EP0307571A2 - Cylinder head cover with inlet conduit for an internal combustion engine - Google Patents

Cylinder head cover with inlet conduit for an internal combustion engine Download PDF

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Publication number
EP0307571A2
EP0307571A2 EP88111124A EP88111124A EP0307571A2 EP 0307571 A2 EP0307571 A2 EP 0307571A2 EP 88111124 A EP88111124 A EP 88111124A EP 88111124 A EP88111124 A EP 88111124A EP 0307571 A2 EP0307571 A2 EP 0307571A2
Authority
EP
European Patent Office
Prior art keywords
cylinder head
head cover
cover according
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.)
Granted
Application number
EP88111124A
Other languages
German (de)
French (fr)
Other versions
EP0307571A3 (en
EP0307571B1 (en
Inventor
Herbert Dipl.-Ing. Ampferer
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.)
Dr Ing HCF Porsche AG
Original Assignee
Dr Ing HCF Porsche AG
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Publication date
Application filed by Dr Ing HCF Porsche AG filed Critical Dr Ing HCF Porsche AG
Publication of EP0307571A2 publication Critical patent/EP0307571A2/en
Publication of EP0307571A3 publication Critical patent/EP0307571A3/en
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Publication of EP0307571B1 publication Critical patent/EP0307571B1/en
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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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
    • F02M35/10078—Connections of intake systems to the engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/20—Multi-cylinder engines with cylinders all in one line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/11—Thermal or acoustic insulation
    • F02B77/13—Acoustic insulation
    • 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
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F1/242—Arrangement of spark plugs or injectors
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
    • F02M35/10111—Substantially V-, C- or U-shaped ducts in direction of the flow path
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
    • F02M35/10249—Electrical or electronic devices fixed to the intake system; Electric wiring
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
    • F02M35/10288—Air intakes combined with another engine part, e.g. cylinder head cover or being cast in one piece with the exhaust manifold, cylinder head or engine block
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/18—DOHC [Double overhead camshaft]

Definitions

  • the invention relates to a cylinder head cover with intake manifold according to the preamble of claim 1.
  • An internal combustion engine is known - DE-AS 23 39 356 - in which the intake manifold system and the cylinder head cover are structurally combined.
  • This unit is rigidly attached to the cylinder by means of screws.
  • This embodiment has the disadvantage that the internal combustion engine emits disturbing noises via the unit, particularly because of the latter rigid type of fastening.
  • the wall of the cylinder head cover facing the cylinder head is continuously subjected to hot oil from the cylinder head during operation of the internal combustion engine, which leads to undesired heating of the intake manifold system and consequently reduced filling of the cylinders connected downstream.
  • the object of the invention is to attach the cylinder head cover assembly with the intake manifold to the cylinder head in such a way that noise emissions are reduced. However, it should also be ensured that heating of the intake pipe by spray oil from the cylinder head is avoided.
  • the main advantages achieved by the invention are the fact that the assembly consisting of the cylinder head cover and intake manifold is kept decoupled by the resilient elements on the cylinder head, whereby a significant noise reduction of the internal combustion engine is achieved.
  • These screws are screwed into the fastening screws of the multi-part cylinder head, which on the one hand ensures that the structural unit is held securely and on the other hand minimizes the mechanical effort for tapped holes in the cylinder head.
  • the fastening screws are easy to manufacture automatic parts.
  • the cover between the cylinder head and the wall of the cylinder head cover which forms part of the intake manifold system and prevents it from undesired heating of the intake manifold system, so that the filling of the cylinders, which are fed by the intake manifold system, is of high quality.
  • the cover is a simple component, the assembly of which is easy with the seal between the cylinder head cover and the cylinder head.
  • the internal combustion engine 1 is multi-cylinder, works in the four-stroke process and comprises a cylinder head 2 with a cylinder head cover 3.
  • the cylinder head 2 is in several parts, i.e. it is formed by a lower part 4 and an upper part 5 (also called camshaft housing); both parts 4 and 5 are assembled in a parting plane 6 which extends at right angles to a longitudinal center plane A-A of the internal combustion engine 1.
  • camshafts are indicated, which actuate two intake valves and two exhaust valves per cylinder, which is not shown.
  • the cylinder head cover 3 forms a structural unit 10 with an intake manifold system 9, i.e. the intake manifold 9 is made in one piece with the cylinder head cover 3.
  • the intake manifold 9 comprises a collecting space 10 'and a pipe part 11 which extends across the cylinder head 2 and which extends in an arc shape to a plane 12 which runs parallel to the parting plane 6.
  • the pipe part 11 is connected to a right-angled pipe bend 13, which is fixedly connected to the cylinder head at 14.
  • the pipe part 11 and the pipe bend 13 - which form almost a 180 ° bend - are connected to each other by means of an elastic member 15, which is designed in the manner of a sleeve.
  • a sleeve of this type is described in DE-P 36 41 811.
  • the cylinder head cover 3 of the assembly 10 which has an approximately U-shaped cross section, is connected to the cylinder head 2 or its upper part 5 in a parting plane 16 which runs parallel to the parting plane 6.
  • a seal 17 is between the cylinder head cover 3 and the upper part 5 of the cylinder head 2 arranged; it is effective between legs 18, 19 of the cylinder head cover 3 or webs 20, 21 of the upper part 5.
  • Screws 22, 23, which are arranged at a distance from one another, are used to hold the assembly 10 on the cylinder head 2, specifically outside the legs 17, 18, these screws being aligned perpendicular to the parting plane 16.
  • the screws 22, 23 have heads 24, 25 which tension resilient elements 26, 27 and 28 (FIG. 2) against supporting parts 29, 30. Thanks to this measure, the structural unit is kept decoupled from the cylinder head 2.
  • the resilient elements 26, 27 are helical springs which are subjected to pressure;
  • the elements 28 are rubber springs which have a rubber body 31 and metallic support parts 32, 33 which partially surround this.
  • the screws 22, 23 are aligned coaxially with fastening screws 34, 35 and screwed into threaded bores 36, 37 of the heads 38, 39 of said fastening screws.
  • the fastening screws 34, 35 hold the multi-part cylinder head 2, which consists of lower part 4 and upper part 5, in position.
  • the support parts 29 are provided on local fastening eyes 40 which are circular cylindrical in cross section and are molded into the structural unit 10.
  • the support parts 30 are laterally flanged away from the cylinder head cover 3.
  • the support parts 29, 30 lie on a common plane 41 which runs parallel to the parting plane 6.
  • the cylinder head cover 3 Adjacent to the parting plane 16, the cylinder head cover 3 has a wall 42 which extends between the legs 18, 19 and is part of the tube part 11 of the intake manifold system 9. A cover 43 is provided so that this wall is protected against hot spray oil from the cylinder head.
  • the cover 43 is a flat plate 44 which is connected to the seal 17 and extends along the parting plane 16; the space 45 inside the cylinder head cover 3 is therefore sealed off from the cylinder head 2.
  • the plate 44 which consists of thin-walled sheet metal, is provided with bead-like stiffeners 46; the plate 44 is thus a relatively rigid frame.
  • the edge 47 of the plate 44 becomes fork-like from the seal 17 encompassed. In this way, the plate 44 acts as a reinforcing metal insert for the seal 17.

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

Abstract

The cylinder head cover and the inlet conduit form a constructional unit. The constructional unit is held on a cylinder head of the internal combustion engine by the use of bolts and sprung elements, thereby reducing the emission of noise from the internal combustion engine. In addition, in order to avoid filling losses, one wall of the cylinder head cover, which is an integral part of the inlet conduit, is shielded by means of a cover against hot oil splashes from the cylinder head. …<IMAGE>…

Description

Die Erfindung bezieht sich auf eine Zylinderkopfhaube mit Saugrohranlage nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a cylinder head cover with intake manifold according to the preamble of claim 1.

Es ist eine Brennkraftmaschine bekannt - DE-AS 23 39 356 - bei der die Saug­rohranlage und die Zylinderkopfhaube baulich vereinigt sind. Diese Einheit ist starr am Zylinder mittels Schrauben befestigt. Dieser Ausführung haftet der Nachteil an, daß die Brennkraftmaschine über die Einheit, namentlich we­gen letzterer starren Befestigungsart, störende Geräusche abstrahlt. Darüber hinaus wird die dem Zylinderkopf zugekehrte Wand der Zylinderkopfhaube beim Betrieb der Brennkraftmaschine permanent mit heißem Öl aus dem Zylinderkopf beaufschlagt, was zu einer unerwünschten Aufheizung der Saugrohranlage und folglich reduzierten Füllung von ihr nachgeschalteten Zylindern führt.An internal combustion engine is known - DE-AS 23 39 356 - in which the intake manifold system and the cylinder head cover are structurally combined. This unit is rigidly attached to the cylinder by means of screws. This embodiment has the disadvantage that the internal combustion engine emits disturbing noises via the unit, particularly because of the latter rigid type of fastening. In addition, the wall of the cylinder head cover facing the cylinder head is continuously subjected to hot oil from the cylinder head during operation of the internal combustion engine, which leads to undesired heating of the intake manifold system and consequently reduced filling of the cylinders connected downstream.

Aufgabe der Erfindung ist es, die Baueinheit Zylinderkopfhaube mit Saugrohr­anlage so am Zylinderkopf zu befestigen, daß Geräuschabstrahlungen reduziert werden. Dabei sollte aber auch sichergestellt sein, daß ein Aufheizen des Saugrohrs durch Spritzöl aus dem Zylinderkopf vermieden wird.The object of the invention is to attach the cylinder head cover assembly with the intake manifold to the cylinder head in such a way that noise emissions are reduced. However, it should also be ensured that heating of the intake pipe by spray oil from the cylinder head is avoided.

Erfindungsgemäß wird diese Aufgabe durch die kennzeichnenden Merkmale des Patentanspruchs 1 gelöst. Weitere, die Erfindung ausgestaltende Merkmale sind in den nachfolgenden Ansprüchen enthalten.According to the invention, this object is achieved by the characterizing features of patent claim 1. Further features embodying the invention are contained in the following claims.

Die mit der Erfindung hauptsächlich erzielten Vorteile sind darin zu sehen, daß die Baueinheit, bestehend aus Zylinderkopfhaube und Saugrohranlage durch die federnden Elemente entkoppelt am Zylinderkopf gehalten ist, wodurch eine deutliche Geräuschabsenkung der Brennkraftmaschine erzielt wird. Diese Schrauben sind in Befestigungsschrauben des mehrteiligen Zylinderkopfs ein­gedreht, was einerseits eine sichere Halterung der Baueinheit gewährleistet und andererseits den mechanischen Aufwand für Gewindebohrungen im Zylinder­kopf minimiert. Die Befestigungsschrauben sind leicht herstellbare Auto­matenteile.The main advantages achieved by the invention are the fact that the assembly consisting of the cylinder head cover and intake manifold is kept decoupled by the resilient elements on the cylinder head, whereby a significant noise reduction of the internal combustion engine is achieved. These screws are screwed into the fastening screws of the multi-part cylinder head, which on the one hand ensures that the structural unit is held securely and on the other hand minimizes the mechanical effort for tapped holes in the cylinder head. The fastening screws are easy to manufacture automatic parts.

Die Abdeckung zwischen Zylinderkopf und der ihm benachbarten ein Teil der Saugrohranlage bildenden Wand der Zylinderkopfhaube verhindert ein unerwünschtes Aufheizen der Saugrohranlage, so daß die Füllung der Zylinder, die ja mittels der Saugrohranlage beschickt werden, von hoher Qualität ist. Schließlich ist die Abdeckung ein einfaches Bauteil, dessen Montage mit der Dichtung zwischen Zylinderkopfhaube und Zylinderkopf einfach ist.The cover between the cylinder head and the wall of the cylinder head cover which forms part of the intake manifold system and prevents it from undesired heating of the intake manifold system, so that the filling of the cylinders, which are fed by the intake manifold system, is of high quality. After all, the cover is a simple component, the assembly of which is easy with the seal between the cylinder head cover and the cylinder head.

In der Zeichnung werden Ausführungsbeispiele der Erfindung gezeigt, die nachstehend näher beschrieben sind.In the drawing, exemplary embodiments of the invention are shown, which are described in more detail below.

Es zeigt

  • Fig. 1 einen Teilquerschnitt einer Brennkraftmaschine,
  • Fig. 2 eine Teilansicht der Fig. 1 mit einer anderen Ausführungsform,
  • Fig. 3 eine Einzelheit X der Fig. 1 in größerem Maßstab.
It shows
  • 1 shows a partial cross section of an internal combustion engine,
  • 2 is a partial view of FIG. 1 with another embodiment,
  • Fig. 3 shows a detail X of FIG. 1 on a larger scale.

Die Brennkraftmaschine 1 ist mehrzylindrig, arbeitet im Viertakt-Verfahren und umfaßt einen Zylinderkopf 2 mit einer Zylinderkopfhaube 3. Der Zylinder­kopf 2 ist mehrteilig, d.h. er wird durch ein Unterteil 4 und ein Oberteil 5 (auch Nockenwellengehäuse genannt) gebildet; beide Teile 4 und 5 sind in ei­ner Trennebene 6 zusammengesetzt, die sich im rechten Winkel zu einer Längs­mittelebene A-A der Brennkraftmaschine 1 erstreckt. Bei 7 und 8 sind Nocken­wellen angedeutet, die je zwei Enlaßventile und zwei Auslaßventile pro Zy­linder betätigen, was nicht dargestellt ist.The internal combustion engine 1 is multi-cylinder, works in the four-stroke process and comprises a cylinder head 2 with a cylinder head cover 3. The cylinder head 2 is in several parts, i.e. it is formed by a lower part 4 and an upper part 5 (also called camshaft housing); both parts 4 and 5 are assembled in a parting plane 6 which extends at right angles to a longitudinal center plane A-A of the internal combustion engine 1. At 7 and 8, camshafts are indicated, which actuate two intake valves and two exhaust valves per cylinder, which is not shown.

Die Zylinderkopfhaube 3 bildet mit einer Saugrohranlage 9 eine Baueinheit 10, d.h. die Saugrohranlage 9 ist aus einem Stück mit der Zylinderkopfhaube 3 hergestellt. Die Saugrohranlage 9 umfaßt einen Sammelraum 10' und ein sich quer über den Zylinderkopf 2 erstreckendes Rohrteil 11, das sich bogenförmig bis zu einer Ebene 12 erstreckt, die parallel zur Trennebene 6 verläuft. In der Ebene 12 ist das Rohrteil 11 an einen rechtwinkligen Rohrbogen 13 ange­schlossen, der bei 14 fest mit dem Zylinderkopf verbunden ist. Das Rohrteil 11 und der Rohrbogen 13 - die nahezu einen 180° Bogen bilden - sind mittels eines elastischen Gliedes 15 miteinander verbunden, das nach Art einer Muffe gestaltet ist. Eine Muffe dieser Gattung wird in der DE-P 36 41 811 be­schrieben.The cylinder head cover 3 forms a structural unit 10 with an intake manifold system 9, i.e. the intake manifold 9 is made in one piece with the cylinder head cover 3. The intake manifold 9 comprises a collecting space 10 'and a pipe part 11 which extends across the cylinder head 2 and which extends in an arc shape to a plane 12 which runs parallel to the parting plane 6. In the plane 12, the pipe part 11 is connected to a right-angled pipe bend 13, which is fixedly connected to the cylinder head at 14. The pipe part 11 and the pipe bend 13 - which form almost a 180 ° bend - are connected to each other by means of an elastic member 15, which is designed in the manner of a sleeve. A sleeve of this type is described in DE-P 36 41 811.

Die Zylinderkopfhaube 3 der Baueinheit 10, die einen etwa U-förmigen Quer­schnitt besitzt, ist in einer Trennebene 16, die parallel zur Trennebene 6 verläuft, an den Zylinderkopf 2 bzw. sein Oberteil 5 angeschlossen. Zwischen Zylinderkopfhaube 3 und Oberteil 5 des Zylinderkopfs 2 ist eine Dichtung 17 angeordnet; sie ist zwischen Schenkeln 18, 19 der Zylinderkopfhaube 3 bzw. Stegen 20, 21 des Oberteils 5 wirksam.The cylinder head cover 3 of the assembly 10, which has an approximately U-shaped cross section, is connected to the cylinder head 2 or its upper part 5 in a parting plane 16 which runs parallel to the parting plane 6. A seal 17 is between the cylinder head cover 3 and the upper part 5 of the cylinder head 2 arranged; it is effective between legs 18, 19 of the cylinder head cover 3 or webs 20, 21 of the upper part 5.

Zur Halterung der Baueinheit 10 am Zylinderkopf 2 dienen Schrauben 22, 23, die mit Abstand zueinander angeordnet sind und zwar außerhalb der Schenkel 17, 18, wobei diese Schrauben senkrecht zur Trennebene 16 ausgerichtet sind.Screws 22, 23, which are arranged at a distance from one another, are used to hold the assembly 10 on the cylinder head 2, specifically outside the legs 17, 18, these screws being aligned perpendicular to the parting plane 16.

Die Schrauben 22, 23 weisen Köpfe 24, 25 auf, die federnde Elemente 26, 27 und 28 (Fig. 2) gegen Abstützteile 29, 30 spannen. Dank dieser Maßnahme ist die Baueinheit entkoppelt am Zylinderkopf 2 in Lage gehalten. Die federnden Elemente 26, 27 sind auf Druck beanspruchte Schraubenfedern; die Elemente 28 (Fig. 2) sind Gummifedern, die einen Gummikörper 31 und diesen teilweise um­gebende metallische Stützteile 32, 33 aufweisen.The screws 22, 23 have heads 24, 25 which tension resilient elements 26, 27 and 28 (FIG. 2) against supporting parts 29, 30. Thanks to this measure, the structural unit is kept decoupled from the cylinder head 2. The resilient elements 26, 27 are helical springs which are subjected to pressure; the elements 28 (FIG. 2) are rubber springs which have a rubber body 31 and metallic support parts 32, 33 which partially surround this.

Die Schrauben 22, 23 sind koaxial zu Befestigungsschrauben 34, 35 ausgerich­tet und in Gewindebohrungen 36, 37 der Köpfe 38, 39 besagter Befestigungs­schrauben eingedreht. Die Befestigungsschrauben 34, 35 halten den mehrtei­ligen Zylinderkopf 2, der ja aus Unterteil 4 und Oberteil 5 besteht, in La­ge.The screws 22, 23 are aligned coaxially with fastening screws 34, 35 and screwed into threaded bores 36, 37 of the heads 38, 39 of said fastening screws. The fastening screws 34, 35 hold the multi-part cylinder head 2, which consists of lower part 4 and upper part 5, in position.

Die Abstützteile 29 sind an örtlichen, im Querschnitt kreiszylindrischen Be­festigungsaugen 40 vorgesehen, die in die Baueinheit 10 eingeformt sind. Da­gegen sind die Abstützteile 30 seitlich von der Zylinderkopfhaube 3 flanschartig weggeführt. Übrigens liegen die Abstützteile 29, 30 auf einer gemeinsamen Ebene 41, die parallel zur Trennebene 6 verläuft.The support parts 29 are provided on local fastening eyes 40 which are circular cylindrical in cross section and are molded into the structural unit 10. In contrast, the support parts 30 are laterally flanged away from the cylinder head cover 3. Incidentally, the support parts 29, 30 lie on a common plane 41 which runs parallel to the parting plane 6.

Benachbart der Trennebene 16 weist die Zylinderkopfhaube 3 eine Wand 42 auf, die sich zwischen den Schenkeln 18, 19 erstreckt und Bestandteil des Rohr­teils 11 der Saugrohranlage 9 ist. Damit diese Wand vor heißem Spritzöl aus dem Zylinderkopf geschützt ist, ist eine Abdeckung 43 vorgesehen. Die Abdec­kung 43 ist eine ebene Platte 44, die mit der Dichtung 17 verbunden ist und sich entlang der Trennebene 16 erstreckt; der Raum 45 innerhalb der Zylin­derkopfhaube 3 ist somit gegenüber dem Zylinderkopf 2 abgeschottet. Die Platte 44, die aus dünnwandigem Metallblech besteht, ist mit sickenartigen Versteifungen 46 versehen; die Platte 44 ist somit ein relativ formsteifer Rahmen. Außerdem wird der Rand 47 der Platte 44 gabelartig von der Dichtung 17 umgriffen. Die Platte 44 wirkt auf diese Weise als verstärkende Metall­einlage für die Dichtung 17.Adjacent to the parting plane 16, the cylinder head cover 3 has a wall 42 which extends between the legs 18, 19 and is part of the tube part 11 of the intake manifold system 9. A cover 43 is provided so that this wall is protected against hot spray oil from the cylinder head. The cover 43 is a flat plate 44 which is connected to the seal 17 and extends along the parting plane 16; the space 45 inside the cylinder head cover 3 is therefore sealed off from the cylinder head 2. The plate 44, which consists of thin-walled sheet metal, is provided with bead-like stiffeners 46; the plate 44 is thus a relatively rigid frame. In addition, the edge 47 of the plate 44 becomes fork-like from the seal 17 encompassed. In this way, the plate 44 acts as a reinforcing metal insert for the seal 17.

Claims (10)

1. Zylinderkopfhaube mit Saugrohranlage für eine Brennkraftmaschine der Viertakt-Hubkolbenbauart, die eine Baueinheit bilden, wobei die Zylinder­kopfhaube dieser Baueinheit unter Vermittlung einer Dichtung sowie von Schrauben an einem Zylinderkopf der Brennkraftmaschine gehalten ist, dadurch gekennzeichnet, daß zwischen Köpfen (24, 25) der senkrecht zu einer Trenn­ebene (16) der Zylinderkopfhaube (3) und des Zylinderkopfs (2) verlaufenden Schrauben (22,23) und parallel zu dieser Trennebene (16) ausgerichteter Ab­stützteile (29, 30) der Baueinheit (10) federnde Elemente (26, 27 und 28) angeordnet sind.1. Cylinder head cover with intake manifold for an internal combustion engine of the four-stroke reciprocating type, which form a structural unit, the cylinder head cover of this structural unit being held by means of a seal and screws on a cylinder head of the internal combustion engine, characterized in that between heads (24, 25) Screws (22, 23) running perpendicular to a parting plane (16) of the cylinder head cover (3) and the cylinder head (2) and supporting parts (29, 30) of the structural unit (10) aligned parallel to this parting plane (16). 27 and 28) are arranged. 2. Zylinderkopfhaube nach Anspruch 1, dadurch gekennzeichnet, daß die Ele­mente (26, 27 und 28) auf Druck beanspruchte Schraubenfedern, Gummifedern oder dergleichen sind.2. Cylinder head cover according to claim 1, characterized in that the elements (26, 27 and 28) are helical springs, rubber springs or the like which are subjected to pressure. 3. Zylinderkopfhaube nach Anspruch 1, dadurch gekennzeichnet, daß die Schrauben (22, 23) in Köpfe (38, 39) koaxial angeordneter Befestigungs­schrauben (34, 35) eingedreht sind, die den mehrteiligen Zylinderkopf (2; Unterteil 4 und Oberteil 5) in Lage halten.3. Cylinder head cover according to claim 1, characterized in that the screws (22, 23) in heads (38, 39) coaxially arranged fastening screws (34, 35) are screwed in, the multi-part cylinder head (2; lower part 4 and upper part 5) in Hold position. 4. Zylinderkopfhaube nach Anspruch 1, dadurch gekennzeichnet, daß die Ab­stützteile (29, 30) einerseits an in die Baueinheit (10) eingeformte Befe­stigungsaugen (40) vorgesehen und andererseits seitlich von der Zylinder­kopfhaube (3) flanschartig weggeführt sind.4. Cylinder head cover according to claim 1, characterized in that the supporting parts (29, 30) on the one hand in the structural unit (10) molded mounting eyes (40) are provided and on the other hand laterally from the cylinder head cover (3) are flanged away. 5. Zylinderkopfhaube nach Anspruch 4, dadurch gekennzeichnet, daß die Ab­stützteile (29, 30) auf einer gemeinsamen, parallel zur Trennebene (16) ver­laufenden Ebene (41) angeordnet sind.5. Cylinder head cover according to claim 4, characterized in that the support parts (29, 30) are arranged on a common plane (41) running parallel to the parting plane (16). 6. Zylinderkopfhaube nach Anspruch 1, dadurch gekennzeichnet, daß die be­nachbart von der Trennebene (16) verlaufende Wand (42) der Zylinderkopfhaube (3) mittels einer Abdeckung (43) gegen Spritzöl aus dem Zylinderkopf (2) abgeschottet ist.6. Cylinder head cover according to claim 1, characterized in that the wall (42) of the cylinder head cover (3) running adjacent to the parting plane (16) is sealed off from spray oil from the cylinder head (2) by means of a cover (43). 7. Zylinderkopfhaube nach Anspruch 6, dadurch gekennzeichnet, daß die Abdec­kung (43) und die Dichtung (17) zwischen Zylinderkopf (2) und Zylinderkopf­haube (3) miteinander verbunden sind.7. Cylinder head cover according to claim 6, characterized in that the cover (43) and the seal (17) between the cylinder head (2) and the cylinder head cover (3) are interconnected. 8. Zylinderkopfhaube nach Anspruch 7, dadurch gekennzeichnet, daß die Abdec­kung (43) eine ebene Platte (44) ist und sickenartige Versteifungen (46) aufweist.8. Cylinder head cover according to claim 7, characterized in that the cover (43) is a flat plate (44) and has bead-like stiffeners (46). 9. Zylinderkopfhaube nach den Ansprüchen 7 und 8, dadurch gekennzeichnet, daß die Dichtung (17) - im Querschnitt gesehen - die Platte (44) gabelartig umgibt.9. Cylinder head cover according to claims 7 and 8, characterized in that the seal (17) - seen in cross section - surrounds the plate (44) like a fork. 10. Zylinderkopf nach Anspruch 1, bei dem ein sich über den Zylinderkopf er­streckendes bogenförmiges Rohrteil der Saugrohranlage an einen Rohrbogen an­geschlossen ist, dadurch gekennzeichnet, daß das Rohrteil (11) und der Rohr­bogen (13) mittels eines elastischen, nach Art einer Muffe ausgebildeten Gliedes (15) miteinander verbunden sind.10. Cylinder head according to claim 1, in which an arcuate tubular part of the intake manifold extending over the cylinder head is connected to a pipe bend, characterized in that the pipe part (11) and the pipe bend (13) by means of an elastic member designed in the manner of a sleeve (15) are interconnected.
EP88111124A 1987-09-14 1988-07-12 Cylinder head cover with inlet conduit for an internal combustion engine Expired - Lifetime EP0307571B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3730817 1987-09-14
DE19873730817 DE3730817A1 (en) 1987-09-14 1987-09-14 CYLINDER HEAD COVER WITH SUCTION PIPE SYSTEM FOR AN INTERNAL COMBUSTION ENGINE

Publications (3)

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EP0307571A2 true EP0307571A2 (en) 1989-03-22
EP0307571A3 EP0307571A3 (en) 1989-08-09
EP0307571B1 EP0307571B1 (en) 1992-03-18

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Application Number Title Priority Date Filing Date
EP88111124A Expired - Lifetime EP0307571B1 (en) 1987-09-14 1988-07-12 Cylinder head cover with inlet conduit for an internal combustion engine

Country Status (5)

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US (1) US4898125A (en)
EP (1) EP0307571B1 (en)
JP (1) JPH01211657A (en)
DE (2) DE3730817A1 (en)
ES (1) ES2030118T3 (en)

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EP0448431A1 (en) * 1990-03-22 1991-09-25 Automobiles Peugeot Intake device and oil separator for an internal combustion engine and engine provided with this device
EP0470874A1 (en) * 1990-08-07 1992-02-12 Automobiles Peugeot Internal combustion engine with an air inlet device integrated into the cylinder head
FR2705997A1 (en) * 1993-06-01 1994-12-09 Volkswagen Ag Inlet pipe device for internal combustion engine having individually curved inlet pipes for each cylinder
EP0881377A3 (en) * 1997-05-31 1999-06-09 Robert Bosch Gmbh Device for fitting an internal combustion engine with supplementary parts
DE19800079A1 (en) * 1998-01-02 1999-07-08 Volkswagen Ag Air intake for motor
WO2001027456A1 (en) * 1999-10-12 2001-04-19 Siemens Canada Limited Intake manifold and valve cover module
WO2008122651A1 (en) * 2007-04-10 2008-10-16 Mahle International Gmbh Internal combustion engine and fresh air system
FR2922948A1 (en) * 2007-10-24 2009-05-01 Renault Sas Fuel injection harness and/or fuel injector protecting device for e.g. diesel engine, has conduit portion positioned above fuel injection harness and/or fuel injector of engine, where portion is formed by upper and lower elements
WO2013056762A1 (en) * 2011-10-18 2013-04-25 Daimler Ag Arrangement of an air supply device on a cylinder head for an internal combustion engine
EP2546504A3 (en) * 2011-07-14 2015-01-21 MAHLE International GmbH Internal combustion engine
EP4081703A4 (en) * 2019-12-24 2024-02-28 Fleetguard Filters Private Limited Cylinder cover for internal combustion engine
EP4081702A4 (en) * 2019-12-24 2024-02-28 Fleetguard Filters Private Limited Cylinder cover for internal combustion engine

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FR2697293B1 (en) * 1992-10-26 1994-11-10 Solex Feeding device with integrated tubing.
DE4305281C1 (en) * 1993-02-20 1994-05-05 Freudenberg Carl Fa Piston-type engine with valve cover secured by oil tight joint - has Helmholtz resonators made up of deep drawn sheet material and fixed inside valve cover with recess open towards source of sound
DE4314184A1 (en) * 1993-04-29 1994-11-03 Audi Ag Internal combustion engine
DE4338186A1 (en) * 1993-11-09 1995-05-11 Kloeckner Humboldt Deutz Ag Internal-combustion piston engine
DE4403219A1 (en) * 1994-02-03 1995-08-10 Daimler Benz Ag Intake module for IC engine
US5575247A (en) * 1995-02-01 1996-11-19 Nippondenso Co., Ltd. Air intake device for an internal combustion engine
DE19521025A1 (en) * 1995-06-13 1996-12-19 Mann & Hummel Filter Tube module
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JP2864365B2 (en) * 1996-04-16 1999-03-03 本田技研工業株式会社 Engine intake system
JP3470494B2 (en) * 1996-04-30 2003-11-25 スズキ株式会社 Outboard air intake system
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DE60123350T2 (en) * 2000-08-25 2007-05-10 Daihatsu Motor Co., Ltd., Ikeda Cylinder head cover for a combustion engine
DE10117163A1 (en) * 2001-04-06 2002-10-10 Bayerische Motoren Werke Ag Insert tube for a cylinder head with a cover of an internal combustion engine
EP1722094A3 (en) * 2002-09-02 2010-11-03 Denso Corporation Air intake module for engines
EP1715168B1 (en) * 2004-12-03 2010-08-04 Ford Global Technologies, LLC Integrated injection system
JP2011202635A (en) * 2010-03-26 2011-10-13 Suzuki Motor Corp Engine air cleaner device
DE102011116299A1 (en) 2011-10-18 2013-04-18 Daimler Ag Intake module for an internal combustion engine
DE102013016722A1 (en) * 2013-10-09 2015-04-09 Daimler Ag Integration of a fuel rail in the cylinder head cover of an internal combustion engine
US10801378B2 (en) * 2016-04-26 2020-10-13 Yanmar Power Technology Co., Ltd. Engine device
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FR2660017A1 (en) * 1990-03-22 1991-09-27 Peugeot DEVICE FOR ADMITTING AND DISCHARGING GASES IN AN INTERNAL COMBUSTION ENGINE AND MOTOR EQUIPPED WITH SAID DEVICE.
EP0448431A1 (en) * 1990-03-22 1991-09-25 Automobiles Peugeot Intake device and oil separator for an internal combustion engine and engine provided with this device
EP0470874A1 (en) * 1990-08-07 1992-02-12 Automobiles Peugeot Internal combustion engine with an air inlet device integrated into the cylinder head
FR2665730A1 (en) * 1990-08-07 1992-02-14 Peugeot INTERNAL COMBUSTION ENGINE WITH AIR INTAKE DEVICE INTEGRATED IN THE CYLINDER HEAD.
FR2705997A1 (en) * 1993-06-01 1994-12-09 Volkswagen Ag Inlet pipe device for internal combustion engine having individually curved inlet pipes for each cylinder
US5465699A (en) * 1993-06-01 1995-11-14 Volkswagen Ag Intake pipe arrangement for an internal combustion engine having individual arc-shaped cylinder intake pipes
EP0881377A3 (en) * 1997-05-31 1999-06-09 Robert Bosch Gmbh Device for fitting an internal combustion engine with supplementary parts
DE19800079B4 (en) * 1998-01-02 2006-04-06 Volkswagen Ag Air intake system for a multi-cylinder reciprocating internal combustion engine and method for operating such a system
DE19800079A1 (en) * 1998-01-02 1999-07-08 Volkswagen Ag Air intake for motor
WO2001027456A1 (en) * 1999-10-12 2001-04-19 Siemens Canada Limited Intake manifold and valve cover module
US6302074B1 (en) 1999-10-12 2001-10-16 Siemens Canada Limited Intake manifold and valve cover module
WO2008122651A1 (en) * 2007-04-10 2008-10-16 Mahle International Gmbh Internal combustion engine and fresh air system
FR2922948A1 (en) * 2007-10-24 2009-05-01 Renault Sas Fuel injection harness and/or fuel injector protecting device for e.g. diesel engine, has conduit portion positioned above fuel injection harness and/or fuel injector of engine, where portion is formed by upper and lower elements
EP2546504A3 (en) * 2011-07-14 2015-01-21 MAHLE International GmbH Internal combustion engine
EP2546504B1 (en) 2011-07-14 2018-10-03 MAHLE International GmbH Internal combustion engine
WO2013056762A1 (en) * 2011-10-18 2013-04-25 Daimler Ag Arrangement of an air supply device on a cylinder head for an internal combustion engine
CN103930666A (en) * 2011-10-18 2014-07-16 戴姆勒股份公司 Arrangement of an air supply device on a cylinder head for an internal combustion engine
EP4081703A4 (en) * 2019-12-24 2024-02-28 Fleetguard Filters Private Limited Cylinder cover for internal combustion engine
EP4081702A4 (en) * 2019-12-24 2024-02-28 Fleetguard Filters Private Limited Cylinder cover for internal combustion engine

Also Published As

Publication number Publication date
US4898125A (en) 1990-02-06
DE3730817C2 (en) 1989-06-22
EP0307571A3 (en) 1989-08-09
EP0307571B1 (en) 1992-03-18
ES2030118T3 (en) 1992-10-16
DE3869293D1 (en) 1992-04-23
JPH01211657A (en) 1989-08-24
DE3730817A1 (en) 1989-03-23

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