EP2746545B1 - Cam shaft - Google Patents

Cam shaft Download PDF

Info

Publication number
EP2746545B1
EP2746545B1 EP13193546.2A EP13193546A EP2746545B1 EP 2746545 B1 EP2746545 B1 EP 2746545B1 EP 13193546 A EP13193546 A EP 13193546A EP 2746545 B1 EP2746545 B1 EP 2746545B1
Authority
EP
European Patent Office
Prior art keywords
functional
functional device
camshaft
functional elements
cylinder head
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
EP13193546.2A
Other languages
German (de)
French (fr)
Other versions
EP2746545A1 (en
Inventor
Frank DAUTEL
Thomas Flender
Antonio Menonna
Stefan Steichele
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
Original Assignee
Mahle International 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=49626829&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2746545(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mahle International GmbH filed Critical Mahle International GmbH
Publication of EP2746545A1 publication Critical patent/EP2746545A1/en
Application granted granted Critical
Publication of EP2746545B1 publication Critical patent/EP2746545B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • F01L2001/0471—Assembled camshafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • F01L2001/0475—Hollow camshafts

Definitions

  • the present invention relates to a camshaft of an internal combustion engine having at least one functional device connected thereto via a shaft-hub connection according to the preamble of claim 1.
  • the invention also relates to an internal combustion engine with at least one such camshaft.
  • a camshaft on an otherwise not shown internal combustion engine with at least one connected via a press connection function device is known.
  • the functional device has two different functional elements that fulfill different functions.
  • the functional element is designed as a hill contour and fulfills the function of the joint connection of the functional device in the camshaft tube of the camshaft, whereas the functional element receives a cam.
  • camshafts are well known, as well as the combination of functional elements with such camshafts, for example via a thermal joint seat.
  • functional devices such as gears, drive wheels, cams, pump actuators, such as pump cam for a high-pressure pump or Oldham coupling for rotational connection of vacuum or oil pumps, connected via pressed or thermally-joined plug with the camshaft.
  • a separate functional element such as gears or cams required, which still have to be added in different ways under certain circumstances.
  • the present invention therefore deals with the problem of providing a camshaft of the generic type an improved embodiment, which is characterized in particular by a simplified production.
  • the present invention is based on the general idea of equipping a functional device on a camshaft with at least two different functional elements, each of which can fulfill different functions.
  • the combined in the functional device functional elements are connected via a shaft-hub connection, specifically via a thermal joint seat with the camshaft.
  • the basic idea is therefore to summarize or integrate as many - at least two - functional elements in a common functional device and only have to add this common assembly, that is, the functional device with the camshaft or a camshaft tube. This offers considerable advantages, for example in the area of weight, since a functional device composed of several functional elements is significantly lighter in construction than separately mounted functional elements.
  • the functional device according to the invention also allows a higher torque transmission than with a, a smaller inner diameter having plug can be realized.
  • At least one functional element is a toothed wheel, in particular a coupling gear, a cam, a pump actuating device, for example in the form of a cam, a donor wheel, a pulley, a clutch, in particular an Oldham clutch, or a sprocket.
  • a toothed wheel in particular a coupling gear, a cam, a pump actuating device, for example in the form of a cam, a donor wheel, a pulley, a clutch, in particular an Oldham clutch, or a sprocket.
  • the functional device is designed as a one-piece sintered component.
  • the individual functional elements of the functional device are integrally connected to each other, so that the functional device can be formed completely in one piece. This allows, in particular, a rational production of the functional device, since an aligned joining of the individual functional elements to the functional device can be dispensed with.
  • one of the functional elements is designed as an Oldham coupling, then it can be coupled externally to the cylinder head via this, for example, a pump.
  • a pump for example, a pump.
  • Such Oldham coupling allows a clutch in which the torque is transmitted between two parallel shafts. It usually consists of three discs, the outer two are fixed to the respective shafts or on the pump and the functional element and the middle is mounted in two mutually orthogonal tongue and groove connections to the other two discs.
  • Such Oldham coupling in particular allows compensation of small parallel offsets between the camshaft and an axis of the pump, whereby at least small manufacturing inaccuracies are easily compensate, so that the entire construction allows greater overall manufacturing tolerances.
  • an inventive camshaft 1 of an internal combustion engine 2 has at least one functional device 3 connected to the camshaft 1 via a shaft-hub connection, in particular via a press connection, which is composed of at least two different functional elements 4.
  • the individual functional elements 4 fulfill different functions and are only summarized to simplify the assembly in the common functional device 3.
  • At least one functional element 4 can be designed, for example, as a toothed wheel 5, in particular as a coupling toothed wheel, as a cam, as a pump actuation device, as a donor wheel 6, as a pulley, a clutch 7, in particular as an Oldham clutch, or as a sprocket 5 '.
  • the functional device 3 thus has three functional elements 4, namely the clutch 7, the sprocket 5 'and gear 5 and the encoder wheel 6.
  • the production of the camshaft 1 is significantly simplified, not now more all functional elements 4 must be added separately with the camshaft 1, but only a common functional device 3, whereby the joining process can be significantly streamlined.
  • the functional device 3 with a plurality of functional elements 4 is lighter than the respective separate functional elements 4, whereby a weight saving can be achieved, which in turn has a positive effect on fuel consumption.
  • the functional device 3 according to the invention also allows a higher torque transmission, as over the transverse press fit, for example produced by means of thermal joining, or a longitudinal press fit, a larger force-transmitting contact surface can be created.
  • the combined arrangement of a plurality of functional elements 4 in a common functional device 3 also offers great advantages in particular in the assembly of the functional device 3 in a hood or a cylinder head 8, since there usually extremely cramped space conditions are encountered.
  • FIG. 2 is a view from above of the cylinder head 8 of the internal combustion engine 2 shown with two camshafts 1, wherein on the lower camshaft 1, the functional device 3 according to the invention is arranged.
  • This in turn summarizes three functional elements 4, namely the clutch 7, a gear 5, in the manner of a coupling gear for coupling with the second camshaft 1, and the encoder wheel 6.
  • a storage of the camshaft 1 on the cylinder head 8 takes place by means of a bearing frame 9, which is connected by screws 10 with the cylinder head 8, that is an engine block.
  • a pump 11 can be coupled to transmit rotation with the camshaft 1.
  • the Oldham coupling thereby allows at least a small parallelism of the axes of the camshaft 1 and the axis of the pump, whereby the manufacturing accuracy does not have to be as high as without such Oldham coupling.
  • the functional device 3 is integrally formed, in particular as a one-piece sintered component, so that a separate and previous assembly of the individual functional elements 4 to the common functional device 3 can be omitted.
  • the individual functional elements 4 of the functional device 3 can also be manufactured separately and then connected to the common functional device 3 firmly together, in particular welded together, soldered, screwed or glued.
  • a functional device 3 is shown, the two functional elements 4, namely the gear 5 and the clutch 7 integrally integrated.
  • a further functional element 4 for example a transmitter wheel 6, could now additionally be attached or welded.
  • positioning aids 12 can be provided on the individual functional elements 4, which allow a fixation of the individual functional elements 4 to one another exclusively in a predefined angular position.
  • the positioning aid 12 is designed as a two-plane, wherein, for example, the encoder wheel 6 has a complementary recess, so as to allow an angle-aligned fixing.
  • the positioning aid 12 can also be designed as a flat or as a multi-flat, in particular as a triple flat. In general, of course, all other non-round shapes for angularly accurate fixation of the individual functional elements 4 to each other are conceivable.
  • the functional device 3 By integrating a plurality of functional elements 4 in a common functional device 3, only the fixing of a functional device 3 is required, which is significantly simpler than the previously required fixing of the individual functional elements 4.
  • the functional device 3 according to the invention can also achieve weight savings. Because the individual functional elements 4 can be designed to reduce weight. Also, by a special arrangement of the individual functional elements 4, an imbalance compensation in particular, for example, to a pulley 13 (see. FIGS. 2 and 3 ) can be achieved.

Description

Die vorliegende Erfindung betrifft eine Nockenwelle einer Brennkraftmaschine mit zumindest einer damit über eine Wellen-Nabe Verbindung verbundenen Funktionseinrichtung gemäß dem Oberbegriff des Anspruchs 1. Die Erfindung betrifft außerdem eine Brennkraftmaschine mit zumindest einer derartigen Nockenwelle.The present invention relates to a camshaft of an internal combustion engine having at least one functional device connected thereto via a shaft-hub connection according to the preamble of claim 1. The invention also relates to an internal combustion engine with at least one such camshaft.

Aus der EP 1 843 012 A2 ist eine Nockenwelle einer Brennkraftmaschine mit zumindest einer damit über eine Wellen-Nabe-Verbindung verbundenen Funktionseinrichtung bekannt, wobei die Funktionseinrichtung zumindest zwei unterschiedliche Funktionselemente aufweist, die unterschiedliche Funktionen erfüllen.From the EP 1 843 012 A2 a camshaft of an internal combustion engine with at least one connected thereto via a shaft-hub connection functional device is known, wherein the functional device has at least two different functional elements that perform different functions.

Aus der DE 20 2005 005 585 U1 ist wiederum eine Nockenwelle an einer im Übrigen nicht gezeigten Brennkraftmaschine mit zumindest einer über eine Pressverbindung verbundenen Funktionseinrichtung bekannt. Die Funktionseinrichtung besitzt zwei unterschiedliche Funktionselemente, die unterschiedliche Funktionen erfüllen. Das Funktionselement ist dabei als Hügelkontur ausgebildet und erfüllt die Funktion der Fügeverbindung der Funktionseinrichtung im Nockenwellenrohr der Nockenwelle, wogegen das Funktionselement einen Nocken aufnimmt.From the DE 20 2005 005 585 U1 In turn, a camshaft on an otherwise not shown internal combustion engine with at least one connected via a press connection function device is known. The functional device has two different functional elements that fulfill different functions. The functional element is designed as a hill contour and fulfills the function of the joint connection of the functional device in the camshaft tube of the camshaft, whereas the functional element receives a cam.

Aus der US 4,638,683 A ist eine Nockenwelle mit einer damit über eine Pressverbindung bzw. Welle-Nabe-Verbindung verbundene Funktionseinrichtung bekannt, die zumindest zwei unterschiedliche Funktionselemente besitzt, die unterschiedliche Funktionen erfüllen.From the US 4,638,683 A is a camshaft with a connected thereto via a press connection or shaft-hub connection functional device known that has at least two different functional elements that perform different functions.

Aus der DE 10 2011 012 941 A1 , der US 2007/00229841 sowie der US 5,293,847 A sind weitere Nockenwellen bekannt.From the DE 10 2011 012 941 A1 , the US 2007/00229841 as well as the US 5,293,847 A Are more known camshafts.

Gattungsgemäße Nockenwellen sind hinlänglich bekannt, ebenso wie die Verbindung von Funktionselementen mit derartigen Nockenwellen, beispielsweise über einen thermischen Fügesitz. Bislang werden jedoch Funktionseinrichtungen, wie beispielsweise Zahnräder, Antriebsräder, Nocken, Pumpenbetätigungseinrichtungen, wie beispielsweise Pumpennocken für eine Hochdruckpumpe oder eine Oldham-Kupplung zur Drehanbindung von Vakuum- oder Ölpumpen, über eingepresste oder thermisch gefügte Stopfen mit der Nockenwelle verbunden. Für jede zu erfüllende Funktion ist dabei ein separates Funktionselement, wie beispielsweise Zahnräder oder Nocken erforderlich, die dazu noch unter Umständen auf unterschiedliche Weise gefügt werden müssen. Beim Fügen von Nockenwellen in einem Haubenmodul kommt noch erschwerend hinzu, dass der Platz begrenzt ist, so dass es nochmals aufwändiger ist, mehrere Funktionselemente zu halten bzw. von außen einen Stopfen zu fügen.Generic camshafts are well known, as well as the combination of functional elements with such camshafts, for example via a thermal joint seat. So far, however, functional devices, such as gears, drive wheels, cams, pump actuators, such as pump cam for a high-pressure pump or Oldham coupling for rotational connection of vacuum or oil pumps, connected via pressed or thermally-joined plug with the camshaft. For each function to be fulfilled is a separate functional element, such as gears or cams required, which still have to be added in different ways under certain circumstances. When joining camshafts in a hood module is made even more aggravating that the space is limited, so that it is even more complex to hold more functional elements or to add a plug from the outside.

Die vorliegende Erfindung beschäftigt sich daher mit dem Problem, für eine Nockenwelle der gattungsgemäßen Art eine verbesserte Ausführungsform anzugeben, die sich insbesondere durch eine vereinfachte Herstellung auszeichnet.The present invention therefore deals with the problem of providing a camshaft of the generic type an improved embodiment, which is characterized in particular by a simplified production.

Dieses Problem wird erfindungsgemäß durch die Gegenstände der unabhängigen Ansprüche gelöst. Vorteilhafte Ausführungsformen sind Gegenstand der abhängigen Ansprüche.This problem is solved according to the invention by the subject matters of the independent claims. Advantageous embodiments are the subject of the dependent claims.

Die vorliegende Erfindung beruht auf dem allgemeinen Gedanken, eine Funktionseinrichtung an einer Nockenwelle mit zumindest zwei unterschiedlichen Funktionselementen auszustatten, die jeweils unterschiedliche Funktionen erfüllen können. Die in der Funktionseinrichtung zusammengefassten Funktionselemente sind dabei über eine Wellen-Nabe Verbindung, konkret über einen thermischen Fügesitz mit der Nockenwelle verbunden. Die prinzipielle Idee besteht somit darin, möglichst viele - zumindest aber zwei - Funktionselemente in einer gemeinsamen Funktionseinrichtung zusammenzufassen bzw. zu integrieren und lediglich noch diese gemeinsame Baugruppe, das heißt die Funktionseinrichtung mit der Nockenwelle bzw. einem Nockenwellenrohr fügen zu müssen. Dies bietet erhebliche Vorteile, beispielsweise im Bereich des Gewichts, da eine aus mehreren Funktionselementen zusammengesetzte Funktionseinrichtung deutlich leichter baut als jeweils separat montierte Funktionselemente. Die erfindungsgemäße Funktionseinrichtung ermöglicht darüber hinaus eine höhere Drehmomentübertragung als mit einem, einen geringeren Innendurchmesser aufweisenden Stopfen realisiert werden kann. Zugleich vereinfacht sich auch die Montage erheblich, da nun nicht mehr sämtliche Funktionselemente separat, das heißt einzeln, mit der Nockenwelle gefügt werden müssen, sondern lediglich die Funktionseinrichtung, in welcher die einzelnen Funktionselemente bereits bezüglich eines Drehwinkels richtig zueinander ausgerichtet sind. Dies ist insbesondere dann von großem Vorteil, sofern eine Nockenwelle innerhalb einer Zylinderkopfhaube zusammengebaut wird, da dort bekanntermaßen nur sehr wenig Arbeitsraum zur Verfügung steht. Ein weiterer Vorteil kann in einer optimierten Gewichtsverteilung gesehen werden, beispielsweise durch zu einem Antriebsriemenrad entgegengesetzten Massen, so dass die Funktionseinrichtung zugleich als Unwuchtausgleich herangezogen werden kann.The present invention is based on the general idea of equipping a functional device on a camshaft with at least two different functional elements, each of which can fulfill different functions. The combined in the functional device functional elements are connected via a shaft-hub connection, specifically via a thermal joint seat with the camshaft. The basic idea is therefore to summarize or integrate as many - at least two - functional elements in a common functional device and only have to add this common assembly, that is, the functional device with the camshaft or a camshaft tube. This offers considerable advantages, for example in the area of weight, since a functional device composed of several functional elements is significantly lighter in construction than separately mounted functional elements. The functional device according to the invention also allows a higher torque transmission than with a, a smaller inner diameter having plug can be realized. At the same time simplifies itself Also, the mounting considerably, since now not all functional elements separately, that is individually, must be joined with the camshaft, but only the functional device in which the individual functional elements are already aligned with respect to a rotational angle to each other properly. This is particularly of great advantage if a camshaft is assembled within a cylinder head cover, since there is known to be only very little working space available. Another advantage can be seen in an optimized weight distribution, for example by opposite to a drive pulley masses, so that the functional device can also be used as an unbalance compensation.

Zweckmäßig ist zumindest ein Funktionselement ein Zahnrad, insbesondere ein Koppelzahnrad, ein Nocken, eine Pumpenbetätigungseinrichtung, beispielsweise in der Art eines Nockens, ein Geberrad, eine Riemenscheibe, eine Kupplung, insbesondere eine Oldham-Kupplung, oder ein Kettenrad. Bereits diese nicht abschließende Aufzählung lässt erahnen wie flexible die jeweilige Funktionseinrichtung durch Zusammenfügen einzelner Funktionselemente gestaltet werden kann.Suitably, at least one functional element is a toothed wheel, in particular a coupling gear, a cam, a pump actuating device, for example in the form of a cam, a donor wheel, a pulley, a clutch, in particular an Oldham clutch, or a sprocket. Even this non-exhaustive enumeration gives an idea of how flexible the respective functional device can be designed by combining individual functional elements.

Erfindungsgemäß ist die Funktionseinrichtung als einstückiges Sinterbauteil ausgebildet. In diesem Fall sind somit die einzelnen Funktionselemente der Funktionseinrichtung einstückig miteinander verbunden, so dass die Funktionseinrichtung komplett einstückig ausgebildet werden kann. Dies ermöglicht insbesondere eine rationelle Fertigung der Funktionseinrichtung, da ein ausgerichtetes miteinander Fügen der einzelnen Funktionselemente zur Funktionseinrichtung entfallen kann.According to the invention, the functional device is designed as a one-piece sintered component. In this case, therefore, the individual functional elements of the functional device are integrally connected to each other, so that the functional device can be formed completely in one piece. This allows, in particular, a rational production of the functional device, since an aligned joining of the individual functional elements to the functional device can be dispensed with.

Ist eines der Funktionselemente als Oldham-Kupplung ausgebildet, so kann über diese beispielsweise eine Pumpe außen am Zylinderkopf angekuppelt werden. Eine derartige Oldham-Kupplung ermöglicht eine Kupplung, bei welcher das Drehmoment zwischen zwei parallelen Wellen übertragen wird. Sie besteht üblicherweise aus drei Scheiben, wobei die äußeren beiden an den jeweiligen Wellen bzw. an der Pumpe und am Funktionselement befestigt sind und die mittlere in zwei, orthogonal zueinander stehenden Nut-Feder-Verbindungen zu den beiden anderen Scheiben gelagert ist. Eine derartige Oldham-Kupplung ermöglicht insbesondere eine Kompensation von geringen parallelen Versätzen zwischen der Nockenwelle und einer Achse der Pumpe, wodurch zumindest geringe Fertigungsungenauigkeiten problemlos auszugleichen sind, so dass die gesamte Konstruktion insgesamt größere Fertigungstoleranzen erlaubt.If one of the functional elements is designed as an Oldham coupling, then it can be coupled externally to the cylinder head via this, for example, a pump. Such Oldham coupling allows a clutch in which the torque is transmitted between two parallel shafts. It usually consists of three discs, the outer two are fixed to the respective shafts or on the pump and the functional element and the middle is mounted in two mutually orthogonal tongue and groove connections to the other two discs. Such Oldham coupling in particular allows compensation of small parallel offsets between the camshaft and an axis of the pump, whereby at least small manufacturing inaccuracies are easily compensate, so that the entire construction allows greater overall manufacturing tolerances.

Weitere wichtige Merkmale und Vorteile der Erfindung ergeben sich aus den Unteransprüchen, aus den Zeichnungen und aus der zugehörigen Figurenbeschreibung anhand der Zeichnungen.Other important features and advantages of the invention will become apparent from the dependent claims, from the drawings and from the associated figure description with reference to the drawings.

Es versteht sich, dass die vorstehend genannten und die nachstehend noch zu erläuternden Merkmale nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen oder in Alleinstellung verwendbar sind, ohne den Rahmen der vorliegenden Erfindung zu verlassen.It is understood that the features mentioned above and those yet to be explained below can be used not only in the particular combination given, but also in other combinations or in isolation, without departing from the scope of the present invention.

Bevorzugte Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und werden in der nachfolgenden Beschreibung näher erläutert, wobei sich gleiche Bezugszeichen auf gleiche oder ähnliche oder funktional gleiche Komponenten beziehen.Preferred embodiments of the invention are illustrated in the drawings and will be described in more detail in the following description, wherein like reference numerals refer to the same or similar or functionally identical components.

Dabei zeigen, jeweils schematisch

Fig. 1
eine Schnittdarstellung durch eine Nockenwelle mit einer erfindungsgemäßen Funktionseinrichtung in einer Brennkraftmaschine,
Fig. 2
eine teilweise geschnittene Ansicht auf eine erfindungsgemäße Brennkraftmaschine im Bereich zweier Nockenwellen mit der erfindungsgemäßen Funktionseinrichtung,
Fig. 3
eine Darstellung wie in Fig. 2, jedoch mit Lagerbrücken,
Fig. 4
unterschiedliche Ansichten auf sowie eine Schnittdarstellung durch eine Ausführungsform einer erfindungsgemäßen Funktionseinrichtung,
Fig. 5-7
jeweils Funktionseinrichtungen mit unterschiedlichen Funktionselementen.
Show, each schematically
Fig. 1
a sectional view through a camshaft with a functional device according to the invention in an internal combustion engine,
Fig. 2
a partially sectioned view of an internal combustion engine according to the invention in the region of two camshafts with the functional device according to the invention,
Fig. 3
a representation like in Fig. 2 , but with bearing bridges,
Fig. 4
different views and a sectional view through an embodiment of a functional device according to the invention,
Fig. 5-7
each functional devices with different functional elements.

Entsprechend den Figuren 1-3 weist eine erfindungsgemäße Nockenwelle 1 einer Brennkraftmaschine 2 zumindest eine über eine Welle-Naben-Verbindung, insbesondere über eine Pressverbindung, mit der Nockenwelle 1 verbundene Funktionseinrichtung 3 auf, die aus zumindest zwei unterschiedlichen Funktionselementen 4 zusammengesetzt ist. Die einzelnen Funktionselemente 4 erfüllen dabei unterschiedliche Funktionen und sind lediglich zur Vereinfachung der Montage in der gemeinsamen Funktionseinrichtung 3 zusammengefasst. Zumindest ein Funktionselement 4 kann dabei beispielsweise als Zahnrad 5, insbesondere als Koppelzahnrad, als Nocken, als eine Pumpenbetätigungseinrichtung, als ein Geberrad 6, als eine Riemenscheibe, eine Kupplung 7, insbesondere als Oldham-Kupplung, oder als Kettenrad 5' ausgebildet sein. Die gemäß der Figur 1 dargestellte Funktionseinrichtung 3 besitzt somit drei Funktionselemente 4, nämlich die Kupplung 7, das Kettenrad 5' bzw. Zahnrad 5 sowie das Geberrad 6. Durch die Zusammenfassung mehrerer Funktionselemente 4 in einer gemeinsamen Funktionseinrichtung 3 wird die Herstellung der Nockenwelle 1 deutlich vereinfacht, da nun nicht mehr sämtliche Funktionselemente 4 separat mit der Nockenwelle 1 gefügt werden müssen, sondern lediglich eine gemeinsame Funktionseinrichtung 3, wodurch der Fügeprozess deutlich gestrafft werden kann. Auch ist die Funktionseinrichtung 3 mit mehreren Funktionselementen 4 leichter als die jeweils separaten Funktionselemente 4, wodurch eine Gewichtseinsparung erzielt werden kann, was sich wiederum positiv auf den Kraftstoffverbrauch auswirkt.According to the Figures 1-3 For example, an inventive camshaft 1 of an internal combustion engine 2 has at least one functional device 3 connected to the camshaft 1 via a shaft-hub connection, in particular via a press connection, which is composed of at least two different functional elements 4. The individual functional elements 4 fulfill different functions and are only summarized to simplify the assembly in the common functional device 3. At least one functional element 4 can be designed, for example, as a toothed wheel 5, in particular as a coupling toothed wheel, as a cam, as a pump actuation device, as a donor wheel 6, as a pulley, a clutch 7, in particular as an Oldham clutch, or as a sprocket 5 '. The according to the FIG. 1 shown functional device 3 thus has three functional elements 4, namely the clutch 7, the sprocket 5 'and gear 5 and the encoder wheel 6. By combining several functional elements 4 in a common functional device 3, the production of the camshaft 1 is significantly simplified, not now more all functional elements 4 must be added separately with the camshaft 1, but only a common functional device 3, whereby the joining process can be significantly streamlined. Also, the functional device 3 with a plurality of functional elements 4 is lighter than the respective separate functional elements 4, whereby a weight saving can be achieved, which in turn has a positive effect on fuel consumption.

Im Vergleich zu einem Stopfen ermöglicht die erfindungsgemäße Funktionseinrichtung 3 zudem eine höhere Drehmomentübertragung, da über den Querpresssitz, beispielsweise hergestellt mittels thermischem Fügen, oder einem Längspresssitz, eine größere kraftübertragende Kontaktfläche geschaffen werden kann.Compared to a plug, the functional device 3 according to the invention also allows a higher torque transmission, as over the transverse press fit, for example produced by means of thermal joining, or a longitudinal press fit, a larger force-transmitting contact surface can be created.

Die kombinierte Anordnung mehrerer Funktionselemente 4 in einer gemeinsamen Funktionseinrichtung 3 bietet darüber hinaus insbesondere bei der Montage der Funktionseinrichtung 3 in einer Haube bzw. einem Zylinderkopf 8 große Vorteile, da dort üblicherweise äußerst beengte Platzverhältnisse anzutreffen sind.The combined arrangement of a plurality of functional elements 4 in a common functional device 3 also offers great advantages in particular in the assembly of the functional device 3 in a hood or a cylinder head 8, since there usually extremely cramped space conditions are encountered.

Gemäß der Figur 2 ist eine Ansicht von oben auf den Zylinderkopf 8 der Brennkraftmaschine 2 gezeigt mit zwei Nockenwellen 1, wobei an der unteren Nockenwelle 1 die erfindungsgemäße Funktionseinrichtung 3 angeordnet ist. Diese fasst wiederum drei Funktionselemente 4 zusammen, nämlich die Kupplung 7, ein Zahnrad 5, in der Art eines Koppelzahnrades zum Koppeln mit der zweiten Nockenwelle 1, sowie das Geberrad 6. Eine Lagerung der Nockenwellen 1 am Zylinderkopf 8 erfolgt dabei mittels eines Lagerrahmens 9, der über Schrauben 10 mit dem Zylinderkopf 8, das heißt einem Motorblock, verbunden wird. Über die Kupplung 7, die insbesondere in der Art einer Oldham-Kupplung ausgebildet ist, kann beispielsweise eine Pumpe 11 drehübertragend mit der Nockenwelle 1 gekoppelt werden. Die Oldham-Kupplung ermöglicht dabei eine zumindest geringe Parallelität der Achsen der Nockenwellen 1 und der Achse der Pumpe, wodurch die Fertigungsgenauigkeit nicht so hoch sein muss, wie ohne eine derartige Oldham-Kupplung.According to the FIG. 2 is a view from above of the cylinder head 8 of the internal combustion engine 2 shown with two camshafts 1, wherein on the lower camshaft 1, the functional device 3 according to the invention is arranged. This in turn summarizes three functional elements 4, namely the clutch 7, a gear 5, in the manner of a coupling gear for coupling with the second camshaft 1, and the encoder wheel 6. A storage of the camshaft 1 on the cylinder head 8 takes place by means of a bearing frame 9, which is connected by screws 10 with the cylinder head 8, that is an engine block. About the clutch 7, which is formed in particular in the manner of Oldham coupling, for example, a pump 11 can be coupled to transmit rotation with the camshaft 1. The Oldham coupling thereby allows at least a small parallelism of the axes of the camshaft 1 and the axis of the pump, whereby the manufacturing accuracy does not have to be as high as without such Oldham coupling.

Betrachtet man die Figur 1, so kann man erkennen, dass die Funktionseinrichtung 3 einstückig, insbesondere als einstückiges Sinterbauteil, ausgebildet ist, so dass eine separate und vorherige Montage der einzelnen Funktionselemente 4 zur gemeinsamen Funktionseinrichtung 3 entfallen kann. Selbstverständlich können alternativ die einzelnen Funktionselemente 4 der Funktionseinrichtung 3 auch separat gefertigt und anschließend zur gemeinsamen Funktionseinrichtung 3 fest miteinander verbunden, insbesondere miteinander verschweißt, verlötet, verschraubt oder verklebt werden. In den Darstellungen gemäß der Figur 4 ist beispielsweise eine Funktionseinrichtung 3 gezeigt, die zwei Funktionselemente 4, nämlich das Zahnrad 5 und die Kupplung 7 einstückig integriert. Auf der der Kupplung 7 abgewandten Stirnseite der Funktionseinrichtung 3 könnte nun zusätzlich ein weiteres Funktionselement 4, beispielsweise ein Geberrad 6, angebaut bzw. angeschweißt werden.Looking at the FIG. 1 , it can be seen that the functional device 3 is integrally formed, in particular as a one-piece sintered component, so that a separate and previous assembly of the individual functional elements 4 to the common functional device 3 can be omitted. Of course, alternatively, the individual functional elements 4 of the functional device 3 can also be manufactured separately and then connected to the common functional device 3 firmly together, in particular welded together, soldered, screwed or glued. In the representations according to the FIG. 4 For example, a functional device 3 is shown, the two functional elements 4, namely the gear 5 and the clutch 7 integrally integrated. On the side facing away from the coupling 7 of the functional device 3, a further functional element 4, for example a transmitter wheel 6, could now additionally be attached or welded.

Um einen Zusammenbau einer mehrteiligen Funktionseinrichtung 3 zu erleichtern, können an den einzelnen Funktionselementen 4 Positionierhilfen 12 vorgesehen sein, die eine Fixierung der einzelnen Funktionselemente 4 aneinander ausschließlich in einer vordefinierten Winkelstellung erlauben. Gemäß der untersten Darstellung in Figur 4 und der Figur 6 ist dabei die Positionierhilfe 12 als Zweiflach ausgebildet, wobei beispielsweise das Geberrad 6 eine dazu komplementäre Ausnehmung aufweist, um so ein winkelausgerichtetes Fixieren zu ermöglichen. Generell kann dabei die Positionierhilfe 12 auch als Einflach oder als Mehrflach, insbesondere auch als Dreiflach, ausgebildet sein. Generell sind selbstverständlich auch sämtliche anderen unrunden Formen zur winkelexakten Fixierung der einzelnen Funktionselemente 4 aneinander denkbar.In order to facilitate an assembly of a multipart functional device 3, positioning aids 12 can be provided on the individual functional elements 4, which allow a fixation of the individual functional elements 4 to one another exclusively in a predefined angular position. According to the lowest illustration in FIG. 4 and the FIG. 6 In this case, the positioning aid 12 is designed as a two-plane, wherein, for example, the encoder wheel 6 has a complementary recess, so as to allow an angle-aligned fixing. In general, the positioning aid 12 can also be designed as a flat or as a multi-flat, in particular as a triple flat. In general, of course, all other non-round shapes for angularly accurate fixation of the individual functional elements 4 to each other are conceivable.

Mit der erfindungsgemäßen Funktionseinrichtung 3 lassen sich somit mehrere Funktionen in Form von unterschiedlichen Funktionselementen 4 vereinen und in der Art einer gemeinsamen Funktionseinrichtung 3 in einem einzigen Arbeitsschritt auf der Nockenwelle 1 fixieren. Hierdurch kann nicht nur der Montagevorgang deutlich gestrafft werden, sondern zugleich auch eine kostengünstige Herstellung erreicht werden. Durch das Zusammenfassen einzelner Funktionselemente 4 zur gemeinsamen Funktionseinrichtung 3 ergibt sich darüber hinaus der große Vorteil, dass im Vergleich zu einem Stopfen höhere Drehmomente übertragen werden können und insbesondere eine Montage der Funktionseinrichtung 3 auch bei vergleichsweise geringem Arbeitsraum möglich ist. Vor allem bietet dies die Möglichkeit, die erfindungsgemäße Funktionseinrichtung 3 mit den einzelnen Funktionselementen 4 in einer Haube zu halten und anschließend das Nockenwellenrohr durch die Funktionselemente 4 und die einzelnen Lagerstellen beispielsweise des Lagerrahmens 9, hindurch zu schieben. Durch die Integration mehrerer Funktionselemente 4 in eine gemeinsame Funktionseinrichtung 3 ist dabei lediglich noch das Fixieren einer Funktionseinrichtung 3 erforderlich, was deutlich einfacher ist, als das bisher erforderliche Fixieren der einzelnen Funktionselemente 4. Mit der erfindungsgemäßen Funktionseinrichtung 3 lässt sich darüber hinaus eine Gewichtsersparnis erreichen, da die einzelnen Funktionselemente 4 gewichtsreduziert ausgebildet werden können. Auch kann durch eine spezielle Anordnung der einzelnen Funktionselemente 4 ein Unwuchtausgleich insbesondere beispielsweise zu einem Riemenrad 13 (vgl. Figuren 2 und 3) erreicht werden.With the functional device 3 according to the invention thus several functions in the form of different functional elements 4 can be combined and fixed in the manner of a common functional device 3 in a single step on the camshaft 1. As a result, not only the assembly process can be significantly streamlined, but also a cost-effective production can be achieved. By combining individual functional elements 4 to the common functional device 3, there is also the great advantage that higher torques can be transmitted in comparison to a stopper and, in particular, an assembly of the functional device 3 is possible even with a comparatively small working space. Above all, this offers the possibility to keep the functional device 3 according to the invention with the individual functional elements 4 in a hood and then the Camshaft tube through the functional elements 4 and the individual bearing points, for example, the bearing frame 9 to push through. By integrating a plurality of functional elements 4 in a common functional device 3, only the fixing of a functional device 3 is required, which is significantly simpler than the previously required fixing of the individual functional elements 4. The functional device 3 according to the invention can also achieve weight savings. because the individual functional elements 4 can be designed to reduce weight. Also, by a special arrangement of the individual functional elements 4, an imbalance compensation in particular, for example, to a pulley 13 (see. FIGS. 2 and 3 ) can be achieved.

Claims (3)

  1. Cylinder head hood or bearing frame (9) of an internal combustion engine (2) having a camshaft (1) supported therein having at least one functional device (3) connected therewith via a shaft-to-collar connection, wherein
    - the functional device (3) has at least two different functional elements (4) which fulfil different functions, and wherein
    - the functional device (3) is joined via a thermal joint seat with the camshaft (1), and wherein
    - the functional device (3) is in the form of an integral sintered component.
  2. Cylinder head hood or bearing frame according to claim 1,
    characterised in
    that at least one functional element (4) is a gear wheel (5), in particular a coupling gear wheel, a cam, a pump actuating device, a transmitter wheel (6), a pulley (13), a coupling (7), in particular an Oldham coupling, or a chain wheel (5').
  3. Internal combustion engine (2) having a cylinder head hood or a bearing frame (9) according to claim 1 or 2.
EP13193546.2A 2012-12-19 2013-11-19 Cam shaft Active EP2746545B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012223811.5A DE102012223811A1 (en) 2012-12-19 2012-12-19 camshaft

Publications (2)

Publication Number Publication Date
EP2746545A1 EP2746545A1 (en) 2014-06-25
EP2746545B1 true EP2746545B1 (en) 2019-08-14

Family

ID=49626829

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13193546.2A Active EP2746545B1 (en) 2012-12-19 2013-11-19 Cam shaft

Country Status (5)

Country Link
US (1) US20140165935A1 (en)
EP (1) EP2746545B1 (en)
JP (1) JP2014122627A (en)
CN (1) CN103967548A (en)
DE (1) DE102012223811A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011120815A1 (en) * 2011-12-10 2013-06-13 Volkswagen Aktiengesellschaft Adjustable camshaft drive
DE102012223811A1 (en) 2012-12-19 2014-06-26 Mahle International Gmbh camshaft
DE102015113520A1 (en) * 2015-08-17 2017-02-23 Thyssenkrupp Presta Teccenter Ag module assembly
DE102016217024A1 (en) * 2016-09-07 2018-03-08 Mahle International Gmbh Manufacturing process of a camshaft
US20190154129A1 (en) * 2017-11-21 2019-05-23 Medela Holding Ag Integrated cam shaft assembly
DE102021208281A1 (en) 2021-07-30 2023-02-02 Mahle International Gmbh Combined plug sensor wheel for a camshaft

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3301749A1 (en) 1983-01-20 1984-08-09 Mahle Gmbh, 7000 Stuttgart Camshaft for internal-combustion engines
DE3641129C1 (en) 1986-12-02 1987-07-30 Daimler Benz Ag Device for mounting two camshafts in the cylinder head of a multi-cylinder in-line internal combustion engine
WO2002096596A1 (en) 2001-05-29 2002-12-05 Reiner Dorner Method for fixing propulsion parts on shafts in a rotationally fixed manner
DE10331089A1 (en) 2003-07-09 2005-02-24 Volkswagen Ag Cylinder head cover for IC engines with one camshaft has bearing bridge with aperture to completely enclose the camshaft
DE102004049272A1 (en) 2004-10-09 2006-04-13 Daimlerchrysler Ag Robotic heat treatment and assembly process to manufacture automotive camshaft
DE102007049072A1 (en) 2007-10-12 2009-04-16 Schaeffler Kg Phase adjuster for an internal combustion engine with an Oldham clutch
DE102007056638A1 (en) 2007-11-24 2009-05-28 Usk Karl Utz Sondermaschinen Gmbh Method and device for assembling a composite, in particular a camshaft and a housing
DE102007063254A1 (en) 2007-12-31 2009-07-02 Mahle International Gmbh Cylinder head cover
DE102010008003A1 (en) 2010-02-15 2011-08-18 Schaeffler Technologies GmbH & Co. KG, 91074 feeder
EP2372119A1 (en) 2010-03-31 2011-10-05 Schwäbische Hüttenwerke Automotive GmbH Combined chain wheel stator unit
DE102010024721A1 (en) 2010-06-23 2012-03-29 Mahle International Gmbh Cam and associated camshaft
DE102011001499B3 (en) 2011-03-23 2012-08-30 Usk Karl Utz Sondermaschinen Gmbh Method for producing contraction connection between components, involves producing contraction connection between components, when auxiliary component is heated after adding components
EP2746545A1 (en) 2012-12-19 2014-06-25 MAHLE International GmbH Cam shaft

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS612970A (en) * 1984-06-18 1986-01-08 Ngk Insulators Ltd Engine camshaft
EP0486876B2 (en) * 1990-11-19 1998-12-30 NIPPON PISTON RING CO., Ltd. Machine element with at least a fitting member pressure-fitted on a shaft
US5293847A (en) * 1993-02-16 1994-03-15 Hoffman Ronald J Powdered metal camshaft assembly
DE20221858U1 (en) * 2002-12-21 2008-09-04 Schaeffler Kg Internal combustion engine with a device for hydraulic rotation angle adjustment of its camshaft with respect to its crankshaft and with a vacuum pump for a servo consumer, in particular for a brake booster
US7387097B2 (en) * 2004-10-08 2008-06-17 Ina-Schaeffler Jg INA-schaeffler KG, industriestrasse 1-3, 91074 herzogenaurach ANR 12 88 48 20
JP4161277B2 (en) * 2005-03-11 2008-10-08 アイシン精機株式会社 Valve timing control device
DE202005005585U1 (en) * 2005-04-07 2005-06-16 Thyssenkrupp Automotive Ag Cam for internal combustion engine, has additional functional part with functional surface for additional cam function, and made of material for withstanding strain
US7234428B2 (en) * 2005-07-28 2007-06-26 Briggs And Stratton Corporation Cam shaft assembly for an engine
DE102007018920B3 (en) * 2007-04-19 2008-08-28 Thyssenkrupp Presta Ag Drive shaft i.e. camshaft, has engagement sections with outer surfaces that are formed with material projections or wall, where wall limits inner openings of hollow shafts and includes material projections in end section
CN201050589Y (en) * 2007-06-22 2008-04-23 中国第一汽车集团公司无锡柴油机厂 Camshaft drive tooth gear with signal disc
DE102008017688A1 (en) * 2008-04-08 2009-10-15 Schaeffler Kg Device for the variable adjustment of the timing of gas exchange valves of an internal combustion engine
EP2194240A1 (en) * 2008-12-05 2010-06-09 Perkins Engines Company Limited Camshaft speed sensor target
CN201444043U (en) * 2009-05-15 2010-04-28 东风朝阳柴油机有限责任公司 Measuring device of camshaft phase signals
DE102009042227A1 (en) * 2009-09-18 2011-03-31 Schaeffler Technologies Gmbh & Co. Kg Device for changing the relative angular position of a camshaft relative to a crankshaft of an internal combustion engine
CN201568090U (en) * 2009-10-21 2010-09-01 浙江吉利汽车有限公司 Engine camshaft with rear-mounted driving gear
DE102009059712A1 (en) * 2009-12-18 2011-09-22 Thyssenkrupp Presta Teccenter Ag Cam unit for a built camshaft
US8272359B2 (en) * 2010-03-10 2012-09-25 GM Global Technology Operations LLC Camshaft including weight reducing features and method of forming

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3301749A1 (en) 1983-01-20 1984-08-09 Mahle Gmbh, 7000 Stuttgart Camshaft for internal-combustion engines
DE3641129C1 (en) 1986-12-02 1987-07-30 Daimler Benz Ag Device for mounting two camshafts in the cylinder head of a multi-cylinder in-line internal combustion engine
WO2002096596A1 (en) 2001-05-29 2002-12-05 Reiner Dorner Method for fixing propulsion parts on shafts in a rotationally fixed manner
DE10331089A1 (en) 2003-07-09 2005-02-24 Volkswagen Ag Cylinder head cover for IC engines with one camshaft has bearing bridge with aperture to completely enclose the camshaft
DE102004049272A1 (en) 2004-10-09 2006-04-13 Daimlerchrysler Ag Robotic heat treatment and assembly process to manufacture automotive camshaft
DE102007049072A1 (en) 2007-10-12 2009-04-16 Schaeffler Kg Phase adjuster for an internal combustion engine with an Oldham clutch
DE102007056638A1 (en) 2007-11-24 2009-05-28 Usk Karl Utz Sondermaschinen Gmbh Method and device for assembling a composite, in particular a camshaft and a housing
DE102007063254A1 (en) 2007-12-31 2009-07-02 Mahle International Gmbh Cylinder head cover
DE102010008003A1 (en) 2010-02-15 2011-08-18 Schaeffler Technologies GmbH & Co. KG, 91074 feeder
EP2372119A1 (en) 2010-03-31 2011-10-05 Schwäbische Hüttenwerke Automotive GmbH Combined chain wheel stator unit
DE102010024721A1 (en) 2010-06-23 2012-03-29 Mahle International Gmbh Cam and associated camshaft
DE102011001499B3 (en) 2011-03-23 2012-08-30 Usk Karl Utz Sondermaschinen Gmbh Method for producing contraction connection between components, involves producing contraction connection between components, when auxiliary component is heated after adding components
EP2746545A1 (en) 2012-12-19 2014-06-25 MAHLE International GmbH Cam shaft

Also Published As

Publication number Publication date
DE102012223811A1 (en) 2014-06-26
EP2746545A1 (en) 2014-06-25
US20140165935A1 (en) 2014-06-19
CN103967548A (en) 2014-08-06
JP2014122627A (en) 2014-07-03

Similar Documents

Publication Publication Date Title
EP2746545B1 (en) Cam shaft
EP2344785B1 (en) Divided wheel
EP3126642B1 (en) Camshaft
EP2469048B1 (en) Camshaft adjuster
DE102015200139B4 (en) Camshaft adjuster connection to a double camshaft
EP2299071B1 (en) Device for changing the phase of a camshaft relative to a crankshaft of a combustion engine
WO2006024371A1 (en) Camshaft adjuster
EP1913288B1 (en) Drive train for vehicles
DE102006030917B4 (en) Oil pump and vacuum pump module
DE102006029554A1 (en) Forces and/or torques compensating device for e.g. piston engine, has displacer unit for supplying oil to internal combustion engine, where displacer unit, compensating shafts and transmission gears are arranged in common housing
WO2015113705A1 (en) Drive system of a high-pressure fuel pump, high-pressure fuel pump assembly and internal combustion engine
DE102014213937A1 (en) camshaft
EP2569525B1 (en) Auxiliary drive
EP3483478B1 (en) Gear wheel drive
EP1989465B1 (en) Device for compensating forces and/or torques for internal combustion engines
DE102012203114A1 (en) Insert for camshaft adjuster with central locking
DE102009042227A1 (en) Device for changing the relative angular position of a camshaft relative to a crankshaft of an internal combustion engine
DE102009043504A1 (en) Stroke piston mechanism for use in e.g. petrol engine, has crank shafts that do not protrude radially over maximum outer diameter of tappets, where maximum outer diameter of eccentric tappets is smaller than movement curve
WO2012139779A1 (en) Shaft connection
DE102013204659A1 (en) Phaser
DE4417959C2 (en) Device for changing the timing of an internal combustion engine
DE102004041769A1 (en) Camshaft adjusting device for adjusting the relative angle of a camshaft to a crankshaft of an I.C. engine transfers the driving torque via a coupling star of a first coupling half
DE102016201118A1 (en) Anti-rotation compensation device on a camshaft drive with camshaft-parallel spring
AT503752B1 (en) Internal combustion engine
DE102005029083B4 (en) Oil collection housing for an internal combustion engine

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20131119

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

R17P Request for examination filed (corrected)

Effective date: 20141126

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20171108

GRAJ Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20190429

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

Ref country code: AT

Ref legal event code: REF

Ref document number: 1167287

Country of ref document: AT

Kind code of ref document: T

Effective date: 20190815

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502013013362

Country of ref document: DE

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20190814

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191216

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191114

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191114

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191115

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191214

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

REG Reference to a national code

Ref country code: DE

Ref legal event code: R026

Ref document number: 502013013362

Country of ref document: DE

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200224

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

26 Opposition filed

Opponent name: THYSSENKRUPP PRESTA TECCENTER AG

Effective date: 20200513

PLAX Notice of opposition and request to file observation + time limit sent

Free format text: ORIGINAL CODE: EPIDOSNOBS2

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG2D Information on lapse in contracting state deleted

Ref country code: IS

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191130

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191130

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191119

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20191130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20191119

PLBB Reply of patent proprietor to notice(s) of opposition received

Free format text: ORIGINAL CODE: EPIDOSNOBS3

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191130

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191119

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191119

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191130

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 1167287

Country of ref document: AT

Kind code of ref document: T

Effective date: 20191119

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191119

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20131119

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

PLCK Communication despatched that opposition was rejected

Free format text: ORIGINAL CODE: EPIDOSNREJ1

APBM Appeal reference recorded

Free format text: ORIGINAL CODE: EPIDOSNREFNO

APBP Date of receipt of notice of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA2O

APAH Appeal reference modified

Free format text: ORIGINAL CODE: EPIDOSCREFNO

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

APBQ Date of receipt of statement of grounds of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA3O

PLAB Opposition data, opponent's data or that of the opponent's representative modified

Free format text: ORIGINAL CODE: 0009299OPPO

R26 Opposition filed (corrected)

Opponent name: THYSSENKRUPP DYNAMIC COMPONENTS TECCENTER AG

Effective date: 20200513

PLAB Opposition data, opponent's data or that of the opponent's representative modified

Free format text: ORIGINAL CODE: 0009299OPPO

R26 Opposition filed (corrected)

Opponent name: THYSSENKRUPP DYNAMIC COMPONENTS TECCENTER AG

Effective date: 20200513

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20231121

Year of fee payment: 11