresses in the region of a connection, in particular a solder seam, between the connecting part and the component
- connection part can in particular be designed as a valve cup.
- the holding part can be configured in particular as a holder with a cylindrical recess.
- the joint between the holding part and the component can be omitted, since the holding part is connected only via the connecting part with the connecting part.
- connections or a connection between the holding part and the component or between the connection part and the component advantageously adjustability of a solder gap or the like can be realized when, for example, a solder joint is used, wherein an overdetermination of the compound or the Connections is avoided.
- the development according to claim 6 has the advantage that a high mechanical stability and ease of mounting are possible. It is particularly advantageous if the connecting part is formed from a metal sheet, as in claim 8
- the connecting part can be formed here as a stiffening sheet.
- connection methods such as brazing can be used to join the individual sheet metal pieces.
- the development according to claim 10 and / or the development according to claim 11 allow an advantageous embodiment which avoids over-determination.
- the fuel-carrying component may in this case be a fuel distributor for the direct injection of preferably gasoline, to which a plurality of holding parts, a plurality of connecting parts and a plurality of connecting parts are mounted in order to realize hydraulic and mechanical connections with, for example, a cylinder head for the individual fuel injection valves.
- the fuel injection system must over the life of the occurring
- connection parts in particular valve cups. Because this is introduced from the connecting parts via, for example, a main pipe of the fuel component leading into the holding parts and optionally further holding elements and then into the cylinder head.
- the joints which, for example, as
- the connecting parts are provided. This can be dispensed with a one-piece cast construction, each comprising a holding part and a connection part, which allows a significant cost savings. Thus, a voltage optimized design can be realized without a cast construction.
- the arrangement or arrangements enable a cost-effective and simple holder and valve cup construction, which is not designed as a cast construction.
- the connecting parts stiffen the respective connection between the valve cup and the holding part, wherein the design is preferably carried out so that voltages to
- Voltage peaks or maxima of the mechanical stress are preferably placed in the connecting parts. Specifically, these can be placed in intended radii or bends of the connecting parts. This means that the solder seams are relieved and stresses in the connecting parts, especially in sheet metal
- At least one holding part and at least one connecting part directly, so without further intermediate part, to a tubular body, in particular a main pipe of the fuel-carrying component, are attached.
- Connecting parts can be carried out in an advantageous manner as a formed part. Such a forming part is thereby preferably not attached to the tubular body and does not touch this.
- a connecting part in particular a shaped part, can be connected via form and / or force and / or material connection in each case on the one hand with the holding part and on the other hand with the connecting part.
- Connecting part also be executed in several parts.
- connection to the holding part and the stiffening plate Due to the targeted design of the connecting part, in particular of the stiffening plate, this can be freely positioned on the connecting part, in particular a valve cup, and pushed to the holding part. A solder gap is still freely adjustable, with no overdetermination. A connection to the holding part and the stiffening plate
- Connecting part can be made in each case on a surface.
- the connecting part here is preferably not directly connected to the fuel-carrying component, in particular a tubular body of the fuel-carrying component, connected or in contact with this. This means that the connecting part, in particular a stiffening plate, also does not influence the position of the holding part and of the connecting part.
- FIG. 1 shows a fuel injection system with an arrangement in an excerpt, schematic representation according to a first embodiment of the invention.
- FIG. 2 shows the fuel injection system shown in Fig. 1 according to a second embodiment of the invention.
- FIG. 3 shows the fuel injection system shown in FIG. 2 in accordance with the second exemplary embodiment of the invention from the viewing direction designated III;
- Fig. 4 shows a connecting part in a spatial representation according to a possible embodiment of the invention and
- Fig. 5 is a fuel injection system in a partial, schematic representation according to a third embodiment of the invention.
- Fig. 1 shows a fuel injection system 1 with an arrangement 2 in an excerpt, schematic representation according to a first embodiment.
- Fuel injection system 1 can in particular for high-pressure injection at
- the arrangement 2 is particularly suitable for such a fuel injection system 1.
- the fuel injection system 1 has in this embodiment, a fuel-carrying component 3, which comprises a tubular body 4. About at least one pump 5 is fuel from a tank 6 under high pressure in the
- Fuel-carrying component 3 can be conveyed.
- the arrangement 2 is used for the hydraulic and mechanical connection of a fuel injection valve, not shown, with the
- the arrangement 2 may be provided in the illustrated or at least one modified embodiment one or more than one repeated to the fuel-carrying component 3, to connect a corresponding number of fuel injection valves with the component 3.
- the tubular base body 4 of the fuel-carrying component 3 has a longitudinal axis 6 in this exemplary embodiment.
- the arrangement 2 has a holding part 7, a connecting part 8 and a connecting part 9.
- An axis 7 'of the holding part 7 does not intersect the longitudinal axis 6, but in the projection into the illustrated plane of the drawing, the longitudinal axis 6 and the axis 7' intersect at an angle equal to 90 °
- connection part 8 is designed as a cup 8.
- the holding part 7 is made of a tubular base material.
- the connecting part 9 is preferably made of a formed sheet metal piece. Here is a surface connection 10 between the
- Connection part 9 and the holding part 7 predetermined, wherein at suitable locations or in suitable areas a cohesive connection, in particular a solder joint, may be provided. Furthermore, a planar connection 1 1 is provided between the connecting part 9 and an upper side 12 of the connecting part 8. Here, in some areas or areas cohesive connections, in particular solder joints, may be configured.
- the connecting part 8 is connected directly to the tubular base body 4,
- the connecting part 9 is neither connected to the tubular base body 4 nor does it touch the tubular base body 4.
- the holding part 7 is used in particular for fastening to a cylinder head, a screw or another fastening means being guided along the axis T of the holding part 7.
- the holding part 7 may be connected directly to the tubular base body 4, for example by brazing.
- a modified embodiment is conceivable in which the holding part 7 is not materially connected to the tubular base body 4 and the tubular base body 4 either touched or not touched.
- the mechanical connection can then be realized at least substantially via the connecting part 9 and the attachment part 8 to the holding part 7 with the tubular
- the fuel injection valve is hydraulically connectable to the connecting part 8.
- the holding part 7 serves for mechanical fastening. If the holding part 7 is connected in the assembled state, for example, with a cylinder head of an internal combustion engine, then the inserted into the connector part 8 fuel injection valve is mechanically fastened in this way. For the fuel injection valve is then fixed between the connecting part 8 and the cylinder head.
- Fig. 2 shows the fuel injection system 1 shown in Fig. 1 according to a second embodiment.
- the connection part 8 of the arrangement 2 is composed of a cup 15 and an extension 16.
- a rotationally symmetrical design is selected both for the holding part 7 and for the connection part 8.
- a rotationally symmetrical configuration can be realized in a corresponding manner also in the holding part 7 and the connecting part 8 of the arrangement 2 of the first embodiment.
- Fig. 3 shows the fuel injection system 1 shown in Fig. 2 according to the second embodiment of the III direction of view.
- a region 17 on which the connecting part 9 is bent in order to achieve a voltage optimization is configured on the connecting part 9.
- Fig. 4 shows a connecting part 9 in a spatial representation according to a possible embodiment of the invention.
- the connecting part 9 is designed to allow the connection 10 with the holding part 7 bent.
- the connecting part 9 can be designed flat or curved to allow the connection 1 1.
- Fig. 5 shows a fuel injection system 1 in a partial, schematic representation according to a third embodiment.
- the trained as a cup 9 connecting part 9 is indirectly connected to the tubular base body 4 of the fuel-carrying component 3.
- an intermediate piece 18 is provided, in which a through each other cut holes
- the connecting part 9 is suitably connected to the intermediate piece 18.
- the connecting part 8 is connected to the connecting part 9 by means of the intermediate piece 18.
- an indirect connection is possible, as described for example with reference to FIG. 5.
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
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020197001183A KR102324902B1 (ko) | 2016-07-15 | 2017-05-11 | 연료 분사 시스템 및 연료 분사 시스템용 장치 |
PL17722803T PL3485160T3 (pl) | 2016-07-15 | 2017-05-11 | Układ wtrysku paliwa i układ dla układu wtrysku paliwa |
EP17722803.8A EP3485160B1 (de) | 2016-07-15 | 2017-05-11 | Brennstoffeinspritzanlage und anordnung für eine brennstoffeinspritzanlage |
CN201780043903.XA CN109477448B (zh) | 2016-07-15 | 2017-05-11 | 燃料喷射设备和用于燃料喷射设备的组件 |
US16/314,711 US10947941B2 (en) | 2016-07-15 | 2017-05-11 | Fuel-injection system and assembly therefor |
JP2019501443A JP6906599B2 (ja) | 2016-07-15 | 2017-05-11 | 燃料噴射装置および燃料噴射装置用の装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016212936.8A DE102016212936A1 (de) | 2016-07-15 | 2016-07-15 | Brennstoffeinspritzanlage und Anordnung für eine Brennstoffeinspritzanlage |
DE102016212936.8 | 2016-07-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2018010870A1 true WO2018010870A1 (de) | 2018-01-18 |
Family
ID=58699165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2017/061359 WO2018010870A1 (de) | 2016-07-15 | 2017-05-11 | Brennstoffeinspritzanlage und anordnung für eine brennstoffeinspritzanlage |
Country Status (8)
Country | Link |
---|---|
US (1) | US10947941B2 (de) |
EP (1) | EP3485160B1 (de) |
JP (1) | JP6906599B2 (de) |
KR (1) | KR102324902B1 (de) |
CN (1) | CN109477448B (de) |
DE (1) | DE102016212936A1 (de) |
PL (1) | PL3485160T3 (de) |
WO (1) | WO2018010870A1 (de) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120138020A1 (en) * | 2009-08-11 | 2012-06-07 | Kefico Corporation | Mounting structure for a direct injection fuel rail |
CN103890372A (zh) * | 2011-10-26 | 2014-06-25 | 丰田自动车株式会社 | 内燃机的燃料输送管和气缸盖的紧固结构 |
US20140326217A1 (en) * | 2013-05-01 | 2014-11-06 | Denso International America, Inc. | Connecting element for gdi tube stress reduction |
WO2016079004A1 (en) * | 2014-11-19 | 2016-05-26 | Continental Automotive Gmbh | Fuel rail assembly for an internal combustion engine |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6408827B1 (en) * | 1999-11-12 | 2002-06-25 | Siemens Automotive Corporation | Stamped fuel rail with integrated mounting brackets |
DE602007002783D1 (de) * | 2007-03-08 | 2009-11-26 | Continental Automotive Gmbh | Kupplungsvorrichtung und Kraftstoffzufuhranordnung |
DE102009006607B4 (de) | 2009-01-29 | 2015-10-08 | Benteler Automobiltechnik Gmbh | Kraftstoffverteiler |
JP5447138B2 (ja) * | 2010-04-22 | 2014-03-19 | マツダ株式会社 | 高圧燃料配管構造 |
JP5682787B2 (ja) * | 2011-09-26 | 2015-03-11 | 株式会社デンソー | 燃料噴射装置 |
KR101160446B1 (ko) * | 2012-04-18 | 2012-06-28 | 일진제강(주) | 연료분사관 연결용 인젝터 컵 유닛 및 그 제조 방법 |
EP2690281A1 (de) | 2012-07-23 | 2014-01-29 | Continental Automotive GmbH | Kraftstoffleistenanordnung |
EP2910768A1 (de) | 2014-02-25 | 2015-08-26 | Continental Automotive GmbH | Kraftstoffleistenvorrichtung für einen Verbrennungsmotor und Verfahren zu ihrer Herstellung |
JP6514553B2 (ja) | 2014-06-18 | 2019-05-15 | マルヤス工業株式会社 | 直噴エンジン用高圧燃料デリバリパイプアセンブリ |
EP3244056B8 (de) * | 2016-05-13 | 2019-12-18 | CPT Group GmbH | Ein kraftstoffverteiler für einen verbrennungsmotor |
CN109328266B (zh) * | 2016-06-30 | 2021-03-23 | 大陆汽车有限公司 | 燃料喷射器组件 |
EP3470660B1 (de) * | 2017-10-12 | 2022-04-20 | Vitesco Technologies GmbH | Hartgelöteter artikel, brennstoffschienenanordnung und verfahren zur herstellung davon |
-
2016
- 2016-07-15 DE DE102016212936.8A patent/DE102016212936A1/de not_active Withdrawn
-
2017
- 2017-05-11 CN CN201780043903.XA patent/CN109477448B/zh active Active
- 2017-05-11 KR KR1020197001183A patent/KR102324902B1/ko active IP Right Grant
- 2017-05-11 JP JP2019501443A patent/JP6906599B2/ja active Active
- 2017-05-11 US US16/314,711 patent/US10947941B2/en active Active
- 2017-05-11 PL PL17722803T patent/PL3485160T3/pl unknown
- 2017-05-11 EP EP17722803.8A patent/EP3485160B1/de active Active
- 2017-05-11 WO PCT/EP2017/061359 patent/WO2018010870A1/de unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120138020A1 (en) * | 2009-08-11 | 2012-06-07 | Kefico Corporation | Mounting structure for a direct injection fuel rail |
CN103890372A (zh) * | 2011-10-26 | 2014-06-25 | 丰田自动车株式会社 | 内燃机的燃料输送管和气缸盖的紧固结构 |
US20140326217A1 (en) * | 2013-05-01 | 2014-11-06 | Denso International America, Inc. | Connecting element for gdi tube stress reduction |
WO2016079004A1 (en) * | 2014-11-19 | 2016-05-26 | Continental Automotive Gmbh | Fuel rail assembly for an internal combustion engine |
Also Published As
Publication number | Publication date |
---|---|
US20190249633A1 (en) | 2019-08-15 |
KR20190028438A (ko) | 2019-03-18 |
JP6906599B2 (ja) | 2021-07-21 |
DE102016212936A1 (de) | 2018-01-18 |
CN109477448B (zh) | 2021-11-19 |
CN109477448A (zh) | 2019-03-15 |
PL3485160T3 (pl) | 2022-01-10 |
EP3485160A1 (de) | 2019-05-22 |
KR102324902B1 (ko) | 2021-11-12 |
JP2019520521A (ja) | 2019-07-18 |
EP3485160B1 (de) | 2021-07-28 |
US10947941B2 (en) | 2021-03-16 |
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