WO2016155928A1 - Brennstoffeinspritzanlage und hydraulische anbindung an einer brennstoffeinspritzanlage - Google Patents
Brennstoffeinspritzanlage und hydraulische anbindung an einer brennstoffeinspritzanlage Download PDFInfo
- Publication number
- WO2016155928A1 WO2016155928A1 PCT/EP2016/052760 EP2016052760W WO2016155928A1 WO 2016155928 A1 WO2016155928 A1 WO 2016155928A1 EP 2016052760 W EP2016052760 W EP 2016052760W WO 2016155928 A1 WO2016155928 A1 WO 2016155928A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- support surface
- connection
- fuel injection
- connecting piece
- injection valve
- 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
- F02M55/02—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
- 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 fuel injection system with a fuel leading
- the fuel injection valves can each be connected via a hydraulic connection to the fuel-carrying component, in particular a fuel rail.
- the invention relates to the field of compound-compression spark-ignition internal combustion engines.
- a fuel injection system with a fuel rail and a fuel injection valve is known.
- a coupling device is provided, which has a cup which is designed such that it is hydraulically coupled to the fuel rail and a connection to a Brennscherinlassteil the
- Fuel injection valve forms.
- the cup has two holes through which extend screws. The ends of the screws are screwed into a plate which engages via a ring on the fuel injection valve. Furthermore, the ends of the screws are screwed into a plate which engages via a ring on the fuel injection valve. Furthermore, the ends of the screws are screwed into a plate which engages via a ring on the fuel injection valve. Furthermore, the ends of the screws are screwed into a plate which engages via a ring on the fuel injection valve. Furthermore, the
- Fuel injector is transmitted.
- Fuel injector and the cup are enabled. This results however then the problem that the size increases significantly, especially along the longitudinal axis. In relation to the usually confined space conditions, in particular within an engine compartment of a motor vehicle or the like, this considerably limits the use of such conceivable solutions.
- Component are made possible, in which stresses, in particular bending stresses, avoided and a small space are possible.
- the convexly curved bearing surface of the connection is designed as a spherical surface curved bearing surface. Furthermore, it is advantageous that the convexly curved bearing surface of the connection is formed on a part-spherical part of the connection to the fuel-carrying component.
- the connection of the fuel-carrying component can in this case be designed in particular as a rail connection, if the fuel-carrying component is a fuel distributor. An output channel of the fuel leading
- Component preferably extends along the longitudinal axis. Specifically, such an output channel in the center of the spherical surface curved support surface of the terminal from the port into the connecting piece of the
- spherical surface-shaped geometry rests against the support surface of the holding bridge. It is also advantageous if a center of the spherical surface curved
- Support surface or the part-spherical part of the terminal and a center of the spherical surface geometry on the support surface at least approximately match.
- an advantageous suspension can be realized in which a low-tension attachment of the fuel injection valve or the connection piece of the fuel injection valve to the fuel component is possible.
- Because of the matching center points results in an advantageous pivoting of the connecting piece during assembly. It is advantageous in this case also that the center of the spherical surface curved surface or the part-spherical part of the terminal and the center of the spherical surface-shaped geometry of the support surface in a
- connection, the connecting piece and the support surface of the holding bridge are aligned on the longitudinal axis, at least approximately lie on the longitudinal axis.
- the retaining bridge can then be fastened, for example, by means of two screws to the fuel-carrying component and in this case pulled against the fuel-carrying component.
- the advantageous suspension compensation is already possible during assembly, which leads to a low-voltage attachment.
- the support surface of the connecting piece is formed as a lateral surface of a truncated cone shaped support surface of the connecting piece. This is an advantageous interaction especially with a
- the contact between the connecting piece of the fuel injection valve and the connection can in this case advantageously consist of an outer edge region of the support surface of the connecting piece which is formed as a lateral surface of a truncated cone. This results in a space optimized configuration in which
- the length along the longitudinal axis can be kept short.
- the retaining bridge can be acted upon with respect to its support surface on both sides against the fuel distributor in order to allow loading of the connecting piece along the longitudinal axis against the bearing surface of the rail connection.
- connection, the connecting piece and the support surface of the holding bridge are aligned on the longitudinal axis.
- This can be reduced.
- the convexly curved bearing surface is preferably bent like a spherical surface, but it may also be designed according to a functionally equivalent surface.
- the support surface of the connecting piece is preferably as a lateral surface of a Truncated cone formed, but it can also be formed according to a functionally equivalent area.
- a pivot point about which the fitting on the support surface of the support bridge connecting piece is pivotable relative to the retaining bridge, and a pivot point about which the voltage applied to the convex bearing surface connecting piece is pivotally relative to the terminal at least approximately coincide , Depending on the configuration, the pivot points may coincide with the respective center points of spherical surfaces.
- Connecting piece is pivotable relative to the terminal, in a normal position in which the connection, the connecting piece and the support surface of the holding bridge to the
- FIG. 1 shows a fuel injection system with a hydraulic connection in a partial, schematic, spatial representation corresponding to one
- Fig. 2 is a partial, schematic section through the fuel injection system shown in Fig. 1 according to the embodiment of the invention.
- Fig. 1 shows a fuel injection system 1 with a hydraulic connection 2 in a partial, schematic, spatial representation corresponding to a
- the fuel injection system 1 has a fuel-carrying component 3 and a fuel injection valve 4.
- the fuel injection valve 4 is in this case via the hydraulic connection 2 with the fuel component leading third connected.
- further fuel injectors corresponding to the fuel injector 4 are provided, which are connected to the fuel-carrying component 3 via further hydraulic connections designed in accordance with the hydraulic connection 2.
- the fuel-carrying component 3 may be formed in particular as a fuel distributor 3. With such a
- Fuel distributor 3 may be, in particular, a fuel distributor strip 3, in particular a fuel rail 3.
- the hydraulic connection 2 is particularly suitable for such fuel-carrying components 3.
- connections 2 are used.
- the fuel injection valve 4 has a connection piece 5.
- the fuel injection valve 4 has an encapsulation 6, on which an electrical connection 7 is formed.
- the connecting piece 5 is aligned along a longitudinal axis 8 in a normal position in which the assembly is preferably carried out.
- a collar 9 is formed at the connecting piece 5, a collar 9 is formed.
- a holding bridge 10 is provided, on which a support surface 11 is configured.
- the connecting piece 5 is in this case supported on the support surface 11 of the holding bridge 10, wherein the holding bridge 10 is acted upon in a direction 12.
- a terminal 15 is provided, which is formed in this embodiment as a rail terminal 15.
- the connecting piece 5 of the fuel injection valve 4 is connected to the port 15.
- the holding bridge 10 with respect to its support surface 11 on both sides via fastening elements 16, 17 against the
- the fastening elements 16, 17 are formed as guide elements 16, 17, which are guided by cylindrical guide recesses 19, 20 at the terminal 15.
- the fastening elements 16, 17 in this case have cap-shaped ends 21, 22 in order to enable support on a support member 23.
- the support member 23 is connected via a screw 24 which is supported on an upper side 25 of the terminal 15, with a Tightening force applied. Due to this tightening force, the fastening elements 16, 17 designed as guide elements 16, 17 transmit the tightening force of the screw 24 via the holding bridge 10 to the connecting piece 5.
- the fastening elements 16, 17 can also be designed as screw elements which are screwed into the Holding bridge 10 on both sides of the support surface 11 apply the tightening force.
- Fig. 2 shows a partial, schematic section through the fuel injection system 1 shown in Fig. 1 according to the embodiment.
- the connection 15 is here shown simplified, wherein in particular the functionally relevant for the hydraulic connection 2 bearing surface 18 is shown.
- Terminal 15 is formed as a convex curved support surface 18.
- Connecting piece 5 of the fuel injection valve 4 is a support surface 26 is formed.
- the support surface 26 of the connecting piece 5 is in this case formed axially symmetrical with respect to the longitudinal axis 8. Further, the support surface 26 widens in the direction 12 along the longitudinal axis 8, which points from the connection piece 5 to the terminal 15 on.
- the support surface 26 is formed as a lateral surface 26 of a truncated cone. In this case, there is between the support surface 18 of the
- Support surface 11 of the support bridge 10 are aligned on the longitudinal axis 8.
- the hydraulic connection comes at the contact point 27 and the contact line 27 between the connecting piece 5 of
- the connecting piece 5 has a spherical surface-shaped geometry 30 on its outer side 31 in the region at which contact with the support surface 11 of the holding bridge 10 occurs in the context of possible pivoting.
- the contact can be, for example at a contact point 32 or a contact line 32, which may also be interrupted, come about.
- the support surface 11 of the holding bridge 10 has a geometry adapted thereto, which is realized in this embodiment by a lateral surface 11 of a truncated cone.
- the support surface 18 of the terminal 15 extends over a part-spherical, in particular almost hemispherical part 33 of the terminal 15.
- a ball geometry can only be realized in a relevant area for the function portion to form the support surface 18 as a partial surface of a spherical surface ,
- Fuel injector 4 and the connecting piece 5 during assembly without being tense with respect to the terminal 15 of the fuel-carrying component 3 are pivoted.
- the centers 34, 35 thus preferably at least approximately coincide. In a modified embodiment, however, small position deviations of the center points 34, 35 may be provided, if this ensures a sufficiently low-tension mounting.
- the support surface 11 of the support bridge 10 not only a cone-shaped, but also another in the direction 12 expanding support surface 1 1 have over which the support bridge 10 on a spherical surface geometry 30 or a other crowned and / or
- connecting piece 5 acts to press the connecting piece 5 against the support surface 18 of the terminal 15. So that the connecting piece 5 can be pivoted during assembly without tensing relative to the fuel-carrying component 3, not only the center points 34, 35, but also pivot points 34, 35 of comparable surfaces or geometries
- These pivot points 34, 35 can again lie in the normal position on the longitudinal axis 8.
- the contact point 27 or the contact line 27 is preferably located in an outer edge region of the support surface 26 of the connecting piece 5. In this way, a distance between the collar 9 of the connecting piece 5 and the collar 9 facing bottom 41 of the terminal 15 can be selected optimally small.
- the part-spherical part 33 is only so far outside the connecting piece 5, that the functionally required tilting is still possible without the
- Connecting piece 5 abuts the bottom 41 of the terminal 15.
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 (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020177027708A KR102567082B1 (ko) | 2015-04-02 | 2016-02-10 | 연료 분사 시스템 및 연료 분사 시스템에 대한 유압 연결부 |
JP2017551121A JP2018513304A (ja) | 2015-04-02 | 2016-02-10 | 燃料噴射装置、及び、燃料噴射装置への液圧的連結部 |
CN201680019895.0A CN107438711B (zh) | 2015-04-02 | 2016-02-10 | 燃料喷射设备和燃料喷射设备上的液压附接装置 |
US15/561,425 US10197032B2 (en) | 2015-04-02 | 2016-02-10 | Fuel injection system and hydraulic connection to a fuel injection system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015205980.4 | 2015-04-02 | ||
DE102015205980.4A DE102015205980A1 (de) | 2015-04-02 | 2015-04-02 | Brennstoffeinspritzanlage und hydraulische Anbindung an einer Brennstoffeinspritzanlage |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016155928A1 true WO2016155928A1 (de) | 2016-10-06 |
Family
ID=55361480
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2016/052760 WO2016155928A1 (de) | 2015-04-02 | 2016-02-10 | Brennstoffeinspritzanlage und hydraulische anbindung an einer brennstoffeinspritzanlage |
Country Status (6)
Country | Link |
---|---|
US (1) | US10197032B2 (de) |
JP (1) | JP2018513304A (de) |
KR (1) | KR102567082B1 (de) |
CN (1) | CN107438711B (de) |
DE (1) | DE102015205980A1 (de) |
WO (1) | WO2016155928A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11454200B2 (en) | 2019-11-08 | 2022-09-27 | Delphi Technologies Ip Limited | Fuel system with an arrangement which seals between a fuel injector and a fuel rail socket |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050045152A1 (en) * | 2002-05-07 | 2005-03-03 | Zander Eckbert Uwe | Fuel distribution pipe for motor vehicle injection devices, in particular for common rail systems |
EP1752655A1 (de) * | 2005-07-08 | 2007-02-14 | C.R.F. Societa' Consortile per Azioni | Anordnung zur Verbindung eines Kraftstoffspeichers für Kraftstoff unter Druck und mindestens einem Injektor, für eine Brennkraftmaschine |
DE102005045731A1 (de) * | 2005-09-23 | 2007-04-12 | Benteler Automobiltechnik Gmbh | Verbindungsanordnung für Rohre |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4438450B2 (ja) * | 2003-04-07 | 2010-03-24 | 株式会社デンソー | 配管継手装置およびその組付方法 |
DE102004053658A1 (de) * | 2004-11-03 | 2006-05-04 | Benteler Automobiltechnik Gmbh | Verbindungsanordnung |
DE102005024053A1 (de) * | 2005-05-25 | 2006-11-30 | Robert Bosch Gmbh | Anschluss-System |
DE102005026992A1 (de) * | 2005-06-10 | 2006-12-14 | Robert Bosch Gmbh | Hochdruckspeicherraum mit integriertem Drossel- und Filterelement |
DE102006017900A1 (de) * | 2006-04-13 | 2007-10-25 | Robert Bosch Gmbh | Befestigungsvorrichtung für Hochdruckleitungen an einem Hochdruckspeicher |
CN201025196Y (zh) * | 2007-04-09 | 2008-02-20 | 辽宁新风企业集团有限公司 | 一种高压油管接头 |
JP5178176B2 (ja) * | 2007-12-17 | 2013-04-10 | 臼井国際産業株式会社 | 高圧燃料噴射管の接続頭部構造 |
DE112009000126T5 (de) * | 2008-01-14 | 2010-12-09 | Millennium Industries Corp., Ligonier | Vorrichtung zum Koppeln von Komponenten eines Kraftstoffabgabesystems |
EP2375052B1 (de) | 2010-04-08 | 2012-11-07 | Continental Automotive GmbH | Kraftstoffeinspritzanordnung |
AT509332B1 (de) * | 2010-06-22 | 2011-08-15 | Bosch Gmbh Robert | Druckrohrstutzen |
CN102705122A (zh) * | 2012-06-27 | 2012-10-03 | 无锡开普动力有限公司 | 高压共轨系统的组合式蓄压管 |
US9157824B2 (en) * | 2012-09-28 | 2015-10-13 | Rosemount Inc. | High pressure fluid coupling |
CN203285591U (zh) * | 2013-04-30 | 2013-11-13 | 成都威特电喷有限责任公司 | 缸内直喷燃油机高压油轨 |
-
2015
- 2015-04-02 DE DE102015205980.4A patent/DE102015205980A1/de active Pending
-
2016
- 2016-02-10 WO PCT/EP2016/052760 patent/WO2016155928A1/de active Application Filing
- 2016-02-10 US US15/561,425 patent/US10197032B2/en active Active
- 2016-02-10 KR KR1020177027708A patent/KR102567082B1/ko active IP Right Grant
- 2016-02-10 JP JP2017551121A patent/JP2018513304A/ja active Pending
- 2016-02-10 CN CN201680019895.0A patent/CN107438711B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050045152A1 (en) * | 2002-05-07 | 2005-03-03 | Zander Eckbert Uwe | Fuel distribution pipe for motor vehicle injection devices, in particular for common rail systems |
EP1752655A1 (de) * | 2005-07-08 | 2007-02-14 | C.R.F. Societa' Consortile per Azioni | Anordnung zur Verbindung eines Kraftstoffspeichers für Kraftstoff unter Druck und mindestens einem Injektor, für eine Brennkraftmaschine |
DE102005045731A1 (de) * | 2005-09-23 | 2007-04-12 | Benteler Automobiltechnik Gmbh | Verbindungsanordnung für Rohre |
Also Published As
Publication number | Publication date |
---|---|
KR102567082B1 (ko) | 2023-08-17 |
JP2018513304A (ja) | 2018-05-24 |
KR20170134425A (ko) | 2017-12-06 |
DE102015205980A1 (de) | 2016-10-06 |
CN107438711B (zh) | 2020-10-23 |
CN107438711A (zh) | 2017-12-05 |
US10197032B2 (en) | 2019-02-05 |
US20180058403A1 (en) | 2018-03-01 |
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