EP2388464B1 - Moteurs à combustion interne et couvre culasse - Google Patents

Moteurs à combustion interne et couvre culasse Download PDF

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Publication number
EP2388464B1
EP2388464B1 EP11165945.4A EP11165945A EP2388464B1 EP 2388464 B1 EP2388464 B1 EP 2388464B1 EP 11165945 A EP11165945 A EP 11165945A EP 2388464 B1 EP2388464 B1 EP 2388464B1
Authority
EP
European Patent Office
Prior art keywords
cylinder head
interface
head cover
combustion engine
internal combustion
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.)
Active
Application number
EP11165945.4A
Other languages
German (de)
English (en)
Other versions
EP2388464A1 (fr
Inventor
Ulrich Hütter
Jan Scheffel
Daniel Wirbel
Julian Cojocaru
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.)
Mahle International GmbH
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Mahle International GmbH
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Publication date
Application filed by Mahle International GmbH filed Critical Mahle International GmbH
Publication of EP2388464A1 publication Critical patent/EP2388464A1/fr
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Publication of EP2388464B1 publication Critical patent/EP2388464B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/006—Camshaft or pushrod housings
    • 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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/005—Arrangement of electrical wires and connections, e.g. wire harness, sockets, plugs; Arrangement of electronic control circuits in or on fuel injection apparatus

Definitions

  • An internal combustion engine designed as a piston engine usually has a cylinder head with a cylinder head interior, which is open at a cylinder head side. To cover the cylinder head interior on the open cylinder head side, a cylinder head cover can be mounted on the cylinder head. In the cylinder head interior, an internal wiring can be laid, with the help of electrical components of the engine, such. B. the fuel injectors, ignition devices for spark-ignition engines or heaters for self-igniting engines or electromagnetic gas exchange valves can be supplied with electrical energy or electrically controlled.
  • the problem now is to electrically connect the inner wiring through the cylinder head cover with an external wiring.
  • a cylinder head cover on the outside of which a plurality of electrical interfaces are integrally formed. Furthermore, electrical lines can be integrated in the wall of the cylinder head cover.
  • the present invention is concerned with the problem of providing for an internal combustion engine or for an associated cylinder head cover an improved embodiment, which is characterized in particular by a simplified assembly. As a result, in particular a maintenance in which the cylinder head cover is removed from the cylinder head to be simplified.
  • the invention is based on the general idea of equipping the cylinder head cover with at least one connecting bridge having an inner connection interface and an outer connection interface electrically connected thereto.
  • the inner connection interface of the connection bridge is designed to be complementary to an internal interface, which is arranged in the cylinder head interior stationary on the cylinder head, which is electrically connected to the internal wiring.
  • the outer connection interface of the connection bridge is configured complementary to an external interface, which is arranged outside of the cylinder head interior, which is arranged stationary relative to the cylinder head and which is electrically connected to an external wiring.
  • the arrangement and configuration of the interfaces and the connection interfaces can now be selectively selected according to an advantageous embodiment so that the mutually complementary interfaces are automatically electrically connected to each other when mounting the cylinder head cover on the cylinder head and automatically disconnected from each other when disassembling the cylinder head cover from the cylinder head.
  • a hood seal which extends between the interfaces, so that the internal interface is disposed within the hood seal, while the external interface is disposed outside of the hood seal.
  • an inner interface seal enclosing the internal interface may be provided between the cylinder head and the cylinder head cover.
  • an external interface seal enclosing the external interface can be provided between the cylinder head and the cylinder head cover.
  • Such an interface seal can be provided in addition to the aforementioned hood seal to seal the respective interface taken by itself. This creates an additional protection of the electrical contacts that are located within the respective interface.
  • the respective interface seal can basically represent a separate component with respect to the hood seal.
  • an embodiment is particularly advantageous wherein at least one of these interface seals is integrally formed on the hood seal. This simplifies assembly, since only one component, namely the hood seal with the respective integrated interface seal must be mounted on the cylinder head cover or on the cylinder head.
  • the connecting bridge with respect to the cylinder head cover may be a separate component which is mounted on the cylinder head cover.
  • the connecting bridge can be fixedly or detachably attached to the cylinder head cover.
  • connection bridge may have a body in which an electrical contact comprising a plurality of electrical contacts is embedded, which electrically connects the connection interfaces to one another.
  • This body of the connecting bridge can now be mounted on the cylinder head cover, fixed or detachable, or be formed by an integral part of the cylinder head cover.
  • the present invention relates not only to the internal combustion engine equipped with such a cylinder head cover and associated dedicated internal and external wiring, but also to a cylinder head cover having at least one connection bridge of the type described above suitable for use in such an internal combustion engine.
  • the cylinder head cover may have an inner through opening through which the internal interface is electrically connectable to the inner connection interface. Additionally or alternatively, the cylinder head cover may have an outer passage opening, through which the external interface with the outer connection interface is electrically contacted.
  • FIGS. 1 to 4 includes an internal combustion engine 1, which is preferably designed as a piston engine and which may be arranged in particular in a motor vehicle, a cylinder head 2 and a cylinder head cover 3.
  • the cylinder head 2 has a cylinder head interior 4, which is open at a cylinder head side.
  • the open cylinder head side is usually at the top.
  • the cylinder head interior 4 is closed or covered with the aid of the cylinder head cover 3 on the open cylinder head side.
  • the cylinder head cover 3 is mounted on the cylinder head 2.
  • the cylinder head cover 3 is now equipped with at least one connecting bridge 10, which has an internal connection interface 11 and an external connection interface 12 and connects to each other electrically.
  • the internal connection interface 11 is designed to be complementary to the internal interface 7, for example as a multi-pole socket or socket or as a multipolar plug.
  • the external connection interface 12 is designed to be complementary to the external interface 9, for example as a multi-pole socket or socket or as a multipolar plug.
  • the connecting bridge 10 has a body 15, in which an electrical contact 16 is embedded, which consists in particular of several electrical wires or wires. With the help of this contact 16, the connection interfaces 11 and 12 of the connecting bridge 10 are electrically connected to each other, so that when mounted connection bridge 10 on each other interacting interfaces 7,9,11,12 the internal wiring 6 is connected to the external wiring 8.
  • the connecting bridge 10 may be a separate component with respect to the cylinder head cover 3.
  • the connecting bridge 10 can then be mounted after mounting the cylinder head cover 3. It can also be fixed or releasably attached to the cylinder head cover 3, so that at the same time with the mounting of the cylinder head cover 3, the connecting bridge 10 is mounted.
  • an integral formation of the connecting bridge 10 on the cylinder head cover 3 is particularly advantageous.
  • the body 15 of the connecting bridge 10 is then an integral part of the cylinder head cover 3.
  • the cylinder head cover 3 is injection molded with the connecting bridge 10 in a common injection molding tool in one piece.
  • the electrical contact 16 forms an insert into the respective injection mold, which is injection-molded by the plastic of the cylinder head cover 3 during injection molding.
  • an embodiment in which the interfaces 7, 9 and the connection interfaces 11, 12 and the connecting bridge 10 are configured and arranged and matched to one another is such that when mounting the cylinder head cover 3 on the cylinder head 2, the interfaces 7, 9 with the connection interfaces 11 , 12 are automatically electrically connected to each other, while these electrical connections between the interfaces 7,9,11,12 are automatically disconnected electrically when disassembling the cylinder head cover 3.
  • a hood seal 17 is arranged between the interfaces 7, 9, such that the internal interface 7 is arranged within the hood seal 17, that is to say on a side facing the cylinder head interior 4, while the external interface 9 is outside the hood seal 17, that is, at one of the cylinder head interior 4 opposite side is arranged.
  • an inner interface seal 18 is also provided which encloses the internal interface 7 and is likewise arranged between the cylinder head 2 and the cylinder head cover 3.
  • the cylinder head cover 3 has a suitable receiving groove 19 into which the inner interface seal 18 is inserted.
  • an outer interface seal 20 is provided which surrounds the external interface 9 and which is inserted here into a further receiving groove 21 which is formed on the cylinder head cover 3.
  • the interface seals 18, 20 are based, for example, axially on an annular collar 22 or 23, which encloses the internal interface 7 or the external interface 9.
  • the hood seal 17 and the interface seals 18,20 are designed as axially acting seals.
  • the interface seals 18,20 are suitably designed annular.
  • the connecting bridge 10 is a respect.
  • the cylinder head cover 3 separate component. So it is also possible, the connecting bridge 10 according to Fig. 3 to assemble to connect the internal wiring 6 to the external wiring 8, even if the cylinder head cover 3 is missing. This can be advantageous for certain investigations of the internal combustion engine 1.
  • the cylinder head cover 3 can, as shown in the figures, via other functional units, such as. an oil filler neck 29 with a lid 30 or a crankcase ventilation 31 or their connections 32, have.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Claims (11)

  1. Moteur à combustion interne, notamment d'un véhicule automobile,
    - comportant une culasse (2), qui présente sur un côté de culasse un espace intérieur de culasse (4) ouvert,
    - comportant un couvercle de culasse (3), qui peut être monté afin de recouvrir l'espace intérieur de culasse (4) sur le côté de culasse ouvert sur la culasse (2),
    - comportant un câblage (6) interne placé dans l'espace intérieur de culasse (4) à des fins d'alimentation en énergie électrique et/ou de commande électrique des composants électriques du moteur à combustion interne (1),
    - dans lequel le câblage interne (6) présente au moins une interface électrique interne (7), qui est disposée de manière stationnaire sur la culasse (2) dans l'espace intérieur de culasse (4),
    - dans lequel au moins un pont de liaison (10) est prévu, qui présente une interface de liaison intérieure (11), qui est conçue de manière complémentaire à l'interface intérieure (7), et une interface de liaison extérieure (12) qui lui est reliée électriquement, qui est conçue de manière complémentaire à une interface électrique externe (9) d'un câblage externe (8) disposée à l'extérieur de l'espace de culasse (4),
    caractérisé en ce que
    l'interface externe (9) est disposée de manière stationnaire relativement à la culasse (2), en ce que les interfaces (7, 9), les interfaces de liaison (11, 12) ainsi que le pont de liaison (10) sont conçus et disposés et harmonisés les uns aux autres de telle sorte que lors du montage du couvercle de culasse (3) sur la culasse (2) ils soient automatiquement relies électriquement les uns aux autres et soient automatiquement séparés électriquement lors du démontage du couvercle de culasse (3) de la culasse (2).
  2. Moteur à culasse interne selon la revendication 1, caractérisé en ce que les interfaces (7, 9) et les interfaces de liaison (11, 12) forment respectivement une liaison par enfichage électrique, dans lequel les deux liaisons par enfichage possèdent des directions d'enfichage (13, 14) parallèles l'une à l'autre.
  3. Moteur à combustion interne selon la revendication 2, caractérisé en ce que
    - la liaison par enfichage entre l'interface interne (7) et l'interface de liaison intérieure (11) se fait à travers une ouverture traversante (27) intérieure réalisée sur le couvercle de culasse (3),
    - la liaison par enfichage entre l'interface externe (9) et l'interface de liaison extérieure (12) se fait à travers une ouverture traversante extérieure (28) réalisée sur le couvercle de culasse (3).
  4. Moteur à combustion interne selon une des revendications 1 à 3, caractérisé en ce que entre la culasse (2) et le couvercle de culasse (3) un joint d'étanchéité de couvercle (17) est disposé, qui s'étend au travers entre les interfaces (7,9), de telle sorte que l'interface intérieure (7) soit disposée à l'intérieur du joint d'étanchéité de couvercle (17), alors que l'interface externe (9) est disposée à l'extérieur du joint d'étanchéité de couvercle (17).
  5. Moteur à combustion interne selon la revendication 4, caractérisé en ce que le couvercle de culasse (3) présente au niveau du pont de liaison (10) un gradin (26), qui s'étend au travers entre l'interface interne (7) et l'interface externe (9) et il renferme dans cet espace le joint d'étanchéité de couvercle (17).
  6. Moteur à combustion interne selon une des revendications 1 à 5, caractérisé en ce que un joint d'étanchéité d'interface interne (18) enveloppant l'interface interne (7) et/ou un joint d'étanchéité d'interface externe (20) enveloppant l'interface externe (9) est/sont prévus.
  7. Moteur à combustion interne selon une des revendications 4 à 6, caractérisé en ce que au moins un tel joint d'étanchéité d'interface (18, 20) est fabriqué en un seul tenant sur le joint d'étanchéité de couvercle (17).
  8. Moteur à combustion interne selon une des revendications 1 à 7, caractérisé en ce que le pont de liaison (10), resp. le couvercle de culasse (3) est un composant séparé, dans lequel il peut être notamment prévu que le pont de liaison (10) soit monté de manière fixe ou amovible sur le couvercle de culasse (3).
  9. Moteur à combustion interne selon une des revendications 1 à 7, caractérisé en ce que le pont de liaison (10) est fabriqué en un seul tenant sur le couvercle de culasse (3).
  10. Moteur à combustion interne selon une des revendications 1 à 9, caractérisé en ce que dans un corps (15) du pont de liaison (10), un contact électrique (16) est intégré, qui relie électriquement les interfaces de liaison (11, 12).
  11. Couvercle de culasse pour un moteur à combustion interne (1), notamment selon une des revendications 1 à 10, pour recouvrir un espace intérieur de culasse (4) d'une culasse (2), comportant au moins un pont de liaison (10), qui présente une interface de liaison intérieure électrique (11), qui est conçue de manière complémentaire à une interface intérieure électrique (7) d'un câblage interne (6), réalisée dans l'espace intérieur de culasse (4), et une interface de liaison électrique extérieure (12) qui lui est reliée électriquement, qui est conçue de manière complémentaire à une interface (9) électrique d'un câblage externe (8) disposée à l'extérieur d'un espace intérieur de culasse (4), caractérisé en ce que les interfaces (7, 9), les interfaces de liaison (11, 12) ainsi que le pont de liaison (10) sont conçus et disposés et harmonisés l'un à l'autre de telle sorte que lors du montage du couvercle de culasse (3) sur la culasse (2) les interfaces (7, 9, 11, 12) soient électriquement reliées automatiquement l'une à l'autre et soient électriquement séparées automatiquement l'une de l'autre lors du démontage du couvercle de culasse (3) de la culasse (3).
EP11165945.4A 2010-05-19 2011-05-13 Moteurs à combustion interne et couvre culasse Active EP2388464B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010020982A DE102010020982A1 (de) 2010-05-19 2010-05-19 Brennkraftmaschine und Zylinderkopfhaube

Publications (2)

Publication Number Publication Date
EP2388464A1 EP2388464A1 (fr) 2011-11-23
EP2388464B1 true EP2388464B1 (fr) 2013-04-17

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US (1) US8590503B2 (fr)
EP (1) EP2388464B1 (fr)
DE (1) DE102010020982A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3038029B1 (fr) * 2015-06-23 2017-12-29 Renault Sas Dispositif de fixation d’au moins un faisceau electrique sur un carter
USD931763S1 (en) * 2020-02-25 2021-09-28 Ciro Corporation Pair of motorcycle engine cylinder head covers

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2742332B2 (de) 1977-09-20 1981-03-19 Heinz-Theo Dipl.-Ing. 5300 Bonn Walbröhl Verfahren zur Steuerung der Vortriebseinrichtung eines Messerschildes sowie eine Messerschildvortriebseinrichtung und ein Vortriebsmesser zur Durchführung eines derartigen Verfahrens
US5003958A (en) * 1988-12-27 1991-04-02 Nissan Motor Co., Ltd. Ignition coil mounting structure for engine
JPH03260335A (ja) * 1990-03-08 1991-11-20 Nippondenso Co Ltd エンジン制御系配線
US5035637A (en) * 1990-05-04 1991-07-30 Navistar International Transportation Corp. Engine valve cover gasket with electrical bridge
JP2700115B2 (ja) * 1992-02-26 1998-01-19 矢崎総業株式会社 エンジン取付け部品の電気配線方法
DE29603254U1 (de) 1996-02-23 1997-07-17 Robert Bosch Gmbh, 70469 Stuttgart Zylinderkopfhaube einer Brennkraftmaschine
JPH09317556A (ja) 1996-05-23 1997-12-09 Toyota Motor Corp シリンダヘッドカバー
JP2000274256A (ja) * 1999-03-23 2000-10-03 Isuzu Motors Ltd エンジンのインジェクタハーネス配線装置
DE60130663T2 (de) * 2001-11-13 2008-07-17 Perkins Engines Co. Ltd. Zylinderkopfhaube mit elektrischer Verbindung
JP4327704B2 (ja) * 2004-11-24 2009-09-09 トヨタ自動車株式会社 シリンダヘッドカバー
JP4253635B2 (ja) * 2004-11-30 2009-04-15 トヨタ自動車株式会社 シリンダヘッドカバー

Also Published As

Publication number Publication date
EP2388464A1 (fr) 2011-11-23
DE102010020982A1 (de) 2011-11-24
US20110290210A1 (en) 2011-12-01
US8590503B2 (en) 2013-11-26

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