EP1223337A1 - Agencement insonorisant de rondelles sous une tuyère d'injection - Google Patents

Agencement insonorisant de rondelles sous une tuyère d'injection Download PDF

Info

Publication number
EP1223337A1
EP1223337A1 EP01100697A EP01100697A EP1223337A1 EP 1223337 A1 EP1223337 A1 EP 1223337A1 EP 01100697 A EP01100697 A EP 01100697A EP 01100697 A EP01100697 A EP 01100697A EP 1223337 A1 EP1223337 A1 EP 1223337A1
Authority
EP
European Patent Office
Prior art keywords
fuel injector
damping material
cylinder head
fuel injection
fuel
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
Application number
EP01100697A
Other languages
German (de)
English (en)
Other versions
EP1223337B1 (fr
Inventor
Markus Schroeer
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.)
Ford Global Technologies LLC
Original Assignee
Ford Global Technologies LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ford Global Technologies LLC filed Critical Ford Global Technologies LLC
Priority to EP01100697A priority Critical patent/EP1223337B1/fr
Priority to DE50110145T priority patent/DE50110145D1/de
Priority to JP2002002208A priority patent/JP2003003931A/ja
Priority to US09/683,518 priority patent/US6578554B2/en
Publication of EP1223337A1 publication Critical patent/EP1223337A1/fr
Application granted granted Critical
Publication of EP1223337B1 publication Critical patent/EP1223337B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14

Definitions

  • the invention relates to a fuel injection arrangement for the cylinder of an internal combustion engine with one on the cylinder head of the cylinder attached fuel injector.
  • a fuel injection arrangement of the type mentioned is known from US 6 009 856.
  • the fuel injector is used in this arrangement in a known manner to fuel to inject into the cylinder space of the internal combustion engine.
  • strong vibrations occur during operation and noise emissions.
  • US 6 009 856 the fuel injector by means of an elastic, noise-damping Embed the mass in a cylindrical sleeve. This sleeve is supported with its lower front end on the cylinder head, while the fuel injector over flanges and in the longitudinal direction of the fuel injector is screwed to the cylinder head.
  • the fuel injector can be different pressed deep into the potting compound in the sleeve become.
  • the screw connections are in the assembled state of the fuel injector so tight that the associated flanges on the top end of the sleeve seated.
  • Such attachment of the fuel injector is very complex since it is completely embedded the fuel injector into an elastic mass and their Enclosure required by a sleeve. A renewal of the Embedding in the event of their damage or aging is included the previously known arrangement practically not possible.
  • the fuel injection arrangement accordingly has a fuel injector on which one on the cylinder head of the cylinder Internal combustion engine is attached.
  • the arrangement is thereby characterized that between the usually across - but also up to an angle of 45 ° - to the longitudinal axis of the fuel injector extending contact surfaces of Fuel injector on the one hand and cylinder head on the other a damping material is arranged.
  • Holding forces is fixed - for example by in Axial screws - they are at right angles contact surfaces extending to the longitudinal axis of the fuel injector on the fuel injector on the one hand and the cylinder head on the other under a substantially perpendicular to the contact areas current load.
  • This vertical Force load is from the damping material between the Contact areas added or forwarded, the Damping material advantageously a pure compression is subjected to shear forces.
  • the damping material is preferably in the form of a washer formed, wherein the fuel injector is annular surrounds.
  • Such an annular formation of the Damping material allows a particularly simple and at the same time secure attachment of the damping material to the fuel injector.
  • the damping material from several layers.
  • the layers can be different or consist of the same materials.
  • By using different layers of damping material can change the thickness of the entire layer as needed can be set. Furthermore, by using different Materials with special properties set a specific desired damping behavior become.
  • the layered damping material preferably has one Overall thickness of approx. 2 to 3 mm. With a multi-layer damping material this preferably consists of different ones Layers of the same thickness, for example from five layers with one Thickness of 0.5 mm each.
  • the damping material can be metal, rubber and / or a plastic, in particular a tetrafluoroethylene material Act (Teflon®).
  • Teflon® tetrafluoroethylene material Act
  • the materials used must have the desired damping behavior for vibrations and noises generated in the fuel injector must have, on the other hand, they must be mechanical and be thermally sufficiently stable to withstand the loads to withstand which they during the operation of the fuel injection assembly are exposed. The above materials have been particularly beneficial in this regard proved.
  • Figure 1 shows a side view of an internal combustion engine.
  • the fuel injectors are from the associated ones Bores in the cylinder head 4 removed, being representative a fuel injector 1 in an exploded view is shown to the type of its attachment in the illustrated holes.
  • the fuel injector 1 is an enlarged Side view shown in more detail. It can be seen that the fuel injector 1 is essentially cylindrical is constructed with a longitudinal axis L. Towards this The longitudinal axis L becomes the fuel injector 1 in the bores of the cylinder head 4 used. After striking the broadened trained middle section 6 of the fuel injector 1 on the edge of the hole in the cylinder head this becomes attached to the cylinder head using the stopper 3.
  • the Stopper 3 has a central opening and sits with the edges of this opening at the top of the front Fuel injector 1 to this with an axial force (i.e. a force in the direction of the longitudinal axis L, see arrow in Figure 2).
  • Figure 3 shows the washer 5 and 5a in cross section. It can be seen that the washer from - in the shown Example five - there are different layers with a single thickness of approx. 0.5 mm, a total thickness of 2.5 mm.
  • the individual layers can be the same or also have different thicknesses. Furthermore, they can consist of the same or different materials, whereby the washer 5 is preferably made of metal, rubber and / or a plastic such as Teflon is made.

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)
EP01100697A 2001-01-12 2001-01-12 Agencement insonorisant de rondelles sous une tuyère d'injection Expired - Lifetime EP1223337B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP01100697A EP1223337B1 (fr) 2001-01-12 2001-01-12 Agencement insonorisant de rondelles sous une tuyère d'injection
DE50110145T DE50110145D1 (de) 2001-01-12 2001-01-12 Geraeuschreduzierende Anordnung von Unterlegscheiben unter einer Einspritzduese
JP2002002208A JP2003003931A (ja) 2001-01-12 2002-01-09 燃料噴射装置
US09/683,518 US6578554B2 (en) 2001-01-12 2002-01-11 Fuel injection arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01100697A EP1223337B1 (fr) 2001-01-12 2001-01-12 Agencement insonorisant de rondelles sous une tuyère d'injection

Publications (2)

Publication Number Publication Date
EP1223337A1 true EP1223337A1 (fr) 2002-07-17
EP1223337B1 EP1223337B1 (fr) 2006-06-14

Family

ID=8176190

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01100697A Expired - Lifetime EP1223337B1 (fr) 2001-01-12 2001-01-12 Agencement insonorisant de rondelles sous une tuyère d'injection

Country Status (4)

Country Link
US (1) US6578554B2 (fr)
EP (1) EP1223337B1 (fr)
JP (1) JP2003003931A (fr)
DE (1) DE50110145D1 (fr)

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006009094A1 (de) * 2006-02-28 2007-08-30 Bayerische Motoren Werke Ag Dämpfungseinrichtung und Dämpfungselement
WO2008003879A1 (fr) * 2006-07-05 2008-01-10 Peugeot Citroën Automobiles SA Dispositif pour amortir le bruit et les vibrations dues aux injecteurs dans un moteur de vehicule
WO2008080687A1 (fr) * 2006-12-28 2008-07-10 Robert Bosch Gmbh Dispositif de maintien pour soupape doseuse d'agent de réduction
DE102008002654A1 (de) 2008-06-26 2009-12-31 Robert Bosch Gmbh Entkoppelungselement für eine Brennstoffeinspritzvorrichtung
WO2010060709A1 (fr) * 2008-11-28 2010-06-03 Robert Bosch Gmbh Doseur de carburant
DE102008054591A1 (de) 2008-12-12 2010-06-17 Robert Bosch Gmbh Entkopplungselement für eine Brennstoffeinspritzvorrichtung
DE102009057406A1 (de) * 2009-12-08 2011-06-09 Continental Automotive Gmbh Einspritzventil und Anordnung aus einem Einspritzventil und einem Zylinderkopf einer Brennkraftmaschine
DE102011089295A1 (de) 2011-12-20 2013-06-20 Robert Bosch Gmbh Entkopplungselement für eine Brennstoffeinspritzvorrichtung
DE102011089274A1 (de) 2011-12-20 2013-06-20 Robert Bosch Gmbh Entkopplungselement für eine Brennstoffeinspritzvorrichtung
DE102012206194A1 (de) 2012-04-16 2013-10-17 Robert Bosch Gmbh Mehrteiliges Isolationselement, insbesondere für eine Brennstoffeinspritzvorrichtung
DE102014217555A1 (de) 2014-09-03 2016-03-03 Robert Bosch Gmbh Entkopplungselement für eine Brennstoffeinspritzvorrichtung
DE102014225976A1 (de) 2014-12-16 2016-06-16 Robert Bosch Gmbh Brennstoffeinspritzvorrichtung
DE102014225988A1 (de) 2014-12-16 2016-06-16 Robert Bosch Gmbh Entkopplungselement für eine Brennstoffeinspritzvorrichtung
DE102015217500A1 (de) 2015-09-14 2017-03-16 Robert Bosch Gmbh Entkopplungselement für eine Brennstoffeinspritzvorrichtung
DE102016225956A1 (de) 2016-12-22 2018-06-28 Robert Bosch Gmbh Entkopplungselement für eine Brennstoffeinspritzvorrichtung
DE102017218008A1 (de) 2017-10-10 2019-04-11 Robert Bosch Gmbh Entkopplungselement für eine Brennstoffeinspritzvorrichtung
DE102017218002A1 (de) 2017-10-10 2019-04-11 Robert Bosch Gmbh Entkopplungselement für eine Brennstoffeinspritzvorrichtung
DE102017218007A1 (de) 2017-10-10 2019-04-11 Robert Bosch Gmbh Entkopplungselement für eine Brennstoffeinspritzvorrichtung
DE102017220248A1 (de) 2017-11-14 2019-05-16 Robert Bosch Gmbh Brennstoffeinspritzvorrichtung
DE102020214113A1 (de) 2020-11-10 2022-05-12 Robert Bosch Gesellschaft mit beschränkter Haftung Brennstoffeinspritzvorrichtung
DE102021214902A1 (de) 2021-12-22 2023-06-22 Robert Bosch Gesellschaft mit beschränkter Haftung Entkopplungselement für eine Brennstoffeinspritzvorrichtung
DE102021214900A1 (de) 2021-12-22 2023-06-22 Robert Bosch Gesellschaft mit beschränkter Haftung Ventil zum Zumessen eines Fluids

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10337892A1 (de) * 2003-08-18 2005-03-17 Daimlerchrysler Ag Brennstoffeinspritzventil
FR2880663B1 (fr) * 2005-01-11 2007-04-06 Peugeot Citroen Automobiles Sa Dispositif d'amortissement de vibrations, ainsi que moteur a combustion interne et vehicule automobile comprenant un tel dispositif
DE102005011574A1 (de) * 2005-03-14 2006-09-21 Robert Bosch Gmbh Zwischenelement für ein Brennstoffeinspritzventil
EP2148082B1 (fr) * 2008-07-24 2011-10-19 Continental Automotive GmbH Arrangement de couplage pour une soupape d'injection et soupape d'injection
US8069842B2 (en) * 2009-07-02 2011-12-06 Robert Bosch Gmbh Injector mounting assembly
US8469004B2 (en) 2010-09-14 2013-06-25 Ford Global Technologies, Llc Beveled dampening element for a fuel injector
JP7476827B2 (ja) * 2021-03-12 2024-05-01 トヨタ自動車株式会社 燃料噴射装置用制振インシュレータ

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DE2908095A1 (de) * 1979-03-02 1980-09-04 Bosch Gmbh Robert Kraftstoffeinspritzanlage
GB2115065A (en) * 1979-06-05 1983-09-01 Yanmar Diesel Engine Co Open combustion chamber type diesel engine
US4938193A (en) * 1987-06-15 1990-07-03 Stanadyne Automotive Corp. Fuel injection nozzle
DE19600403A1 (de) * 1995-01-25 1996-08-01 Zexel Corp Elektromagnetisches Brennstoff-Einspritzventil und Befestigungsstruktur
EP0825342A1 (fr) * 1996-08-22 1998-02-25 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Culasse pour moteur à combustion
US5954343A (en) * 1995-10-17 1999-09-21 Mitsubishi Denki Kabushika Kaisha Seal ring
US6009856A (en) 1998-05-27 2000-01-04 Caterpillar Inc. Fuel injector isolation

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US2777431A (en) * 1953-08-28 1957-01-15 Maschf Augsburg Nuernberg Ag Injection nozzle arrangement
US3038456A (en) * 1961-01-27 1962-06-12 Allis Chalmers Mfg Co Self-locking nozzle gasket
US3382851A (en) * 1966-04-26 1968-05-14 Bosch Arma Corp Fuel injection nozzle assembly
DE2149817B2 (de) * 1971-10-06 1975-08-21 Daimler-Benz Ag, 7000 Stuttgart Anordnung eines Kraftstoffeinspritzventils zur elektronisch gesteuerten Benzineinspritzung in den Ansaugkanal einer Brennkraftmaschine
DE2242824C3 (de) * 1972-08-31 1975-05-15 Dr.-Ing.H.C. F. Porsche Ag, 7000 Stuttgart Brennstoffeinspritzdüsenbefestigung
US4133321A (en) * 1972-12-21 1979-01-09 Robert Bosch Gmbh Clamping device for fuel injection nozzles
DE3000061C2 (de) * 1980-01-03 1993-10-14 Bosch Gmbh Robert Kraftstoffeinspritzdüse für Brennkraftmaschinen
US4506645A (en) * 1983-06-10 1985-03-26 Deere & Company Load carrying assembly for an internal combustion engine
US4528959A (en) * 1984-01-23 1985-07-16 Deere & Company Seal for an internal combustion engine
DE3406487A1 (de) * 1984-02-23 1985-08-29 Bayerische Motoren Werke AG, 8000 München Einspritzventil fuer gemischverdichtende brennkraftmaschinen, insbesondere fuer einzelsaugrohr-einspritzung
DE3502919A1 (de) * 1985-01-29 1986-07-31 Bayerische Motoren Werke AG, 8000 München Einspritzventil fuer gemischverdichtende brennkraftmaschinen
US5044340A (en) * 1990-01-30 1991-09-03 Siemens Automotive L.P. Fuel injectors having adapter grommet
US5125383A (en) * 1990-07-18 1992-06-30 Volkswagen Ag Mounting arrangement for a fuel injection pump nozzle in a cylinder head

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2908095A1 (de) * 1979-03-02 1980-09-04 Bosch Gmbh Robert Kraftstoffeinspritzanlage
GB2115065A (en) * 1979-06-05 1983-09-01 Yanmar Diesel Engine Co Open combustion chamber type diesel engine
US4938193A (en) * 1987-06-15 1990-07-03 Stanadyne Automotive Corp. Fuel injection nozzle
DE19600403A1 (de) * 1995-01-25 1996-08-01 Zexel Corp Elektromagnetisches Brennstoff-Einspritzventil und Befestigungsstruktur
US5954343A (en) * 1995-10-17 1999-09-21 Mitsubishi Denki Kabushika Kaisha Seal ring
EP0825342A1 (fr) * 1996-08-22 1998-02-25 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Culasse pour moteur à combustion
US6009856A (en) 1998-05-27 2000-01-04 Caterpillar Inc. Fuel injector isolation

Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7600502B2 (en) 2006-02-28 2009-10-13 Bayerische Motoren Werke Aktiengesellschaft Damping device and damping element
DE102006009094A1 (de) * 2006-02-28 2007-08-30 Bayerische Motoren Werke Ag Dämpfungseinrichtung und Dämpfungselement
WO2008003879A1 (fr) * 2006-07-05 2008-01-10 Peugeot Citroën Automobiles SA Dispositif pour amortir le bruit et les vibrations dues aux injecteurs dans un moteur de vehicule
FR2903457A1 (fr) * 2006-07-05 2008-01-11 Peugeot Citroen Automobiles Sa Dispositif pour ameliorer le bruit et les vibrations dues aux injecteurs dans un moteur de vehicule
CN101568706B (zh) * 2006-12-28 2011-12-14 罗伯特·博世有限公司 用于还原剂计量阀的保持装置
WO2008080687A1 (fr) * 2006-12-28 2008-07-10 Robert Bosch Gmbh Dispositif de maintien pour soupape doseuse d'agent de réduction
US8757128B2 (en) 2008-06-26 2014-06-24 Robert Bosch Gmbh Decoupling element for a fuel injection device
DE102008002654A1 (de) 2008-06-26 2009-12-31 Robert Bosch Gmbh Entkoppelungselement für eine Brennstoffeinspritzvorrichtung
WO2010060709A1 (fr) * 2008-11-28 2010-06-03 Robert Bosch Gmbh Doseur de carburant
DE102008054591A1 (de) 2008-12-12 2010-06-17 Robert Bosch Gmbh Entkopplungselement für eine Brennstoffeinspritzvorrichtung
DE102009057406A1 (de) * 2009-12-08 2011-06-09 Continental Automotive Gmbh Einspritzventil und Anordnung aus einem Einspritzventil und einem Zylinderkopf einer Brennkraftmaschine
US9347411B2 (en) 2011-12-20 2016-05-24 Robert Bosch Gmbh Decoupling element for a fuel injection device
DE102011089295A1 (de) 2011-12-20 2013-06-20 Robert Bosch Gmbh Entkopplungselement für eine Brennstoffeinspritzvorrichtung
DE102011089274A1 (de) 2011-12-20 2013-06-20 Robert Bosch Gmbh Entkopplungselement für eine Brennstoffeinspritzvorrichtung
WO2013091998A1 (fr) 2011-12-20 2013-06-27 Robert Bosch Gmbh Élément de désaccouplement pour un dispositif d'injection de carburant
US9938947B2 (en) 2011-12-20 2018-04-10 Robert Bosch Gmbh Decoupling element for a fuel injection device
DE102012206194A1 (de) 2012-04-16 2013-10-17 Robert Bosch Gmbh Mehrteiliges Isolationselement, insbesondere für eine Brennstoffeinspritzvorrichtung
WO2013156258A1 (fr) 2012-04-16 2013-10-24 Robert Bosch Gmbh Élément d'isolation en plusieurs parties, en particulier pour un dispositif d'injection de carburant
US10648438B2 (en) 2012-04-16 2020-05-12 Robert Bosch Gmbh Multipart insulating element, in particular for a fuel injection device
DE102014217555A1 (de) 2014-09-03 2016-03-03 Robert Bosch Gmbh Entkopplungselement für eine Brennstoffeinspritzvorrichtung
DE102014225976A1 (de) 2014-12-16 2016-06-16 Robert Bosch Gmbh Brennstoffeinspritzvorrichtung
WO2016096204A1 (fr) 2014-12-16 2016-06-23 Robert Bosch Gmbh Dispositif d'injection de carburant
WO2016096200A1 (fr) 2014-12-16 2016-06-23 Robert Bosch Gmbh Élément de désaccouplement pour dispositif d'injection de carburant
US10197033B2 (en) 2014-12-16 2019-02-05 Robert Bosch Gmbh Fuel-injection device
DE102014225988A1 (de) 2014-12-16 2016-06-16 Robert Bosch Gmbh Entkopplungselement für eine Brennstoffeinspritzvorrichtung
US10641224B2 (en) 2014-12-16 2020-05-05 Robert Bosch Gmbh Decoupling element for a fuel-injection device
DE102015217500A1 (de) 2015-09-14 2017-03-16 Robert Bosch Gmbh Entkopplungselement für eine Brennstoffeinspritzvorrichtung
US9885331B2 (en) 2015-09-14 2018-02-06 Robert Bosch Gmbh Decoupling element for a fuel injection device
DE102016225956A1 (de) 2016-12-22 2018-06-28 Robert Bosch Gmbh Entkopplungselement für eine Brennstoffeinspritzvorrichtung
DE102017218007A1 (de) 2017-10-10 2019-04-11 Robert Bosch Gmbh Entkopplungselement für eine Brennstoffeinspritzvorrichtung
DE102017218002A1 (de) 2017-10-10 2019-04-11 Robert Bosch Gmbh Entkopplungselement für eine Brennstoffeinspritzvorrichtung
DE102017218008A1 (de) 2017-10-10 2019-04-11 Robert Bosch Gmbh Entkopplungselement für eine Brennstoffeinspritzvorrichtung
US11047354B2 (en) 2017-10-10 2021-06-29 Robert Bosch Gmbh Decoupling element for a fuel injection device
DE102017220248A1 (de) 2017-11-14 2019-05-16 Robert Bosch Gmbh Brennstoffeinspritzvorrichtung
DE102020214113A1 (de) 2020-11-10 2022-05-12 Robert Bosch Gesellschaft mit beschränkter Haftung Brennstoffeinspritzvorrichtung
DE102021214902A1 (de) 2021-12-22 2023-06-22 Robert Bosch Gesellschaft mit beschränkter Haftung Entkopplungselement für eine Brennstoffeinspritzvorrichtung
DE102021214900A1 (de) 2021-12-22 2023-06-22 Robert Bosch Gesellschaft mit beschränkter Haftung Ventil zum Zumessen eines Fluids

Also Published As

Publication number Publication date
JP2003003931A (ja) 2003-01-08
EP1223337B1 (fr) 2006-06-14
DE50110145D1 (de) 2006-07-27
US20020139352A1 (en) 2002-10-03
US6578554B2 (en) 2003-06-17

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