EP1366285A1 - Dispositif de fixation - Google Patents
Dispositif de fixationInfo
- Publication number
- EP1366285A1 EP1366285A1 EP02719641A EP02719641A EP1366285A1 EP 1366285 A1 EP1366285 A1 EP 1366285A1 EP 02719641 A EP02719641 A EP 02719641A EP 02719641 A EP02719641 A EP 02719641A EP 1366285 A1 EP1366285 A1 EP 1366285A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hold
- cylinder head
- fastening device
- injection valve
- fuel injection
- 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.)
- Granted
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
- 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
- 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
Definitions
- the invention relates to a fastening device for fastening a fuel injection valve according to the preamble of the main claim.
- a disadvantage of the fastening device known from DE 29 26 490 C2 is, in particular, the bracing effect of the various fasteners on the fuel injector.
- the force flow generated in the fuel injector leads to deformations and thus to changes in the stroke of the valve needle up to jamming and to a pressure or bending load on the housing parts, which are generally thin-walled and welded to one another at several points.
- each fastening measure leads, for example, to an increase in the radial expansion of the fuel injection valve, and thus to an increased space requirement during installation, due to a support collar.
- Fuel injector has a collar or shoulder attached to it at an injection-side end, on which a flexible hold-down device engages, which completely or partially encompasses the end of the fuel injector, as a result of which the fuel injector is held down in the cylinder head.
- a flexible hold-down device engages, which completely or partially encompasses the end of the fuel injector, as a result of which the fuel injector is held down in the cylinder head.
- hold-down devices can be produced simply by punching from sheet metal and are suitable both for individual fuel injection valves and for row arrangements of fuel injection valves.
- the hold-down devices are advantageously fixed in a simple manner to the end face of the cylinder head by screws or clamping claws. Another advantage is that the hold-down is shaped in the form of a hold-down pot that the
- Fuel injector in the mounting hole of the cylinder head gives greater stability.
- Another advantage is the formation of slits and elastic tabs at the end of the hold-down pot, which allow quick and easy assembly and disassembly of the fuel injector.
- the fastening device can be installed in almost every mounting hole in a cylinder head and can therefore also be used as an adapter if the bore cross-sections are too large.
- Fig. 1 is a schematic view of a first embodiment of an inventive fastening device for a
- 2A-B are each a schematic plan view of the fastening device designed according to the invention.
- FIG. 3 shows a schematic plan view of a second exemplary embodiment of a fastening device according to the invention
- Fig. 4 is a schematic sectional view of the fastening device shown in Fig.
- And 5 shows a schematic view of the fastening process of a fuel injector with the fastening device shown in FIGS. 3 and 4.
- FIG. 1 shows a highly schematic partial section through a first exemplary embodiment of a fastening device for a fuel injector designed according to the invention.
- a fuel injector 1 is designed in the form of a direct-injection fuel injector 1, which is installed in a cylinder head 2 for the direct injection of fuel into a combustion chamber of a mixture compression-ignition internal combustion engine, not shown, in particular.
- the fuel injection valve 1 has a connection to a fuel feed line 4 at an inlet-side end 3.
- the fuel injector 1 has a connection 5 for the electrical contact for actuating the fuel injector 1.
- a shoulder 7 is formed, which bears against a wall 8 of a receiving bore 9 of the cylinder head 2.
- the shoulder 7 can be produced, for example, by turning, or a spherical shape can be attached to the outflow-side end 6 of the fuel injection valve 1 by means of welding, as a result of which good guidance is also achieved in the receiving bore 9.
- a fastening device 10 is provided according to the invention.
- The. Fastening device 10 consists of a hold-down device 11, which in the present first exemplary embodiment is formed in two parts and rests on the outflow end 6 of the fuel injector 1.
- the hold-down devices 11 are preferably punched out of sheet metal, for example.
- the hold-down devices 11 are supported on the shoulder 7 formed on the outflow end 6 of the fuel injection valve 1.
- the hold-down devices 11 are with side parts 16 on an end face 12 of the cylinder head 2 either, as shown in FIG. 1 on the left, by means of a screw 13 screwed into the cylinder head 2, or, as shown in FIG. 1 on the right, by means of a likewise on the end face 12 of the cylinder head 2 attached claw 14 attached.
- the latter is characterized by easier assembly, since there is no need for a hole in the hold-down device 11.
- the preferred form of the hold-down device 11 is chosen so that the side parts 16 are fixed on the end face 12 of the cylinder head 2, which results in a spring action which presses the fuel injector 1 via the shoulder 7 into the receiving bore 9 in the cylinder head 2.
- the axial stability of the fuel injection valve 1 is achieved on the one hand by guiding the fuel line 4, and on the other hand by partially enclosing the hold-down device 11 in the region of the downstream end 6 of the fuel injection valve 1.
- FIGS. 2A and 2B represent a schematic plan view of two variants of the fastening device 10 of the fuel injector 1 according to the invention.
- the same components are provided with the same reference numerals in all the figures.
- FIGS. 2A and 2B show a symmetrical pair of hold-down devices 11, which are used to fasten a single fuel injector 1, while FIG. 2B takes into account a possible row arrangement of several fuel injector 1, in that adjacent hold-down devices 11 are made in one piece for easier fastening and further stabilization ,
- FIG. 3 shows a schematic top view of a second exemplary embodiment of a fastening device 10 for a fuel injector 1 designed according to the invention.
- the second embodiment described in FIG. 3 is formed in one piece or in a pot shape.
- a hold-down pot 17 in turn has two side parts 16 with bores 15 ' for fastening the hold-down pot 17 to the end face 12 of the cylinder head 2.
- a recess 18 serves for the passage of the electrical line (not shown) for actuating the fuel injection valve 1.
- Such a hold-down pot 17 can be produced, for example, by deep drawing.
- the hold-down pot 17 has, as illustrated in FIG. 4, a plurality of stages 20.
- FIG. 5 shows a schematic view of the fastening process of a fuel injection valve 1 in FIG the fastening device 10 shown in FIGS. 3 and 4.
- the holding-down pot 17 can be fastened, as in the first exemplary embodiment, by means of screws 13, which are guided through the bores 15, or by means of clamps 14.
- the invention is not limited to the exemplary embodiment shown and can also be used, for example, for fuel injection valves 1 for injection into the combustion chamber of a self-igniting internal combustion engine.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06117773A EP1722099B1 (fr) | 2001-02-28 | 2002-02-27 | Dispositif de fixation |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10109408A DE10109408A1 (de) | 2001-02-28 | 2001-02-28 | Befestigungsvorrichtung |
DE10109408 | 2001-02-28 | ||
PCT/DE2002/000696 WO2002068815A1 (fr) | 2001-02-28 | 2002-02-27 | Dispositif de fixation |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06117773A Division EP1722099B1 (fr) | 2001-02-28 | 2002-02-27 | Dispositif de fixation |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1366285A1 true EP1366285A1 (fr) | 2003-12-03 |
EP1366285B1 EP1366285B1 (fr) | 2006-11-02 |
Family
ID=7675651
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06117773A Expired - Lifetime EP1722099B1 (fr) | 2001-02-28 | 2002-02-27 | Dispositif de fixation |
EP02719641A Expired - Lifetime EP1366285B1 (fr) | 2001-02-28 | 2002-02-27 | Dispositif de fixation |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06117773A Expired - Lifetime EP1722099B1 (fr) | 2001-02-28 | 2002-02-27 | Dispositif de fixation |
Country Status (7)
Country | Link |
---|---|
US (1) | US6772736B2 (fr) |
EP (2) | EP1722099B1 (fr) |
JP (1) | JP2004518863A (fr) |
CN (1) | CN1457393A (fr) |
CZ (1) | CZ20023489A3 (fr) |
DE (3) | DE10109408A1 (fr) |
WO (1) | WO2002068815A1 (fr) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10140797A1 (de) * | 2001-08-20 | 2003-07-31 | Bosch Gmbh Robert | Ausgleichselement für ein Brennstoffeinspritzventil |
JP3997946B2 (ja) * | 2002-07-26 | 2007-10-24 | 株式会社デンソー | 燃料供給装置 |
DE10256668A1 (de) | 2002-12-04 | 2004-07-29 | Robert Bosch Gmbh | Stützelement |
DE10338715B4 (de) * | 2003-08-22 | 2014-07-17 | Robert Bosch Gmbh | Ausgleichselement für ein Brennstoffeinspritzventil |
DE102004055317A1 (de) | 2004-11-16 | 2006-05-24 | Bosch Rexroth Aktiengesellschaft | Elektrische Drehfeldmaschine und Primärteil |
EP1859160B1 (fr) * | 2005-03-03 | 2010-02-10 | Robert Bosch GmbH | Dispositif d'injection de carburant |
US7469680B2 (en) * | 2005-09-30 | 2008-12-30 | Caterpillar Inc. | Fluid system having quill-mounted manifold |
DE102006019306A1 (de) * | 2006-04-26 | 2007-10-31 | Robert Bosch Gmbh | Rastpratze |
DE102006056704A1 (de) * | 2006-11-30 | 2008-06-05 | Robert Bosch Gmbh | Brennstoffeinspritzventil und Brennstoffeinspritzsystem |
DE602007002783D1 (de) * | 2007-03-08 | 2009-11-26 | Continental Automotive Gmbh | Kupplungsvorrichtung und Kraftstoffzufuhranordnung |
EP2199592B1 (fr) * | 2007-05-31 | 2011-10-12 | Continental Automotive GmbH | Dispositif de fixation pour fixer un injecteur de combustible dans une culasse d'un moteur à combustion |
DE102007035714A1 (de) * | 2007-07-30 | 2009-02-05 | Robert Bosch Gmbh | Brennstoff-Einspritzanlage mit Ausgleichselement |
JP4937891B2 (ja) * | 2007-11-30 | 2012-05-23 | 愛三工業株式会社 | 燃料供給装置 |
JP5408010B2 (ja) * | 2010-04-08 | 2014-02-05 | 株式会社デンソー | 高圧ポンプ |
US20110265767A1 (en) * | 2010-05-03 | 2011-11-03 | Delphi Technologies, Inc. | Isolater for fuel injector |
US20130174810A1 (en) * | 2010-10-20 | 2013-07-11 | Illinois Tool Works Inc. | Fuel injector bracket assembly |
US9109563B2 (en) * | 2011-03-31 | 2015-08-18 | Denso International America, Inc. | Cradled fuel injector mount assembly |
DE102011084064A1 (de) * | 2011-10-06 | 2013-04-11 | Schaeffler Technologies AG & Co. KG | Niederhalter für eine Kraftstoffeinspritzdüse |
US8424509B1 (en) * | 2011-10-28 | 2013-04-23 | Continental Automotive Systems Us, Inc. | Fuel injector cup rotation limiting structure for an isolated fuel rail system |
CN103527375B (zh) * | 2013-09-22 | 2016-03-09 | 安徽中鼎动力有限公司 | 一种两冲程发动机的喷油器压套装置 |
JP6256918B2 (ja) * | 2014-09-30 | 2018-01-10 | 本田技研工業株式会社 | インジェクタ組付体 |
DE102015001614A1 (de) * | 2015-02-07 | 2016-08-11 | Neander Motors Ag | Einrichtung zur Festsetzung zumindest einer Kraftstoffeinspritzdüse |
DE102016225695A1 (de) * | 2016-12-21 | 2018-06-21 | Robert Bosch Gmbh | Anordnung mit zumindest einem Ventil und einem Halter |
CN111433450B (zh) | 2017-12-08 | 2022-01-28 | 沃尔沃卡车集团 | 用于共轨燃料喷射系统的装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4133321A (en) * | 1972-12-21 | 1979-01-09 | Robert Bosch Gmbh | Clamping device for fuel injection nozzles |
US4066213A (en) * | 1976-04-16 | 1978-01-03 | Deere & Company | Fuel injection nozzle assembly |
DE2926490A1 (de) | 1979-06-30 | 1981-02-05 | Bosch Gmbh Robert | Kraftstoffeinspritzanlage |
IN159427B (fr) * | 1982-11-27 | 1987-05-16 | Perkins Engines Group | |
DE3406487A1 (de) * | 1984-02-23 | 1985-08-29 | Bayerische Motoren Werke AG, 8000 München | Einspritzventil fuer gemischverdichtende brennkraftmaschinen, insbesondere fuer einzelsaugrohr-einspritzung |
US5121731A (en) * | 1991-06-20 | 1992-06-16 | Siemens Automotive L.P. | Means for mounting a fuel injector on a fuel rail |
US5706786A (en) * | 1994-12-28 | 1998-01-13 | Cummins Engine Company, Inc. | Distortion reducing load ring for a fuel injector |
JPH08312503A (ja) * | 1995-03-10 | 1996-11-26 | Mitsubishi Motors Corp | 固定対象物、特に筒内噴射型内燃機関用インジェクタの取付構造 |
DE19511703A1 (de) * | 1995-03-30 | 1996-10-02 | Bayerische Motoren Werke Ag | Vorrichtung zur Befestigung einer Einspritzdüse insbesondere am Zylinderkopf einer Brennkraftmaschine |
CA2246368A1 (fr) * | 1996-02-12 | 1997-08-21 | Filterwerk Mann & Hummel Gmbh | Systeme d'admission |
JP3765132B2 (ja) * | 1996-09-06 | 2006-04-12 | 日産自動車株式会社 | 直噴式ディーゼル機関における燃料噴射ノズル固定装置 |
FR2763649B1 (fr) * | 1997-05-20 | 1999-06-25 | Peugeot | Dispositif de fixation d'un injecteur de carburant sur une culasse de moteur a combustion interne, et un procede de montage de cet injecteur |
DE19735665A1 (de) * | 1997-06-25 | 1999-01-07 | Bosch Gmbh Robert | Brennstoffeinspritzanlage |
JP2000145580A (ja) * | 1998-11-11 | 2000-05-26 | Isuzu Motors Ltd | インジェクタの固定構造 |
DE19857485A1 (de) * | 1998-12-14 | 2000-06-15 | Bosch Gmbh Robert | Montagevorrichtung zur Montage und Demontage eines Brennstoffeinspritzventils |
JP3871016B2 (ja) * | 2000-05-22 | 2007-01-24 | スズキ株式会社 | 筒内噴射式エンジンの燃料インジェクタ取付構造 |
-
2001
- 2001-02-28 DE DE10109408A patent/DE10109408A1/de not_active Withdrawn
-
2002
- 2002-02-27 EP EP06117773A patent/EP1722099B1/fr not_active Expired - Lifetime
- 2002-02-27 DE DE50208596T patent/DE50208596D1/de not_active Expired - Lifetime
- 2002-02-27 CN CN02800451.5A patent/CN1457393A/zh active Pending
- 2002-02-27 US US10/275,053 patent/US6772736B2/en not_active Expired - Fee Related
- 2002-02-27 JP JP2002567695A patent/JP2004518863A/ja not_active Withdrawn
- 2002-02-27 EP EP02719641A patent/EP1366285B1/fr not_active Expired - Lifetime
- 2002-02-27 CZ CZ20023489A patent/CZ20023489A3/cs unknown
- 2002-02-27 WO PCT/DE2002/000696 patent/WO2002068815A1/fr active IP Right Grant
- 2002-02-27 DE DE50213305T patent/DE50213305D1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO02068815A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE50213305D1 (de) | 2009-04-02 |
CN1457393A (zh) | 2003-11-19 |
EP1722099B1 (fr) | 2009-02-18 |
JP2004518863A (ja) | 2004-06-24 |
CZ20023489A3 (en) | 2004-05-12 |
DE50208596D1 (de) | 2006-12-14 |
US20030154961A1 (en) | 2003-08-21 |
EP1722099A2 (fr) | 2006-11-15 |
WO2002068815A1 (fr) | 2002-09-06 |
DE10109408A1 (de) | 2002-09-05 |
EP1366285B1 (fr) | 2006-11-02 |
US6772736B2 (en) | 2004-08-10 |
EP1722099A3 (fr) | 2006-11-29 |
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