EP2828518A1 - Élément structural enrobé de manière étanche par extrusion et procédé pour produire un élément structural de ce type - Google Patents

Élément structural enrobé de manière étanche par extrusion et procédé pour produire un élément structural de ce type

Info

Publication number
EP2828518A1
EP2828518A1 EP13706214.7A EP13706214A EP2828518A1 EP 2828518 A1 EP2828518 A1 EP 2828518A1 EP 13706214 A EP13706214 A EP 13706214A EP 2828518 A1 EP2828518 A1 EP 2828518A1
Authority
EP
European Patent Office
Prior art keywords
encapsulation
insert element
insert
base part
space
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Withdrawn
Application number
EP13706214.7A
Other languages
German (de)
English (en)
Inventor
Ralf Kromer
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2828518A1 publication Critical patent/EP2828518A1/fr
Withdrawn legal-status Critical Current

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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F02M61/08—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series the valves opening in direction of fuel flow
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0057—Means for avoiding fuel contact with valve actuator, e.g. isolating actuators by using bellows or diaphragms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a non-planar shape
    • B32B1/08—Tubular products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
    • B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/06—Coating on the layer surface on metal layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/34—Inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2581/00—Seals; Sealing equipment; Gaskets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • 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
    • F02M2200/8046—Fuel injection apparatus manufacture, repair or assembly the manufacture involving injection moulding, e.g. of plastic or metal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/1355—Elemental metal containing [e.g., substrate, foil, film, coating, etc.]
    • Y10T428/1359—Three or more layers [continuous layer]

Definitions

  • the present invention relates to a component which is encapsulated with a further material. Furthermore, the invention relates to a method for manufacturing a molded component and a fuel injection device for an internal combustion engine, which comprises an overmolded component according to the invention.
  • the device according to the invention according to claim 1 comprises a base part on which an insert element is mounted. Between the base part and insert element, a sealing element is inserted.
  • the component further comprises a
  • the sealing element is preferably designed such that, despite the different coefficients of expansion of the base part and encapsulation in the case of temperature fluctuations, it always remains in contact with the base part and the insert element. In this way, one is compared to the
  • the component according to the invention therefore enables a tight encapsulation, in which the tightness even with changing
  • the sealing element is within a space, wherein the space is preferably an annular space attached, which is encapsulated with respect to the encapsulation.
  • the encapsulation can not reach the seal element and damage it.
  • the sealing element can deform freely elastically under changing environmental conditions. This allows for a sufficient seal
  • the space is preferably an annulus.
  • the space for the sealing element is formed by the insert element and the base element.
  • This can be realized for example by a pot-shaped or substantially cylindrical insert element which is applied to the base part, so that a surface of the insert element covers the base part.
  • the space may be defined by two angled surfaces of the base part and by two angled ones
  • the insert element is preferably constructed in two parts and comprises a first part and a second part.
  • the space for the sealing element is preferably formed by at least one surface of the base part, the first part and the second part of the insert element. In this case, both the first and the second part of the insert element are in contact with a surface of the
  • the base part Due to the two-part shape of the insert element, the base part can take on more varied forms than was the case with the first alternative.
  • the base part preferably has a recess which is covered by the insert element.
  • the insert element and / or the base element is completely encapsulated.
  • a complete encapsulation of the insert element is for a secure encapsulation of the space for the
  • a complete encapsulation of the base part allows comprehensive protection of the base part from external influences.
  • the insert element has a melting region, which is fused with the encapsulation.
  • This melting region may comprise a partial region or even the entire insert element. The fusion ensures that the encapsulation and the insert element are firmly and securely connected to one another and can no longer detach from one another.
  • the invention relates to a method according to claim 9, comprising the following steps: First, a base part, a
  • Seal element and an insert element are provided. Subsequently, the sealing element and the insert element in such a way
  • the sealing element is located within a space between the base member and insert member, which is encapsulated from the environment. This ensures that no melt can penetrate into the space of the sealing element during the final at least partial extrusion coating of insert element and base element. In this way, the sealing element can deform sufficiently elastic to even at
  • the process is carried out by inserting during the step of extrusion-coating the base part and the inserting element
  • Melting area of the insert element is fused with the encapsulation.
  • the insert element and the encapsulation may, after the encapsulation step, when the encapsulation has cured,
  • Plastic welding can be used. This step has the advantage that encapsulation and insert element form a unit, so that they can not solve. This ensures the tightness between insert element and encapsulation.
  • the invention relates to a fuel injection device for a
  • Fuel injection device a device according to the invention, as described above.
  • the device according to the invention is advantageous in the
  • Fuel injector used in fuel-carrying areas since a component is required, which has an encapsulation, wherein the
  • Figure 1 is a sectional view of a device according to a first
  • FIG. 2 shows a sectional view of the component according to a second preferred embodiment of the invention
  • Figure 3 is a sectional view of the device according to a third preferred embodiment of the invention.
  • Figure 4 is a schematic view of an injection valve, a
  • Embodiments of the invention comprises.
  • FIG. 1 shows the component 1 according to the invention in a sectional view according to a first embodiment.
  • the component 1 is preferably used in an injection valve, as shown in FIG.
  • the component comprises a base part 2, which is provided with an encapsulation 6.
  • the base part is in two parts with a first portion 21 and a second portion 22.
  • a sealing element 3 is used. That's it
  • Seal member 3 is disposed within a space 5, wherein the space 5 through surfaces of the base part 2 and through surfaces of a
  • Inlay element 4 is formed.
  • the base part 2 on two mutually perpendicular surfaces 23, 24, on the one hand form the boundary for the space 5 and on the other hand, the insert element 4 is applied.
  • the space 5 is completely isolated from the environment. Therefore, the sealing element 3, depending on the ambient conditions in the space 5 free deform elastically.
  • the sealing member 3 is an O-ring and has a circular cross section.
  • the space 4 is an annular space with a quadrangular cross-section. In particular, that fills
  • Seal element 3 within the space 4 can continue to deform elastically.
  • the insert element 4 is completely surrounded by an encapsulation 6, which partially covers the base part 2.
  • the sealing element 3 seals in
  • the insert element 4 has a
  • Melting area 7 in the form of a labyrinth. This melting region 7 is fused with the encapsulation 6, so that the encapsulation 6 and the
  • Insert element 4 at least partially form a unit. Overall, an increased tightness between encapsulation 6 and base part 2 is ensured even with changing environmental influences with this embodiment.
  • Figure 2 shows the device 1 according to a second embodiment of the invention in sectional view.
  • the component 1 of the second embodiment can also be used in an injection valve 100 (see FIG. Identical or functionally identical elements have been given the same reference numerals as in the preceding embodiment.
  • the insert member 4 is divided into two and consists of a first part 41 and a second part 42. Therefore, the space 5 in which the sealing member 3 is located, formed by other surfaces than this in the first embodiment was the case.
  • the space 5 is bounded by a surface of the base part 2, a surface of the first inserting element 41 and by two surfaces of the second part of the inserting element 42.
  • both the first part 41 and the second part 42 lie on the surface 5 delimiting the space 5 Base part 2 on.
  • the second part engages
  • the encapsulation 6 covered the second part 42 of the insert 4 completely and the first part 41 of the insert member 4 only partially.
  • the encapsulation 6 and the insert element 4 at least partially a unit.
  • Figure 3 shows the device 1, which, as shown in Figure 4, in a
  • Injector 100 may be used according to a third
  • the recess is large enough to accommodate the sealing element 3 completely.
  • the space 5 is formed by the insert element 4, which covers the recess of the base part 2. In this embodiment, only a partial
  • the encapsulation 6 comprises only a part of the insertion element 4. Analogous to the aforementioned
  • the insert element 4 has a melting region, which is fused with the encapsulation 6.
  • An advantage of this embodiment is that, by design, no melt can penetrate into the space 5.
  • the encapsulation of the room 5 is at a very low-complexity

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Electroluminescent Light Sources (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un élément structural comportant une partie de base (2), un élément d'étanchéité (3), un élément d'insertion (4) et un surmoulage (6) qui s'étend au moins en partie autour de l'élément d'insertion (4) et au moins en partie autour de la partie de base (2), ledit élément d'insertion (4) étant disposé entre le surmoulage (6) et l'élément d'étanchéité (3).
EP13706214.7A 2012-03-19 2013-02-18 Élément structural enrobé de manière étanche par extrusion et procédé pour produire un élément structural de ce type Withdrawn EP2828518A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012204305A DE102012204305A1 (de) 2012-03-19 2012-03-19 Dicht umspritztes Bauelement und Verfahren zum Erstellen eines solchen Bauelements
PCT/EP2013/053209 WO2013139545A1 (fr) 2012-03-19 2013-02-18 Élément structural enrobé de manière étanche par extrusion et procédé pour produire un élément structural de ce type

Publications (1)

Publication Number Publication Date
EP2828518A1 true EP2828518A1 (fr) 2015-01-28

Family

ID=47750647

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13706214.7A Withdrawn EP2828518A1 (fr) 2012-03-19 2013-02-18 Élément structural enrobé de manière étanche par extrusion et procédé pour produire un élément structural de ce type

Country Status (7)

Country Link
US (1) US20150028137A1 (fr)
EP (1) EP2828518A1 (fr)
JP (1) JP2015510988A (fr)
KR (1) KR20140133870A (fr)
CN (1) CN104204504B (fr)
DE (1) DE102012204305A1 (fr)
WO (1) WO2013139545A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015226452A1 (de) * 2015-12-22 2017-06-22 Robert Bosch Gmbh Ventil zum Zumessen eines Fluids
EP3470661A1 (fr) * 2017-10-10 2019-04-17 Continental Automotive GmbH Ensemble rail de carburant pour un moteur à combustion interne et son procédé de fabrication

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5616037A (en) * 1995-08-04 1997-04-01 Siemens Automotive Corporation Fuel rail with combined electrical connector and fuel injector retainer
EP1726865A2 (fr) * 2005-05-27 2006-11-29 Rasmussen GmbH Ensemble de raccordement de sections terminales de deux conduits de fluide à connecter
EP1755133A2 (fr) * 2005-08-15 2007-02-21 Delphi Technologies, Inc. Joint en matière plastique pour bobines

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
JPH0631581B2 (ja) * 1985-06-19 1994-04-27 株式会社日立製作所 電磁式燃料噴射弁
US20030012985A1 (en) * 1998-08-03 2003-01-16 Mcalister Roy E. Pressure energy conversion systems
JPH0542667U (ja) * 1991-11-07 1993-06-11 日本電子機器株式会社 フユーエルインジエクタ用電磁コイル
DE4421429A1 (de) * 1994-06-18 1995-12-21 Bosch Gmbh Robert Elektromagnetisch betätigbares Brennstoffeinspritzventil
US5820099A (en) * 1997-05-20 1998-10-13 Siemens Automotive Corporation Fluid migration inhibitor for fuel injectors
DE19736548A1 (de) * 1997-08-22 1999-02-25 Bosch Gmbh Robert Brennstoffeinspritzventil
WO1999066196A1 (fr) * 1998-06-18 1999-12-23 Robert Bosch Gmbh Injecteur de carburant
US6105884A (en) * 1999-09-15 2000-08-22 Delphi Technologies, Inc. Fuel injector with molded plastic valve guides
US6913210B2 (en) * 2001-09-28 2005-07-05 Holley Performance Products Fuel injector nozzle adapter
DE102005008038A1 (de) * 2005-02-22 2006-08-24 Robert Bosch Gmbh Kraftstoffzuteiler für eine Kraftstoffeinspritzanlage
DE102005037319A1 (de) * 2005-08-04 2007-02-08 Robert Bosch Gmbh Brennstoffeinspritzventil
DE102006047938A1 (de) * 2006-10-10 2008-04-17 Robert Bosch Gmbh Gespritztes Kunststoffbauteil mit Einlegeteil
DE102009002909A1 (de) * 2009-05-07 2010-11-18 Robert Bosch Gmbh Einspritzventil für ein Fluid
DE102010030286A1 (de) * 2010-06-21 2011-12-22 Walter Söhner GmbH & Co. KG Verteiler für ein Einspritzsystem

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5616037A (en) * 1995-08-04 1997-04-01 Siemens Automotive Corporation Fuel rail with combined electrical connector and fuel injector retainer
EP1726865A2 (fr) * 2005-05-27 2006-11-29 Rasmussen GmbH Ensemble de raccordement de sections terminales de deux conduits de fluide à connecter
EP1755133A2 (fr) * 2005-08-15 2007-02-21 Delphi Technologies, Inc. Joint en matière plastique pour bobines

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013139545A1 *

Also Published As

Publication number Publication date
CN104204504B (zh) 2018-09-18
DE102012204305A1 (de) 2013-09-19
KR20140133870A (ko) 2014-11-20
CN104204504A (zh) 2014-12-10
JP2015510988A (ja) 2015-04-13
US20150028137A1 (en) 2015-01-29
WO2013139545A1 (fr) 2013-09-26

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